Bank Po Interview Questions and Answers by efs21214

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									STUDY GUIDE


                                                     If you have any questions regarding your
                                                     application or this examination, you may
                                                     contact the Department of Public Health.

           Acknowledgement                                        Margaret Blood, REHS
                                                         California Department of Public Health
The Registered Environmental Health Specialist                       REHS Program
(REHS) program staff would like to thank the                            MS 7404
Environmental Health Specialist Training                             PO Box 997377
Coordinators for their assistance with this study             Sacramento, CA 95899-7377
guide. The Training Coordinators work in the             (916) 552-9991 / FAX (916) 449-5665
local environmental health departments                      Email:
throughout California and ensure that their                  1616 Capitol Avenue, 2nd Floor
trainees have met the statutory training and                     Sacramento, CA 95814
                                                                         WEB SITE:
experience requirements to take the REHS    
examination. Their suggestions, ideas, and
support have made this document possible.

                                                       Ten Essential Environmental
This study guide has been designed to help you               Health Services
prepare for the Registered Environmental Health
Specialist written examination. Please note that    In addition to technical competence, successful
the words exam and examination are considered       environmental health practitioners need to be
the same throughout the guide as are the words      aware of the Essential Services of Environmental
questions and items.                                Health. The 2002 Institute of Medicine report,
                                                    The Future of the Public’s Health in the 21st
The detailed nature of this document illustrates    Century, reaffirmed the importance of local and
the complexity of the environmental health field    state health agencies using the Ten Essential
of practice. This study guide is based on the       Environmental Health Services to strengthen
2005 Job Analysis performed by the REHS             their capacity to productively identify and
Program, that identified the important job duties   manage environmental problems. Although not
and the knowledge and skills required for an        suitable to test in a multiple-choice exam
entry-level REHS to perform the job duties in a     format, the ten essential services are
minimally competent manner.                         fundamental principles in an effective
                                                    environmental health program and an REHS
Your formal study, training, and experience in      should be familiar with them.
environmental health should have provided you
with the knowledge and skills you need to pass      Essential Environmental Health Services:
the examination. However, we suggest that you
also study the information given here about the         1. Monitor environmental health status to
examination process and content.                           identify and solve community
                                                           environmental health problems.
This guide includes the following sections:             2. Diagnose and investigate
                                                           environmental health problems and
•   Ten Essential Environmental Health Services            health hazards in the community.
•   Passing Score Information                           3. Inform, educate, and empower
                                                           people about environmental health
•   General Test Preparation Information
•   General Strategies for Taking Written Tests         4. Mobilize community partnerships and
•   Examination Content Overview                           actions to identify and solve
•   Detailed Content Categories                            environmental health problems.
•   Sample Test Questions
      5. Develop policies and plans that                    study should focus on content areas listed in
          support individual and community                  this study guide. It is not advisable for
          environmental health efforts.                     candidates to memorize large groups of test
      6. Enforce laws and regulations that                  questions for the REHS examination. A
          protect health and ensure safety.                 large computerized item bank has been
      7. Link people to needed environmental                created to generate different test forms on a
          health services and assure the provision          regular basis.
          of environmental health services.
      8. Assure competent environmental                •    The focus of your study should be on
          health workforce.                                 knowledge and skills relevant to a newly
      9. Evaluate the effectiveness,                        registered Environmental Health Specialist.
          accessibility, and quality of personal and
          population based environmental health        •    Develop your own illustrations and examples
          services.                                         to check on your understanding of a topic.
      10. Research for new insights and                     Make sure you fully understand the basic
          innovative solutions to environmental             terms for each content area. Create your
          health problems.                                  own glossary of terms and look up any new
                                                            words in a reference book.
     Passing Score Information
                                                       •    The test will contain items at various levels
                                                            of cognitive ability. Consequently, it is
    A criterion-referenced approach (e.g.,                  important to be able to understand, apply,
    Modified-Angoff method) is used by licensure            and analyze the material as you would on
    and certification exams for setting the pass            the job. Although all questions will be in a
    point. The Modified-Angoff method is used               multiple-choice format, the items will be
    to set the pass point for the REHS exams; it            presented in a number of forms. For
    involves setting the pass point on the basis            example, a written scenario may be followed
    of minimum standards for competent                      by a series of three or four questions.
    practice (i.e., job requirements) rather than
    relative candidate performance (e.g., grading      •    Some test takers are anxious about taking
    on the curve.). Subject matter experts in the           tests and need to simulate the test taking
    field are consulted throughout the process to           situation. If this is true for you, you may
    ensure a fair and accurate pass point.                  want to give yourself actual practice in a
    Standards are consistently applied to all               quiet, distraction-free environment.
    forms of the exam to ensure a fair pass point
    for all candidate groups. An advantage of
    this approach is that the pass point may be            General Strategies for Taking
    lowered for a hard exam and increased for
    an easy exam.                                                 Written Tests

                                                       The basic format for this test is the multiple-
     General Test Preparation                          choice format with four choices. Here are some
           Information                                 general hints for taking this type of test:

Following is information to help you study for         •    Most importantly, the test is designed to
the written examination for the State of                    have only one answer that is best from
California Environmental Health Specialist                  among the four choices given.
                                                       •    Your attitude about the test process can
Do some work every day in preparation for the               make a difference. Approach the test
examination. Budget your time; set aside a                  confidently. Arrive in plenty of time for the
definite study period for each day. Begin                   test so you do not feel rushed.
concentrating as soon as you sit down to study.
                                                       •    Be certain that you understand how to
•     Study by yourself and with others to                  correctly use the computer scannable
      encourage an exchange of ideas. Your                  answer sheet. Make sure you are careful to
    make clean erasures on your answer sheet            experts and testing specialists will carefully
    and to only mark one correct answer per             review all comments. Try to focus on doing
    test item.                                          well on many items on the test rather than
                                                        getting bogged down on “making your case”
•   Instructions, which will be read to you by a        on just one item that counts as one point.
    proctor, are very important, so be sure to          We use extensive quality control measures
    listen carefully. These may include helpful         to ensure a flawless test, including panel
    clues. Ask questions if there is something          reviews by qualified subject matter experts
    that you do not understand about the                in your field and state-of-the-art
    instructions, but be aware that your proctor        computerized scoring and item analysis
    cannot answer questions about test content          techniques.
                                                     Examination Content Overview
•   Read all directions carefully, twice if
                                                    The examination covers a wide range of
                                                    environmental health topics. Below, the
•   Your score on this test will be based only on
                                                    environmental health knowledge areas are listed
    the number of correct choices you make
                                                    according to their relative emphasis currently
    (the number of times you select the best
                                                    applied in California. The next section provides
    choice from the four given). All test items
                                                    information on the specific knowledge and skills
    are equally weighted even though there are
                                                    covered on the test. The interrelated nature of
    different weights for specific program areas.
                                                    the environmental health knowledge and skills
    You may guess on questions that you are
                                                    means that many questions will relate to more
    not sure of as you go through the test.
                                                    than one topic. The examination contains 260
    Mark them in your booklet for further
                                                    questions. For administration purposes, the 260
    consideration if you have time after you
                                                    questions are split into two booklets—each
    finish the entire test. Remember, this test
                                                    comprised of 130 questions.
    does not penalize you for incorrect answers
    or guessing.
                                                        Highest Emphasis on the Exam (not in
                                                        any order of importance):
•   Read each question carefully, making sure
                                                          • General Math and Science
    that you understand it before you answer.
                                                          • Inspections and Investigations
    Reread it, if necessary, but do not waste
                                                          • Food and Consumer Protection
    time on questions that seem too unfamiliar
                                                          • Drinking Water
    or difficult. Interpret words according to
    their generally accepted meanings.                  Medium Emphasis on the Exam (not in
    Rephrase or underline key words in difficult        any order of importance):
    questions. No question is intended to be a            • Hazardous Materials and Hazardous
    “trick” or “catch” question.                            Waste Management
                                                          • Solid Waste and Medical Waste
•   Answer the easy questions first; postpone               Management
    answering the more difficult questions until          • Wastewater Management
    later, making an initial guess in case you do         • Recreational Waters and Public Pools
    not have enough time to go back to it.                • Disaster Management
    Check your answers if you do have time;               • Vectorborne and Zoonotic Disease
    however, remember that often your first                 Control
    response is correct.
                                                        Lowest Emphasis on the Exam:
•   Watch your time carefully during the test.            • Air Quality and Pollution Control
                                                          • Housing and Institutions
•   If you find a question that you believe may           • Land Use
    be incorrect, you can comment on the
    calculation sheet provided. Include why you
    believe the question may be incorrect. This
    must be done during the allotted time for
    each examination book. Subject matter
                                                      Basic arithmetic
    Detailed Content Categories

A detailed description of each environmental              Subtraction
health program area follows. The specific                 Multiplication
content areas should be interpreted broadly.
When examples are provided in the following               Division
statements, they are not necessarily inclusive of         Calculate percent
all of the things that may be tested.
Additionally, each form of the REHS examination       Epidemiology
samples the knowledge and skills listed below;            General terms and principles of
all of the relevant knowledge and skills are not          epidemiology
assessed on a particular exam.
                                                          o Case studies
                                                          o Etiology
     This section is comprised of 55 questions            o Index case
     covering (1) general math and science                o Fomites
     knowledge and skills and (2) knowledge and
     skills about the inspections and investigation       o Correlation vs. association
                                                          Types of outbreak

     General Math and Science                             o Endemic
     Knowledge of:                                        o Sporadic
          Algebra                                         o Epidemic
               Solve simple algebraic and                 o Pandemic
               quadratic equations
                                                          Disease attack rate
               Convert measurement units
                                                          o Incidence
               Milligrams per liter to ppm
                                                          o Prevalence
          Geometry and trigonometry.
                                                          o Mortality rate
                                                          o Morbidity rate
                                                          Limiting or exacerbating factors
               Interpret graphs, charts, etc
                                                          o Age
          Statistical terms and principles
                                                          o Occupation
                                                          o Health
                                                          o Environmental factors
                                                          o Behavioral risk factors
                                                          o Virulence
                                                          o Immunity/vaccination
                                                                Highly susceptible
               Normal distribution, bell shaped                 population
                                                                     Acquired immunity
               Skewed distribution
                                                          Modes of transmission/ exposure
                                                          o Fecal/oral
               Regressive vs. progressive studies
                                                          o Droplet contamination
               Random sampling
    o Exudates of mucous                    o Benzene rings
                                            o Hydrocarbons
    o Bloodborne
    o Vectorborne
    o Dermal exposure
    o Contaminated food or water
    o Direct contact
                                            o Semi permeable membranes
    o Contaminated fomites
    o Secondary infection
                                            Cell biology
    Patterns of disease
                                            o Major organelles
    o Incubation period
                                            o Eucaryotes
    o Duration of symptoms
                                            o Procaryotes
    o Carrier
                                            Vertebrates vs. Non-vertebrates
    o Asymptomatic
    o Convalescence
                                            o Major systems
    o Period of communicability
    o Intermediate hosts/vectors
General Chemistry
                                                    Immune system
    o Periodic table
    o Atomic weight
                                            Major organs
    o Stoichiometry
    Parts of atoms
    o Electrons
    o Protons
    o Neutrons
                                            Carrying capacity
    Oxidation-reduction reactions
    Molecules vs. atoms vs. elements,
    o Acid, alkaline
    o Logarithmic scale
Organic Chemistry
    Organic vs. inorganic structures
    Free radicals
    Carbon bonds
                                            Mitosis – Meiosis
        Recessive genes, Dominant genes       o Blue-green algae
        Phenotype, Genotype                   o “Red tides”
    Evolution                                 o Paralytic Shellfish Poisoning
        Natural selection
                                              Helminthes, Nematodes, and
        General awareness of microbial
                                              o Anisakinae
        types of disease causing
        organisms of human importance         o Ecinococcus
        Bacteria                              o Taenia
        o Escherichia                         o Ascaris
        o Salmonella                          o Schistosoma
        o Shigella                            o Trichinosis
        o Enterobacter                        o Necator
        o Mycobacterium                       Virus
        o Staphylococcus                      o Hepatitis A and B
        o Streptococcus                       o Acquired Immunodeficiency
                                                Syndrome (AIDS)
        o Clostridium
                                              o Norovirus
        o Vibrio
                                              o Encephalitis
        o Listeria
                                              o Western equine virus
        o Bacillus
                                              o St Louis virus
        o Yersinia
                                              o West Nile virus
        o Campylobacter
                                              o Hantavirus
                                              o Influenza
        o Rickettsia
                                              o Lyssavirus
                                          Laboratory tests to identify
        o Aspergilla
        o Stachybotrys
        o Tinea
        o Coccidioides
                                              Gram stain
        o Plasmodium
                                              Acid fast stain
        o Amoeba
                                              Spore formers
        o Giardia
                                              Cyst formers
        o Toxoplasma
                                              Lactose fermenters
        o Cryptosopridium
                                          Microbial growth and
        o Cyclospora                      multiplication
        o Entamoeba                           Bacterial reproduction
        Algae                                 o Generation time
    o Phases of growth                          o Carcinogenic
          Lag phase                             o Tetrogenic
          Log phase                             o Teratogenic
          Stationary phase                      o Mutagenic
          Die off                               o Poison
Viral reproduction                              Exposure
    Dependent on host cell                      o Acute vs. chronic
    o RNA/DNA                                   o Inhalation
    o Protein coat                              o Ingestion
    o Mutation                                  o Injection
    o Resistance                                o Dermal
    o Phage                                     Effect of Dose
Microbial terms                                 o Lethal Dose (LD 50)
    Obligate aerobes                            o Dose / response
    Obligate anaerobes                          o Time Weighted Average (TWA)
    Facultative anaerobes              Inspections and Investigations
    Psychrophiles                      Knowledge of:
    Mesophiles                             Basic legal terminology
    Thermophiles                                Consent
    Acidophiles                                 Deposition
    Neutrophiles                                Subpoena
    Alkalophiles                                Injunction
    Halophiles                                  Impound
    Halotolerant                                Embargo
    Osmophiles                                  Seizure
    Xerophiles                                  Permits
    Endotoxin                                   Condemnation
    Exotoxin                                    Voluntary Condemnation
                                                and Destruction
                                           Legal methods used to obtain
    Structure of Matter
                                           information during investigations
    Acceleration, Velocity and Force       and inspections
    Newton’s Laws of Physics                    Observation
    Relativity                                  Interviews
    Waves and Particles                         Written communications
    Energy                                      o Review operator’s files
    Atomic Structures                           o Historic office/file review
Toxicology                                      o Public records act
    Terms                                       Evidence collection
        o Inspection warrant                 General environmental sampling
                                             and testing concepts
        Methods of lawful inspections
                                                 Chain of Custody
        o Right of Entry
                                                 Sample Integrity/Protocols
        o Plain sight
                                                 o Transportation
    Jurisdiction, authority and
    structure of environmental health            o Temperatures
                                                 o Timeliness
        State law vs. delegated authority
                                                 Representative Sampling
        from federal government
                                                 Aseptic Technique
        Local vs. state jurisdiction
        Authority of the Health Officer to
        o Enforce laws, regulations,
          codes and ordinances                   Legal authority to collect samples
        o Inspect facilities / private and       Personal Protective Equipment
          public property                        and Safety
        o Issue and condition permits to         Calibrate, use, maintain, and
          operate                                interpret the results of field
                                                 inspection equipment. For each
        o Impound, embargo, seize,
                                                 piece of equipment named below
          condemn property
                                                 know what it measures, how to
    Legal Process                                operate and maintain it and the
                                                 limits of the equipment.
        Administrative authority
                                                 o Thermometers
        o Notice of Violation
                                                 o Pool test kits
        o Notice to Comply
                                                 o Combustible gas meters
        o Notice and Order
                                                 o Fat analyzers
        o Intent to Close/Notice of
          Closure                                o Hydrometer
        o Cease and Desist Order                 o pH test strips, or meter
        o Administrative or Office               o Sanitizer test strips (chlorine,
          Hearing                                  quaternary ammonium, and
        o Administrative penalties
                                                 o Maximum registering
        o Due process
                                                   thermometer or thermolabels
        Civil vs. Criminal Law                   o Digital camera
        o Infraction vs. misdemeanor             o Photo ionization detector
          vs. felony
                                             Cultural practices and norms
        How a bill becomes a law
                                                 Awareness of cultural differences
        Understand codes with multiple
                                                 Possible offensive behavior
        sections, paragraphs,
        subparagraphs, articles,                 Respect for others
        exemptions, etc.
                                             Administration Principles
                                                 Developing vision, goals and
                                                 Finance and budgeting
    Personnel supervision                         Ear plugs
    Program monitoring and                        Air purifying respirators
Basic interviewing techniques and
                                                  Safety shoes
                                                  Environmental hazards
                                                  o Sun protection
    Identification of applicable
    environmental health laws                     o Insect repellant
    Open ended questions                          o Hydration/heat stress
    Demonstrations                                o Poisonous plants
    Explanations                                  o Animals
    Documentation                                 Occupational Safety and Health
                                                  Administration (OSHA)
    Location and timing of interview
                                                  requirements related to
    Exit interview protocol                       Environmental Health occupations
Conflict resolution techniques                    o Confined spaces
    De-escalation                                        Equipment
    Developing listening skills                          Partner
    Empathy                                              Air supply
    Paraphrase and repeating                      o Trench shoring
    Body language                                 o Material Safety Data Sheet
    Approach – first impression
                                                  o Illness Injury Prevention
    Know when to leave
                                                    Program ( IIPP)
Ethical practices
                                                  o Office safety
    Conflict of interest
                                             Risk assessment
    Professional code of ethics
                                                  Identify public health risks
    Public accountability/transparency
                                                  Respond appropriately to public
    Consequences of unethical                     health impacts
    practices (e.g., REHS revocation)
                                                  Project/time management
                                                  o Prioritize workload
                                         Food and Consumer Protection
                                         Knowledge of:
    Illegal Discrimination
                                             Jurisdiction and authority; Federal
    Personal accountability                  and state laws regulating food
    Work ethics
                                                  California Health and Safety
Personal protection equipment
                                                  Code,(CHSC) Sections, 113700-
and procedures
                                                  114437(Cal Code)
    Hard hat/other protective
                                                  o Definitions
     o Permit requirements              o Bacillus cereus
     o Articles                         o Norovirus
     o Authority                        o Yersinia
     o Exceptions to Cal Code           o Listeria monocytogenes
     o Know what the food manager       o Trichinella spiralis
                                        o Vibrio species
     Federal Food, Drug, and
                                        o Anisakis
     Cosmetics Law
                                        o Cyclospora
     o Pull-by dates
                                        Disease characteristics for each
     o Food Code, US Public Health
                                        disease agent
                                        o Incubation period
     o US Dept. of Agriculture
                                        o Symptoms and duration
     o Federally inspected food
       facilities                       o Type of illness: intoxication,
                                          infection, or toxin-mediated
     Sherman Food, Drug, and
     Cosmetics Law
                                        o Most likely food source
     o Wholesale vs. retail
                                        o Common mode of transmission
     o Truth in Menu
                                        o Common disease name
     o Definitions for labeling,
       adulteration, misbranding        o Prevalence
     Other California regulatory        o Susceptibility and high risk
     agencies                             populations
     o California Dept. of Food and     General foodborne illness
                                        o Infections
           Milk and Dairy Food Safety
                                              Typical symptoms
     California Department of Public
     Health (CDPH)                      o Intoxications
     o Food, Drug and Radiation               Definition
       Safety Division
                                              Typical symptoms
     o Division of Drinking Water and
                                        o Toxin-mediated infections
       Environmental Management
     Disease Agents for the following
                                              Typical symptoms
     o Salmonella
                                        Chemical and physical
     o Shigella
     o Campylobacter
                                        o Naturally occurring
     o Hepatitis A and E
                                              Ciguatoxin (Toxic Algae
     o E. coli                                Toxin)
     o Clostridium species                    Mycotoxin (Molds, Yeast,
     o Giardia lamblia
                                              Scombrotoxin (Histamine
     o Staphlococcus
     o Entamoeba
      Shellfish Toxins                     Depend on proper handling
                                           of food samples
         Paralytic Shellfish
         Poisoning (PSP)                   Importance of detection
         Domoic Acid Poisoning
         (DAP)                             Quality Assurance and
                                           Control (QA/QC)
         Neurotoxic Shellfish
         Poisoning (NSP)             o Food histories
o Manmade Chemicals                        Three day complete food
      Cleaning Solutions
                                           Persons who shared meal
      Food Additives
                                           Source of suspected food
                                           Trace backs
      Heavy Metals
                                     o Etiological agent identification
      Food Preservatives
                                           Characteristics of the case
      Medical Supply Additives
o Physical contaminants and food
                                           Incubation period
                                           Mode of transmission
      Definition of adulteration –
      Cal Code 113732                      Verify hypothesis – see lab
      Sources – facility,
      manufacturing process, light   o Inspection observations
      shields, personal effects,
                                           Implicated food
      general sanitation
                                           Prep methods
Modes of foodborne illness
transmission                               Sampling
o Fecal/oral route,                        Food source
o Role of personal hygiene,                Chain of custody
  infected wounds, and
                                     Sampling and testing methods
  asymptomatic carriers
                                     o Chain of custody, security,
o Potential for droplet
                                     o Sterile technique
o Role of fomites,
                                     o Split samples
o Cross contamination
                                     o Sample integrity
o Pathogen growth in foods
                                     o Proper tools and equipment for
Food-borne illness investigation
                                     o Certified lab for testing
o Define attack rates
                                     Hazard Analysis and Critical
      Morbidity rates
                                     Control Points (HACCP)
      Mortality rates
                                     o Seven HACCP principles
      Food specific attack rate
                                     o “Process HACCP”
                                     o What processes are required to
o Laboratory results
                                       have a HACCP plan
      Used to confirm diagnosis
              o Exemptions for Potentially             Biological
                Hazardous Foods (PHF)
                                                            Total and fecal coliform
              o Time and Temperature                        bacteria
                     Time as a public health     o Secondary
                     Reheating and cooling
                     Hot holding and
                     refrigeration equipment
                                                 Public water systems with 15 or
              o Inadequate cooking
                                                 more service connections or that
              o Cross contamination              regularly serve at least 25
                                                 individuals daily at least 60 days
              o Poor personal hygiene
                                                 out of the year.
              Construction standards
                                                 o Community
              o Basic structural requirements
                                                 o Non-transient non-community
                for new food facility
                                                 o Transient non-community
                     Indirect connections
                                                 o Water system sampling plan
                     Required sinks
                                                       Location of sampling points
                     Type of flooring
                                                 Disease agents
                     Wall surfaces
                                                 o Giardia
                     Commercial equipment
                                                 o Cryptosporidium
                     Exhaust systems
                                                 o E. Coli
              o Interpret blueprint symbols
                                                 o Salmonella
     Drinking Water
                                                 o Shigella
     Knowledge of:
                                                 o Campylobacter
              Federal and State laws and
              guidelines regulating drinking     o Hepatitis A and E
              water including
                                                 o Pseudomonas
              o California Safe Drinking Water
                                                 o Entamoeba histolytica
                Act (SDWA)
                                                 o Leptospirosis
              o Bulletin 74-90 and 74-81
                                                 o Vibrio
              o Jurisdiction and authority of
                local construction standards     o Polio
              Drinking water quality standards   Disease transmission
              o Primary                          o Cross-connections
                     Radioactivity               o Pollution
                     Organic                     o Water treatment system failure
                     Synthetic                   Source water
                     Volatile                    o Ground water
                     Inorganic                   o Ground water under the
                                                   influence of surface water
                                                 o Springs
                        Heavy metals
                                                 o Surface water
Potential contamination of source         Taste
o Underground storage tanks
o Naturally occurring (arsenic,
                                    Drinking Water Treatment
o Agricultural activities,
                                    Processes surface water
o Sewage disposal systems           treatment rule
o Mining activities                 o Applies to surface and certain
                                      ground waters
o Solid waste disposal sites
                                    o Removal of specific microbes
o Industrial activities
                                      by 2-, 3-, and 4- logs
Cross-connection control terms
                                    o Monitoring of turbidity
and principles
                                    o Watershed protection
o Level of hazard determines
                                    o General principles of treatment
      Control devices (e.g. Air
      gap)                                Coagulation
o Backflow prevention devices                Alum
      Reduced pressure Principle             Synthetic polymers
                                             pH dependence
o Check valves
Water sampling and testing
o Chlorine test kit
                                             Slow sand filters
o pH meter, pH paper
                                             Rapid sand filters
o Total Dissolved Solids (TDS)
  meter                                      Granular-media filters
o Turbidity meter                            Bag filters
o Sterile sample bottles                     Reverse osmosis
o Sampling techniques                     Disinfection
      Identify good sampling tap             Chlorine
      Proper handling of sample                   Combined and Free
                                                  chlorine residual
      Purpose of Sodium
      Thiosulfate                                 Breakpoint
      Obtaining a representative
      sample                                      pH
o Testing protocol – knowledge                    Disinfection
  of advantages / disadvantages                   byproducts
      Coli-alert Test                                  Trihalomethane
      Membrane Filter Test                   Ozone
      Multiple Tube Fermentation             Ultraviolet light
o Physical Examinations
                        Concentration and Time         Disease causation related to
                              concentration            o Indoor air pollutants
                              Contact time                   Radon
                              pH                             Molds
                              Temperature                    Asbestos
                              Turbidity                      Formaldehyde
              Well Construction/Destruction                  Carbon monoxide
              o State Bulletin 74 and its              Housing Structure and Safety
                amendments - guidance
                                                       o Basic electrical
                     Annular seal placement
                                                       o Basic plumbing
                                                       o Basic structural
                                                             Structurally sound
                                                             Safe building materials
                        Pump curves
                        Cone of depression
                                                                Lead based paint
                     Above ground features
                                                                Lead pipes/ solder
                        Well head
                                                       o Fire Safety
                        Sample tap
                                                       o Safe water supply
                        Electrical connections
                                                       o Adequate sewage disposal
                     Pitless adaptor
                                                       Maintenance and occupancy
                     Drilling methods                  standards for motels, hotels,
                                                       apartments, single family
                     Siting considerations
                                                       dwellings, farm worker housing
                        Geological formation
                                                       o Trash and debris removal
                        Surrounding activities           (abandoned refrigerators)

                        Topography                     o Lead exposure (paint, soil)
                        Property lines                 o Adequate living space
     Housing and Institutions                                Control communicable
     Knowledge of:
                                                                Infectious respiratory
              General standards for institutions
              (e.g., jails, prisons and detention
              facilities, hospitals, skilled nursing            Dermatitis
              facilities, shelters, schools,
                                                             Mental health
              dormitories, organized camps)
                                                       o Vectors and pests
              State laws and legal authority -
              substandard housing                            Cockroaches
              (State Housing Law, Applicable
              sections of California Code of
              Regulations (CCR) in Title 17, Title           Rodents
              15 and Title 25, Uniform Housing
                                                             Bed bugs
                Mites                                          Distribution
         o Ventilation and Heating                    SDWA
Land Use                                              o Primary and secondary
Knowledge of:
                                                      Sewage Disposal - terms and
         State and local laws regulating
         land use
                                                      o Geology
         o California Subdivision Map Act
                                                      o Watershed management
         o California Environmental
           Quality Act (CEQA)                         o Hydrology
         o Drinking water quality and                 o Wetlands
           quantity standards
                                                      o Topography
         o State Water Quality Control
                                                      o Soil morphology
           Board (SWQCB)
                                                      o Hydrogeologic cycle terms
                Regional or Basin Plans
         o Local Planning Rules
                Zoning Ordinances
                Conditional Use Permits
                General Plans
                                                      o Eutrophication
                Flood plain maps
                                                      o Water table
                                                      o Artesian spring
         o Lead
                                                      o Flood plain
         o Arsenic
                                                      o Aquifer
         o Asbestos
                                                      o Aquitard
         o Perchlorate
                                                      o Porosity
         Land History impact of prior land
         uses on potential land uses                  o Permeability
         o Mining activities                          o Runoff
                Underground storage of                o Absorption
                Military bases
                                                      o Principles of sound and noise
                Drug labs
                                                              Logarithmic progression
                Archeological Sites
                                                      o Human health effects
                Dump site/landfills
                                                      o Noise Measurement
         Drinking Water Quality and
                                                      o Noise control
         Quantity Standards
                                             Recreational Waters and Public Pools
         o Minimum water quantity
           requirements                      Knowledge of:
                 Source                               State laws and regulations
                                                      regarding public swimming pools
                                                      and recreational waters CHSC,
     Sections 116025-116068; CCR;          o Potential impact of nearby
     Title 17, Sections 7956-7962; Title     sources of pollution
     22, Chapter 20 and Title 24,
                                                  Wastewater treatment
     Chapter 31B, and Article 680
     Disease Causation-etiological
                                                  Septic systems
     agents and diseases
                                                  Storm drains and storm
     o Norovirus / Rotoviruses
                                                  water runoff
     o Shigella
                                                  Fresh water inflow
     o E. Coli
                                                  Animal waste, soil, and
     o Giardia                                    vegetation
     o Cryptosporidium                     o Affect of ocean waves and tidal
     o Legionella
                                           o Freshwater beaches
     o Pseudomonas
                                                  Total coliform bacteria
     o Staphylococcos
                                                  Fecal coliform bacteria
     o Dermatitis
                                                  Enterococcus species
           Schistosomiasis (Swimmer’s
           Itch)                                  Blue-green algae species
     o Enterohemorrhagic Colitis,          Pool Chemistry
     o Gastroenteritis                     o pH
     o Giardiasis                                 Ideal vs. legal
     Water Sampling and Testing                   How pH affects chemical
     o Pool or spa
                                           o Sanitation
           Test kits
           Depth of sample
                                                     Ideal vs. legal
           Location of sample
                                                     Salt chlorine generators
           Amount of sample
                                                     Break point chlorination
           Purpose of sodium
           thiosulfate                               Over chlorination
           Disinfectant residual                     Stabilizers (Cyanurates)
                                                     Gas feeders
           Labeling and chain of
                                                          Definition of
           Pool water temperature at
           sample time                                    Control methods
     o Public beaches                                     Effects
           Sample containers                         Bromine
           Depth of the sample                            Ideal vs. legal
           Sample preservation                       Other methods
     o Appropriate indicator                              Ozone
       organisms and their limitations
                                                          Hydrogen peroxide
                                                          Ultraviolet (UV) light
o Water Balance                                            Cartridge
      Calcium hardness                           o Flow rates/filtration rates
      Total Alkalinity                                  Flow meters
      Total Dissolved Solids                            Backwashing
      Temperature                                       Separation tanks
      Langelier Saturation Index                        Influent and effluent gauges
Closure Criteria                                           Turnover rates
o Pool/spa closure                               o Circulation
      Main drain broken or                              Skimmers/Gutters
                                                           Surge tank
      No free chlorine
                                                        Main drains
      Turbidity (cannot see the
                                                           Split for wading pools
      bottom of the pool)
                                                           Anti-vortex / anti-
      Broken ladder or handrails
                                                           entrapment devices
      Lack of safety equipment or
                                                           Operation and
      pH outside acceptable range
      Bacteria level
      Filtration or recirculation
                                                 o Slope
      equipment not functioning
                                                 o Steps, hand rails and ladders,
      Protocol for Fecal Accidents
                                                   and depth markers
      (CDPH fact sheet)
                                                 o Bather load
o Beach closure
                                                 o Filtration
      Bacteria level exceeds State
      Standard                                   o Disinfectant feeders
      Sewage discharge                           o Emergency shutoff (spas)
      Storm water discharge                      o Deck
Ancillary and safety for public                  o Fencing/gates
pools and spas
                                                 o Circulation equipment
o Shower facilities
                                                        Pump size
o Toilet facilities
                                                        Pipe size
o Drinking fountain
                                                        Turnover rate
o Safety equipment
                                                 o Drain cover
o Signage
                                                 o Lighting
Construction Criteria, filtration and
                                                 o Backflow prevention
circulation systems
                                        Hazardous Materials And Hazardous
o Filtration
                                        Waste Management
      Types of filters
                                        Knowledge of:
          Diatomaceous earth
                                                 Authority and Jurisdiction Federal
          Sand                                   and State Laws and Regulations
     governing Hazardous Materials            Reactivity
     and Hazardous Waste)
                                              Vapor pressure
     o Hazardous Waste
                                              Specific gravity
           CHSC 25120-25250
                                              Boiling point
           CCR Title 22
                                              Flash point
     o Certified Unified Program
                                              Vapor density
       Agency (CUPA)
                                        o Modes of chemical exposure
           CHSC 25404-25404.8
     o Hazardous Material Business
       Plans                                  Inhalation
           CHSC 25500-25520                   Ingestion
     o California Accidental Release          Injection
       Program (Cal ARP)
                                        Permitting, Inspection and
     o Spill Prevention and             Registration
       Countermeasure Control
                                        o Storage practices
                                              Accumulation limits
     o Aboveground Petroleum
       Storage Act (APSA)                     • Time
     o Underground storage tanks              • Quantity
           CCR Title 23 (applicable           Labeling requirements
     Household hazardous
                                              Secondary containment
                                              Seismic stability
     o Identification
     o Management
                                        o On-site treatment and/or
     o Control
     Hazardous characteristics
                                        o Employee training and safety
     o Corrosive                          records
     o Ignitable                        o Transportation records
     o Toxic                            Sampling, Testing and
     o Reactive
                                        o Sampling protocols
     o Chemistry terms relative to
       hazardous materials/waste              Sample size
           Volatile organic compounds         Method
           Heavy metals                       Containers
           Oxidizers                          Transportation
           Reducers                     o Testing and monitoring
                                              Combustible gas meters
                                              Coliwasa tubes
                                              Draeger tubes
                Photoionization detectors     o Compaction
                Hazcat testing                o Erosion control
                Interpret laboratory data     o Vector control
                Detection limits              o Staff training
                QA / QC                       o Employee safety equipment
                Spikes and blanks             o Litter control
                Test methods                  o Leachate monitoring/control
         Remediation and Site Clean up -      o Liner systems
         terms and definitions
                                              o Final cover
         o Plume modeling
                                              o Landfill gas monitoring/control
         o Hydrogeologic principles
                                              o Ground water monitoring
         o Chemical transport
                                              Transfer station operations
         o Vadose zone monitoring
                                              o Load check procedures
         Hazard Communication
                                              o Material recovery facilities
         o MSDS
                                              o Vector control
         o Community Right-to-Know
                                              o Staff training
         o Proposition 65
                                              o Employee safety equipment
         Occupational Health
                                              o Litter control
         o Safe working conditions
                                              o Odor control
                Eight-hour TWA
                                              o Recycling
                15-minute Short-term
                                              o Record keeping
                Exposure Limit (STEL)
                                              Composting operations
                Permissible Exposure Level
                (PEL) and Immediately         o Load check procedures
                Dangerous to Life or Health
                                              o Vector control
                                              o Staff training
Solid Waste and Medical Waste
Management                                    o Employee safety equipment
Knowledge of:                                 o Litter control
         State laws regulating solid waste    o Temperature logs
         handling, disposal, and recycling
                                              o Odor management
          o California Integrated Waste         implementation plan
            Management Act Public
                                              o Sampling requirements
            Resources Code (PRC)
                                              Hazardous waste at solid waste
          o CCR Title 27 Sections 20510-
                                              o Load checking procedures and
          o CCR Title14 Sections 17301-
            17350; 17400-17405
                                              o Universal waste
         Landfill operations and principles
                                              o Electronic waste
         o Daily cover
                                              Additional Solid Waste Issues
         o Alternative daily cover
                                              o Permitting
                     CEQA                        Disease transmission
                     Financial assurance         o Epidemiological Triangle
                     Local Enforcement Agency    o Disease Triad
                     (LEA) and California
                                                 o Epidemic Theory
                     Integrated Waste
                     Management Board                  Host-vector-pathogen
                     (CIWMB) roles                     transmission cycles
              o Illegal dumping                        Biological transmission
              o Closure and Post-closure Land          Mechanical transmission
                                                 o Definitions
              o Bioreactor Landfills
              o Landfill Gas to Energy Systems
              State laws regulating medical
              waste handling, treatment, and
              disposal                                 Intermediary host
              o Medical Waste Management               Vector
              o CHSC Sections 117600-
                                                       Delusional Parasitosis
              Bloodborne pathogens and acute
              diseases pertaining to medical     Identify etiological agent, primary
              waste                              host, arthropod vector, mode of
                                                 transmission, major organ system
              o Hepatitis
                                                 affected, and likely exposure
              o Human Immunodeficiency           circumstance for
                Virus (HIV)
                                                 o Arboviral encephalitis (e.g.,
              o Universal precautions              West Nile Fever)
                     Personal protection         o Bubonic Plague
                     Use of proper equipment     o Chagas Disease
              Medical Waste Management           o Lyme disease
              o Medical waste plan               o Malaria
              o Time tracking of removal         o Rickettisial Disease (e.g. Rocky
                                                   Mountain Spotted Fever)
              o Waste storage
                                                 o Tularemia
              o On-site treatment
                                                 o Typhus
              o Disposal tracking
                                                 o Yellow Fever
              o Sharps
                                                 Zoonotic diseases
     Vector borne and Zoonotic Diseases
                                                 o Hantavirus
     Knowledge of:
                                                 o Histoplasmosis
              Federal and state laws
                                                 o Leptospirosis
              o Reporting requirements
                involving animal bites and       o Pneumonic Plague
                zoonotic diseases
                                                 o Psittacosis
                                                 o Rabies
Biology, behavior, and habitats                       Warning properties
o Bats                                Wastewater Management
o Bed bugs                            Knowledge of:
o Cockroaches                                  State laws related to wastewater
                                               treatment and disposal
o Fleas
                                               o SWQCB
o Flies
                                                      Regional WQCB
o Lice
                                               o Porter-Cologne Water Quality
o Mosquitoes
o Rodents
                                               o Uniform Plumbing Code
o Skunks
                                               o National Pollutant Discharge
o Stinging insects
                                                  Elimination System (NPDES)
o Ticks
                                               o Stormwater Pollution
Field identification
                                                  Prevention Plan (SWPPP)
o Bed bugs
                                               Constituents of wastewater
o Ground squirrels
                                               o Nitrates
o Mosquitoes
                                               o Coliform bacteria
o Norway rats
                                               o Fecal coliform bacteria
o Roof rats
                                               o Total dissolved solids (TDS)
o Ticks
                                               o Total suspended solids (TSS)
Sampling procedures
                                               o Fats, grease, and oils
o Trapping methods
                                               o Foaming agents
      Adult and larval mosquitoes
                                               o Biological oxygen demand
      Blood specimen collection
                                               o Dissolved oxygen
      Flea combing techniques
                                               o Pharmaceuticals
      Live flea and tick collection
                                               Pathogens found in wastewater
o Proper handling and
                                               o Bacterial
  transporting samples
      Dead bird collection
      Rabid animal carcass
Disease control and prevention
Animal/vector                                  o Protozoa
o Knowledge of common                                 Giardia
  behaviors and habitats
o Integrated pest management
                                               o Virus
o Proper pesticide application
      Application rate
      Certified Pest Control
                                               “Publicly Owned” wastewater
                                               treatment processes (POTW)
                                               o Screening
     o Primary treatment                       Distribution systems
          Digestion                                   D-box
          Sedimentation                               Valves
             Drying beds                              Serial
             Biosolids                         Drain field
     o Secondary treatment                            Perforated pipe
          Trickling filter                            Chamber units
          Activated sludge                            Seepage pit
          Aeration                       o Non-standard design
          Clarifier                            Mound systems
     o Tertiary treatment                      Pressure dosing systems
          Disinfection                         Intermittent sand filter
                                               Aerobic treatment units
                                               Packed-bed systems (e.g.
     Other Wastewater Treatment
                                               Evopotranspiration systems
                                         o Construction plans and
     o Commercial/Industrial/
                                               Design plan review
          Packaged Treatment Plants
                                                      Hydraulic calculations
     Reclaimed and Recycled water
                                                      Slope calculation
     o Definition/uses
                                               Site construction inspection
          Irrigation uses
                                               Identifying system failure
          Industrial uses
                                                      Fluorescein dye test
          Gray water systems
                                                      Surfacing effluent
     o Control measures
                                         Soil Science definitions
                                         o Soil
          Color-coded pipes
                                         o Soil texture
     On-site wastewater treatment
     systems                                   Sand
     o Siting considerations                   Silt
          Setbacks to wells property           Clay
          lines, drainage courses, and
          ground water
                                         o Bedrock/fractured rock
                                         o Permeability
          Cut banks and fill
                                         o Restrictive/impermeable layers
          Parcel size
                                         o Seasonally saturated soil
     o Standard septic system
       components                              Soil mottling
          Septic tanks                   Percolation principles
         o Pre-soaking                        Disease Prevention and Control
         o Siting
                                              o Drinking water supply
         o Distribution
                                              o Food safety
         o Calculations/absorption rate
                                              o Mass care and shelter
         Storm Water
                                              o Solid waste disposal
         o Definition
                                              o Wastewater management
         o Pollution of water courses
                                                    Portable toilets
         o Prevention methods
                                              o Hazardous material and waste
                Control discharges to Storm
                                              o Medical waste management
Disaster Management
                                                    Removal of dead
Knowledge of:
         Emergency/Disaster Conditions
                                              o Vector control and pest
         o Natural and man-made                 management
                                              Radiation Protection
                                              o Radiation principles
                                                    Ionizing radiation vs. non-
                Floods                              ionizing radiation
                Fires                                  Ionizing radiation
                Terrorism events                           Gamma rays
                    Nuclear                                Beta particles
                    Biological                             Alpha particles
                    Chemical                               X-rays
         Emergency/Disaster response          o Human health effects
         o Incident Command System,                 Somatic
           National Incident Management
           System and State Incident
           Management System                        Teratogenic
                                              o Sampling and monitoring terms
                Risk assessment
                                                    Roentgen equivalent man
                Damage Assessment                   (rem)
         o Coordination of staff/resources          Radiation absorbed dose
                Disaster Service Worker
                Assignment of tasks
                                                    Personal dosimeter
                    Responder safety
                                                    Geiger counters
                Evacuation Planning
                                                    Ionization chamber
                    Mass Care and Shelter
                                              o Radiation protection principles
                        Pet and Animal
                        Shelter                     Time
         o Emergency Notification                   Shielding
                     Distance                       Effects of air pollutants on human
                                                    health and the environment
                                                    o Respiratory diseases
     Air Quality and Pollution Control
                                                          Chronic Obstructive
     Knowledge of:
                                                          Pulmonary Disease (COPD)
              Jurisdiction and authority, federal
              and state air quality laws and
              regulations                           o Cardiovascular disease
              o Federal Clean Air Act               o Increased medical
                     US Environmental Protection
                     Agency (EPA)                   o Ecological damage
              o California Clean Air Act            o Architectural deterioration
                     California Air Resources       o Reduced crop production
                                                    Indoor Air Quality (See housing
                     State Implementation Plans     section)
                                                    Sampling and testing methods
              o Local air pollution control         and instruments
                                                    o Particulate sampling
              Air pollutants
                                                    o Gas Sampling
              o Primary Pollutants
                                                    o Smoke and Soiling
                     Sulfur dioxide                   Measurement
                     Nitrogen oxide                       Ringelmann smoke chart
                     Hydrocarbons                         Tape Sampler
                     Carbon monoxide                o Stack Sampling
                     Carbon dioxide                 Control Measures
                     Toxic air contaminants         o Air pollution control equipment
                        Lead                              Particulate Collectors and
                        Volatile Organic
                        Compounds (VOC)                      Electrostatic precipitators
                        Chlorofluorocarbons                    Cyclone
                                                               Air scrubbers
                     Particulate matter (PM 10;
                                                               Carbon filtration
                     PM 2.5)
                                                               Thermal and catalytic
                                                               Settling chambers
                                                               Sonic collectors
              o Secondary Pollutants
                                                               Baghouse filters
                     Photochemical smog
                                                                Cloth-screen filters
                     Acid rain
        Gaseous Collectors and
        Treatment Devices
           Thermal converter
           Catalytic converter
           Vapor conservation
Climate Change
o Greenhouse gases
o Carbon dioxide emissions
o Ozone depletion

Sample Questions

GENERAL MATH and SCIENCE                            5.   An epidemiological study which follows a
KNOWLEDGE                                                group of people over time is a _____ study.

1.   The Inverse Square Law is commonly used             a.     regressive
     in which environmental health program               b.     prospective
     areas to calculate the intensity or strength        c.     progressive
     of a substance at a specified distance from         d.     retrospective
     the point source?
                                                    6.   A sample collected over a short time period
     a.     radiation, lighting, and noise               where the atmospheric concentration is
     b.     noise, air emissions, and radiation          assumed to be consistent throughout the
     c.     radiation, fluoridation in water,            sample period is called
            lighting, and noise                          a(an) _____ sample.
     d.     lighting, sewage contamination in
            stream, and air emissions                    a.     grab
                                                         b.     small
2.   If 15x + 3 = 7x - 13, then x equals                 c.     partial
                                                         d.     integrated
     a.     - 2.0
     b.     +2.0
     c.     +2.5                                    FOOD AND CONSUMER PROTECTION
     d.     +4.0
                                                    7.   Adequate cooking will not always
                                                         prevent Clostridium perfringens food
INVESTIGATIONS and INSPECTIONS                           poisoning because
                                                         a.     the enterotoxin is heat stable.
3.   What is the legal term which describes the          b.     the spores are heat-resistant and
     failure to perform an official duty as an                  may survive.
     Environmental Health Specialist without             c.     it is a rapidly growing pyrophilic
     sufficient excuse?                                         organism.
                                                         d.     incomplete heat distribution results
     a.     malfeasance                                         in new bacterial colony formation.
     b.     misfeasance
     c.     nonfeasance
     d.     criminal responsibility                 DRINKING WATER

4.   In the field of public health law, state       8.   The level that a vacuum breaker must
     government’s police power is an attribute           be installed above the flood rim of the
     of a sovereign government; whereas, the             fixture or receptacle it is serving is called
     federal government is a government of               the _____ level.

     a.     absolute police power.                       a.     installation
     b.     delegated police power.                      b.     anti-siphoned
     c.     limited delegated powers.                    c.     critical
     d.     constitutional police power.                 d.     backflow

Sample Questions

MANAGEMENT                                            POOLS
                                                      12. Assuming a high-rate sand filter is
9.   Pursuant to the California Right to Know             operated at 15 gallons per minute per
     Law, facilities that handle hazardous                square foot, the minimum size filter
     materials are primarily required to submit           needed for a 36,000-gallon swimming
                                                          pool operating with a six hour turnover
     a.     Material Safety Data Sheets.                  rate is _____ square feet.
     b.     a business plan.
     c.     a list of all hazardous materials.             a.     6.67
     d.     a list of all acutely hazardous                b.     12.72
            materials.                                     c.     23.33
                                                           d.     40.01

MANAGEMENT                                            DISASTER MANAGEMENT

10. The Paint Filter Liquid Test is used at           13. In the event of a natural disaster, the
    landfills to determine                                safest source of drinking water would be
                                                          from a(an)
     a.     the soil permeability of cover
            material.                                      a.     toilet tank.
     b.     the sludge content of incoming                 b.     open cistern.
            waste.                                         c.     water heater.
     c.     if leachates have been formed.                 d.     swimming pool.
     d.     if wastes may be landfilled.
                                                      14. Radon does not have the characteristic of

WASTEWATER MANAGEMENT                                      a.     being known to cause cancer.
                                                           b.     having a long half-life.
11. Which statement about hydraulic                        c.     having the ability to enter homes
    conductivity in soils is true?                                through a water well.
                                                           d.     occurring naturally in the soil.
     a.     Hydraulic conductivity increases for
            all soils as they dry.
     b.     Soils with small, discontinuous           PEST AND VECTOR CONTROL
            water-filled pores have high
            hydraulic conductivity.                   15. The causative agent of Weil’s Disease
     c.     Unsaturated soils with large air-filled       resulting from direct or indirect contact
            pores have a high hydraulic                   with the infected urine of rodents and
            conductivity.                                 certain other animals is _____ spp.
     d.     As soils dry, the hydraulic
            conductivity of clay soils can                 a.     Yersinia
            become greater than that of sandy              b.     Leptospira
            soils.                                         c.     Rickettsia
                                                           d.     Wuchereria

Sample Questions

AIR QUALITY                                          LAND USE

16. Inhalation of asbestos fibers may cause          19. Which situation best describes an
    asbestosis,                                          incompatible land-use?

     a.     cancer, and mesothelioma.                    a.     One property is adversely impacted
     b.     eye irritation, and skin rash.                      by the environmental pollutants
     c.     coughing, and pulmonary edema.                      generated on an adjacent parcel.
     d.     lyphotheliomia, and sensitization.           b.     The value of one property is greatly
                                                                increased because of the presence
17. The problems associated with                                of a more valuable land-use for
    pneumoconiosis are not heavily                              nearby property or properties.
    influenced by the                                    c.     The land-use allowed on one
                                                                property adversely affects the
     a.     rate of pressure rise.                              health of the residents on an
     b.     size of dust particles.                             adjacent property.
     c.     length of particle exposure.                 d.     The land-use allowed on one parcel
     d.     concentration of airborne dusts.                    or property adversely impacts or
                                                                restricts the use of an adjacent or
                                                                nearby property or properties.
                                                     20. Two identical pumps located side-by-side
18. The determination of overcrowding in                 produce a sound level of 80 dBA at a
    residential units is based on the number of          distance of 10 feet. If one of the pumps
    persons per                                          is turned off, the sound level at 10 feet
                                                         is       dBA.
     a.     bedroom.
     b.     net square feet of habitable room.           a.     40
     c.     gross square feet of residential unit.       b.     70
     d.     cubic feet of airspace in dwelling           c.     77
            unit.                                        d.     80

Sample Questions Answer Key

            1     A
            2     A
            3     C
            4     C
            5     B
            6     A
            7     B
            8     C
            9     B
            10    D
            11    D
            12    A
            13    C
            14    B
            15    B
            16    A
            17    A
            18    B
            19    D
            20    C

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