Warmup by yurtgc548


 There’s a
reason you
 wear lab
Lab Safety

On Friday you will have a safety test
  You have to get a 100 on it.
  If you don’t, you will do test-corrections

Your notes today are on your safety contract
        General Safety Rules

2. Listen to or read instructions carefully
  before attempting to do anything.
23. Wear safety goggles to protect
      your eyes from chemicals, heated
      materials, or things that might be
      able to shatter.
27. Notify your teacher if any spills or
      accidents occur.
      General Safety Rules
16. After handling chemicals, always wash your
    hands with soap and water.

16. During lab work, keep your hands away
    from your face.

25. Tie back long hair.
        General Safety Rules
25. Roll up loose sleeves. No dangly jewelry or
baggy clothing.

11. Know the location of the fire extinguisher, fire
    blanket, eyewash station, and first aid kit.

9. Keep your work area uncluttered. Take to the lab
   station only what is necessary.

      General Safety Rules
24. It is suggested that you wear glasses
  rather than contact lenses.
16 & 34. Never put anything into your mouth
     during a lab experiment.
16. Clean up your lab area at the
     conclusion of the laboratory period.
8. Never “horse around” or play
     practical jokes in the laboratory.
           Glassware Safety
45. Chipped or cracked glassware should not be
    used. Show it to the teacher.

41. Broken glassware should not be disposed of in a
    classroom trashcan. There is a special glass
    disposal container for it.
           Glassware Safety
Pour down a glass stirring rod to prevent liquids
 from splattering.

27. If a piece of glassware gets broken, do not try to
  clean it up by yourself. Notify the teacher.

42. When inserting glass tubing into a rubber stopper,
  apply a lubricant like glycerin to the glass and use a
  twisting motion.
       Glassware Safety
48. Do not place hot glassware in water. Rapid
   cooling may make it shatter.
           Chemical Safety
23.Wear protective goggles and a lab
     apron whenever heating anything or
     using chemicals.

6. Never mix chemicals together unless you are
   told to do so (and then only in the manner

31. Never taste any chemicals (you should
    never taste anything in the lab).
           Chemical Safety
31. If you need to smell the odor of a
    chemical, waft the fumes toward
    your nose with one hand. Do not put your
    nose over the container and inhale the fumes.

36. Never pour water into a concentrated
    acid. Acid should be poured slowly
    into water.
          Chemical Safety
 Follow the instructions of your teacher
  when disposing of all chemicals.

33. Never return chemicals to their original

16. Wash your hands after handling
     hazardous chemicals.
           Heating Safety
52. Let burners and hotplates cool down
  before touching them. Test to see if they are
  cool enough by bringing the back of your
  hand close to them.
52. Use tongs and/or protective gloves to
  handle hot objects.
49. Never reach across an open flame or
            Heating Safety
51. Always point the top ends of test tubes
      that are being heated away from people.

51. When heating a test tube, move it
    around slowly over the flame to
    distribute the heat evenly.
             Heating Safety
49. When lighting a burner, wait until the
    striker is in place before you turn on the

50. Never leave a burner or hotplate
             Lab Accident
Accident:         General Chemical Spills
What To Do:       Notify Teacher. Teacher may
  have you clean it up. If acid, use baking soda
  to neutralize. If base, use vinegar to

All clean-up paper towels go in the FIRE CAN.
            Lab Accident
Accident:         Chemical Spills on the skin
What To Do: Flush with large quantities of
  water. Run water over the area for at least
  20 seconds. If the body part will not fit in a
  sink (chest, both legs) the emergency shower
  will be used.
              Lab Accident
Accident:       Something in the Eyes
What To Do:     Flush eyes at the eye wash
                immediately with plenty of
                water for between 5 and 20
                minutes. If a foreign object is
                lodged in the eye, do not allow
                the eye to be rubbed. Go to
           Lab Accidents

Accident:     Fire
To Do: If a desk or papers are on fire,
 notify the teacher. The teacher may
 have you use the fire extinguisher.
            Lab Accidents

How to use the fire extinguisher.

P – Pull (the pin)
A – Aim (at the base of the fire)
S – Squeeze (the handle)
S – Sweep (the nozzle side to side)
            Lab Accidents

Accident:     Fire
To Do: If a person is on fire, notify the
 teacher. The teacher may have you use
 the fire blanket to put out the fire.
              Lab Accidents

How to use the fire blanket.

Have the victim lay down
Throw the fire blanket over them
Quickly pat the fire out

           Lab Accidents
Accident:      Poisoning (ingested chemical)
What To Do: Find out what substance
          was ingested and alert the
          teacher immediately.
Lab Safety
Lab Safety

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