2.0 This presents project.
PROJECT DESCRIPTION section a brief describes describes technical anticipated All only the existing facility activities, EHSS areas is at defines that afforded could Hennepin project Station, resource be
description project and lists data cursory
of the GR-SI technology
demonstration potentially factors'for tenuous.
requirements impacted addressed; which 2.1 2.1.1 this
and discharges, however. retrofit
by the project.
requested treatment
in Appendix
J of the DOE PON are those
technology Facility
demonstration
makes applicability
Existing Site Hennepin
Description Power Station is a 533 acre 2 miles of features is facility northeast located as indicated on the Illinois Illinois 2-l of plot view
River
in Putnam County, 85 mil'es The layout 2-3, presented Hennepin and in Figure Station place. site. is River. River is gas. Station in place
approximately of the site 2-4. is accessible line access station
of Hennepin, in the aerial
and about and 2-2. Figure plan
west-southwest
Chicago,
in Figures
illustrated are identified
specific
on the station
by rail, is via
truck,
and barge. highway lead the north site SO/l80 from
The New York to the runs 180 of the with Natural the gas from the up to 100 which
Central site is to within Hennepin Mississippi Illinois service percent
Railroad in about site,
(Conrail) Truck 1.5 miles a major and from on site
runs adjacent county which the via
to the site roads forms Hennepin on-site
and a siding Interstate boundary
Interstate
of the plant; River, for navigation groundwater and Unit
to the plant
The Illinois
and comnerce channel
connecting are taken of firing
Water supplies
deep wells.
1 has the capability
Hennepin The GR-SI delivered
has Station
two coal-fired will
steam electric be conducted into in
generating Unit 1. pile a storage
units. Coal is which
technology to Hennepin
demonstration
by barge and unloaded 2-1
*Heyepfn
Power Station,
Putnam County,
~lli,,
I lmx (,aNa,lpl
I
I ,a
Figure
2-1.
Locatfon 2-2
of Hennepfn
Statfon.
2-3
is for
maintained fifty to
at
a level 8 acres.
sufficient The Coal rate pile
to supply coal pile runoff million
both is
units'
coal
requirements surface of and has an Runoff from Unit River. is 1.
ninety flow
days.
covers gallons
a ground
approximately annualired received Overflow 2.1.2 on measurements
intermittent in 1986. wastes Illinois
average
of 0.0186
per day (MGD), based
made by Hennepin
Station directly
personnel into the
by an ash pond separate
from the pond receiving
from each pond is discharged Description of Existing contains generating coals Table coal Unit
Process two coal-fired capacity from various for of steam electric 310 MWe. 'The fired Illinois a coal analyses rate lb/hr boiler. mines, typical generating project depending of those will units be
Hennepin with ure Unit in coal a total in Unit 2-5. 1 are 1986 Unit fired conducted
Station net Unit
1, an 80 MW, tangentially Coal and ash analyses
as shown in Figon price fired by by
1 fires in
and availability. given Testing rate Commercial firing
2-1. at
These an average
were done for Eased on plant lb/hr.
the plant
and Engineering of
Co. in 1986. lb/hr.
measurements, The maximum Station factor
1 fired coal
of 56,164 Both units in 1986.
1 is 71,500 in 1986.
at Hennepin The capacity
combined of Unit
at a rate
of 230,909
1 was 67.6 percent
An electrostatic emissions. downstream ft2/(1000 Solid the from ash coal, to to the the fly of the air ft3/min). waste
precipitator a cold side preheater.
(ESP) unit,
is
used whfch
to control means that collection
particulate it operates area of 223
The ESP is
The ESP has specific
streams
from the boiler by the plant ESP.
include
the furnace
bottom
ash and
ash collected for disposal.
These waste streams and are sluiced rate flow rate total rate of fly
are exempted to on-site of the 1 1 is
RCRA Subtftle ponds ash ash lb/hr. calculations pond pond is is
C Hazardous Eased that indicate
Waste regulations on the Average flow flow the average The average
and ash percentage of bottom station
ash from Unit ash from Unit ash generation
4566 lb/hr. 1537 lb/hr.
25,285
2-6
Ffgure
2-5.
Schematic
of Hennepfn 2-7
Station
Unft
No. 1 Bofler.
TABLE 2-1.
COAL AND ASH ANALYSES
Fuel Properties Proximate Analysis (Dry)
Typical Illinois
Unit 1 Coal
Fixed Carbon Volatile Matter Ash Moisture Heating Ultimate (as received) Value (as fired) (Etu/lb) Analysis (as received)
48.57 38.74 12.69 13.75 10,717
Carbon Hydrogen Nitrogen Chlorine Sulfur Ash Oxygen Moisture Sulfur Forms (Dry Coal Basis)
59.69 4.11 1.07 0.12 2.89 10.95 7.42 13.75
Pyritic Sulfate Organic Ash Fusion Temp. Reducing (oFI
1.62 0.04 1.70
Initial Deformation Softening (H = W) Softening (H = l/2 Fluid Ash Density (g/cm31
W)
2075 2185 2285 2390 2.2
Coal Grindability
(Hardgrove)
52
2-8
Process non-contact Boiler measured sluiced demineralizing to
water cooling
from the adjacent applications is provided removal Sluice sluice plant River. permit total Effluent
Illinois by on-site plant.
River
is used for fly
once-through ash. in a as
and for
transporting Process 2-2.
ash and bottom and is treated water flow rates and bottom
make-up
water
deep wells Fly
and silica an ash pond.
by the utility
are suasnarized water rate average
in Table
ash are are is
requirement is about water from the solids, are
varies 1.0 MGD. the plant Unit
from 0.72 MGO to These values 1 ash pond effluent year has an on for an the and estimated Discharge
1.26 MGD. Annualized approximations hours of sluicing into flow the rate, in System maximum, discharged Elimination water are for Minimum, monthly average discrepancy leaving time, depending the
made by the per day. Illinois (NPDES) pH,
based on sluice The plant's requires of these values 1986. rate basis. the in sluice flow rate, and rain suspended
pump rating
National
Pollutant to monitor for from flow is
and oils derived water
and greases. a recent the rate done plant's
and average Table of 2-3. reports
values These for
parameters
presented value
NPDES monitoring 0.353 than sluice that rather between pond fact the
Effluent
MGD. time water effluent
Flow entering water schedule
monitoring Factors
instantaneous,
averaged,
accounting
pond and discharge pump rating which patterns, varies with
water time on
include
approximations
and sluicing
and the upon
ash sluicing
is estimated
an instantaneous During was measured emissions average (lb/MEtu). hourly pounds Full hr) of load of
basis. test, the Unit cubic 1 flue feet gas volumetric per minute flow rate Air the 8tu to an to 5.40 load. lb/ (53.19
a 1986 emissions at 181,036 rate dry of limit concern include
standard Unit
(dscfml. ,In 1986,
SO2. NO,, from Btu Hennepfn of 17,050 when both
and particulates. Units lb/hr, units 1 and 2 are which is are operating
SO2 emission
I was 5.10 pounds of
SO2 per million limited at full equivalent lb/Mbtu to be 0.69
SO2 emissions SO2 mass emfssfon SD2 per particulate million
emfssions
were measured
to be 0.062
in 1986.
NO, emissions
are estimated
by the utility
lb/MBtu.
2-9
TABLE 2-2.
PROCESSWATER FLOW RATES
Source Unit Plant Unit Plant 1 Circulating Cooling 1 Sluice Coal Pile Water Water Runoff Boiler Water
Flow Rate (MGD) 1.68 230 0.72~1.26 0.0186 (intermittent)
2-10,
TABLE 2-3.
AVERAGE UNIT 1 ASH POND EFFLUENT WATER PARAMETERS
Parameter Flow Rate (MGD) PH TSS (mg/l) Oils/grease(mg/l)
High 0.445 8.8 15.6 2.5
LOW 0.271 8.4 6.0 1.9
Average 0.353 8.6 9.8 2.2
2-11
I
I
2.2
Technical Laboratory-scale
Project
Description of the reburning in the early 1970's Fourteenth Pittsburgh, scale research and pilot at full M. A., Injection." Institute, "Reduction concept (e.g. were originally Wendt, J. 0. L., Trioxide and
investigations United States Fuel and Matovich,
conducted Sternling, Nitrogen tional) More with the oil
in Oxides
the
C. V.,
of Sulfur
by Secondary it has been systems. fuel circa is
Symposium (Interna1973, p. 897). in Japan, but mainly work at when scale in scale
on Combustion, recently fired
The Combustion Recent potential natural
demonstrated extensive gas.
EER has demonstrated reburning in developed Tennessee with higher locations SO2 control. EER's reductions reductions sorbent those scale spectrum most of injection obtained systems. The objectives data base demonstrating and to Since population. using three applications technologies. utility the full conducted boilers of with of primary recent up to if rather
of the reburning Sorbent
concept,
particularly was also at that full
injection
originally 1970's
1960 and 1970 and was demonstrated Authority's (TVA) Shawnee Power Plant Subsequently, could sorbent be achieved materials. TVA demonstrated through the potential use of Large scale
Valley
in the early proper
poor results. levels sites and advanced
significantly injection U.S. for
capture
work at several of this technology
and Canadian
has begun to confirm
pilot 70 percent a hydrated optimfzed
scale from typical
results
indicate
that
60 percent Sulfur reburning for
NOx with of
can be achieved
pre-NSPS NOx levels. by combining is used.
dioxide
can be achieved sorbent gas
These data are typical injection achievable
reburning-sorbent to be generally
a wide in full
fuels
and they appear
the
current
project
are to provide of this
a comprehensive boiler of combination
the performance promote the design
of GR-SI in pre-NSPS utility characteristics could with
commercialfzatfon and operating demonstration a total utility 2-12
of pre-NSPS address will varying be
vary widely,
no single pre-NSPS
adequately widely
Consequently,
of three boilers
demonstrations
characteristics. as applied Figure boiler. NO that (CH) with percent emission the plant nitrogen is is
The GR-SI systems will to each specific 2-6 illustrates in that host unit.
be designed
for
optimum performance
the application zone. the reaction NO is of
of GR-SI in a tangentially release NH via reduced of NO with by a hydrocarbon NCO. N at high does
fired radical Molecular and 60 to
Natural producing NH2 at
gas is injected HCN which allows
above the main heat formation
zone to reburn
produced produced lower
by the
temperature provide have be useful not
temperatures Thus, to future four
(t22OOoF). this
The GR-SI system will unit reduction could
NOx control. constraint. in response 2-6
The pre-NSPS
Hennepin
an NOx
NO, emission
NO, regulations. are shown for to sulfur hydroxide. sulfur 1 boiler, firing upper capture. capture furnace an injection sorbent temperature Injection is injection; three of
In Figure these injection for For duct the (A. is
locations because
B, and C) correspond necessary to maximize of calcium can help fired This plan is both Unit while emission to inject will
injection. location also will
Upper furnace of approximately D provides since performance. be to reduce sulfur by existing furnace material upgrades on this in the will included
2250°F is required injection tangentially coals. humidification SO2 emissions Illinois regulations unit. flue during
A humidifier
and precipitator
the SO2 strategy the existing is with into not
by 50 percent but could
medium and high required
reduction compliance the sorbent increase design startup
be used for
any future the upper
SO2 regulations.
The preliminary Sorbent gas. the
injection several
the amount of solid and performance phase. Among phase of the project and SO3 injection. the plant's current
Therefore, during are flue waste The solid will
ESP modifications and
be assessed modifications Solid system. ash which, to lime/fly from product
the detailed
and implemented these possible
construction
gas humidification be managed using
wet sorbent
handling with fly
waste
from GR-SI is a blend of unreacted prepared dryer lime, for sludge spray
of a calcium has similar sludge This
due to the presence ash/scrubber lime-based
characteristics or the solid hardens after
disposal waste
systems. 2-13
I
I
SH
____'
I
C-
-
-.
B -’
-
-,
:I PNI)(ARV SH
A -’ w -c
-
-
REBlJRlW6 ZOIIE MAIN HEAT RELEASE ZONE -.---------em_ FUMACE
COM-
Ffgure
2-6.
Applicatfon for NO,/SO,
of gas reburning control.
sorbent
Injection
2-14
placement commercial 2.3 2.3.1
and value
produces for
stable
landfills. applications.
Such a blend
may also
have
construction of Activities of Project will take
Description Description The GR-SI project
Phases 53 months in three to complete. phases: This initial phase plan will testing. transfer. will begin Follo~wing equipment panel. and Disposition. of Phase 2 and unit will will be data and test be made to the will The process after DOE be and will culminate injection for An industry EER will conduct the
technology a
demonstration Phase l--Design in the panel the detailed for the systems
project
and Permitting. design Hennepin construction of site.
gas reburning A program and demonstration
and sorbent
be prepared
equipment will
be established
to initiate and Startup. and will out at last
technology This
a
Phase Z--Construction Phase approval, installed engineering 1 is completed and checked will
phase
16 months. injection site. industry
the gas reburning designs
and sorbent Hennepin
be presented Collection, with
to the
0
Phase 3--Operation, Phase will tested results available industry 3 will last for will panel. of GR-SI is rather it will begin one year to industry. 29 months.
Data
Reporting, the final stages
concurrent Following over into
DOE approval, of conditions. results will a guideline
the host All
a range
be compiled
manual which
The project
be presented
The demonstration technology technology but
not
intended conducted
as a first
generation of several
of specific individual
build
upon the results
demonstrations
now being
by the EPA and others.
F-15
I
2.3.2
Description The following
of Installation section as part personnel describes of the
Activities the GR-SI specific technology Worker to ensure this installation demonstration safety that program has not only occupational tasks that by EER
will
be undertaken plant but to rules of injury will
personnel, concern liability, subjected safety risk
and local project. risks. enforced since All responsibility
labor.
is a primary a financial are not and the health workers
in any industrial an ethical be fully unreasonable to workers.
an employer appropriate
throughout
to minimize
The GR-SI equipment in a series of five steps:
installation
work at Hennepin
site
will
be conducted
1.
2. 3. 4. 5. Step outage at the
Procurement Initial Final Checkout Correction three, of deficiencies final is the installation, key element will schedule power in time must correspond determining to a normally load if scheduled schedule. requirements outage until in this to of is and installation installation (normal (outage) unit operation)
and this time are
the installation a fall
The specific scheduled there the regard. procure the final Most silos. items etc., will low but load long
outage the period lead
depend on the utility's For example. than anticipated to delay request may elect The program EER will greater
and the condition no major problems, the items schedule
of the unit. the utility spring. flexibility,
demand is
in the fall the outage authoriration the completion
must be flexible
To maximire design of the need
as soon as possible
following
specifications. equipment will be standard directly items such as piping, A limited specific valves, number of
and will
be obtained
from vendors. to meet site
to be custom-fabricated 2-16
requirements.
,
These include general conduct possible. and fitting The initial operation following 1. 2. 3. 4. 5. A plot silo is the
the gas and sorbent to will the limit during installation step will installation be installed equipment fabrication/assembly This required
injectors, work outage will work step during
windbox off site
modifications, to the
etc. will
The be to
approach
procurement
and installation
maximum
extent
the amount of time-consuming the short work where all periods. be divided is conducted requires unit which
custom installation
on-site installation
into
two during
steps: normal outage.
an unit The
and the final equipment Sorbent Sorbent Sorbent Sorbent
a unit operation:
normal
unloading feeding piping injection
and storage and transport
equipment. equipment. equipment assembly. final connections. of the sorbent storage
and injection control installation Station 2-7. complete the
assembly. except showing for
Instrumentation plan of Hennepin
the location
shown in Figure is to
The intent flexibility The following 1. 2. 3. 4. 5. 6. Boiler handling
initial installation
installation during an outage: during
in time
to provide outage.
on completing equipment
the final
a scheduled
must be installed
Windbox modifications. Furnace Final Final Final or duct connections gas plumbing. instrumentation connections. penetrations for control for gas injectors, overfire air ports or sorbent injectors. equipment.
ESP upgrades. tubes will are lined licensed with asbestos All boiler to minimize modification asbestos 2-17 heat loss, and some asbestos be conducted include by in EER will
be required.
work will
a contractor
to work with
materials.
I
I
q
-w-e z .z y
the
contractor's
specifications be satisfied, and proper that all
a requirement including disposal final the the prior
that
all
applicable
DSHA and air
EPA regulations monitoring It single will is
asbestos
removal
guidelines,
requirements, not necessary outage to items
considerations. work be completed penetrations, completion available. outage. of the at a
installation initial to during the
scheduled be given
following
installation.
Consideration windbox initial would This
installing if
furnace/duct outage becomes
modifications installation reduce 2.4 This technology categories 2.4.1
and ESP upgrades a scheduled of effort Source Terms characterizes project. requirements
the intensity Project section of resource Project
required
the final
all
of
the
source can discharges.
terms
of
the
GR-SI the
demonstration
Source and project
terms
be divided
into
Resource resource
Requirements requirements include Figure requirements energy, land, water, with labor, important the GR-SI
Project materials, process technology flow
and other rates. demonstration
resources. project
2-8 is a diagram below.
detailing
The resource
associated
are identified
Energy Requirements Additional demonstration gas required consumption 1877 standard flow. 45,713 Coal lb/hr. for energy include the rate ft3/min. feed rate as reburning site for requirements electrical fuel. is about the host associated The estimated 800 kW. site It at full decrease with increase is estimated operating the GR-SI technology and natural power will be gas to the natural
power to run sorbent
equipment that
in electrical capacity
gas consumption
Coal usage will is expected
due to the added natural by approximately 19 percent
to decrease
2-19
I
I
. Ir iI # b il 1 z E a 5 z tl j
,
Land Requirements The GR-SI technology control is associated requirement been insiallation is available examined for procedures within with to implemented demonstration utility boiler relatively the existing that location storage adequate of all involves boilers. structure compact, plant space required the retrofit Since there is of two emission itself systems site has for space
on existing the existing are GR-SI
the technology is
and the ancillary The host Sufficient
no anticipated on site
of land outside ensure of the sorbent convenient
boundaries. equipment.
available hardware.
and feeding
Water Requirements The GR-SI However, process Hennepin requirement MGD. Based the MGD. Labor Requirements Labor operation performance. labor skills. requirement, locally A breakdown Dperation additional existing labor; plant by EER using will be required of the is still available of labor for the equipment a relatively labor requirements of the that installation hardware. small installation effort both to provide of the GR-SI equipment, of system the largest can be managed and specialized 2-4. very little by the program. more will Station will process sluice generate does water not will require the of utilization because fly that value that is ash. of of water, the sorbent Calculations sluice per se. injection by water 2.45.
be required amount indicate current also
an increased from will water its
and EER personnel increase water
the average
1.0 MGD to about
Humidification on calculations gas flue
be needed to enhance ESP performance. the gas will expected be saturated, 0.15 to be about
made by EER assuming requirement
humidification
and maintenance Although it
and verification represents which general
is presented GR-SI these systems tasks
in Table requires
and maintenance it is anticipated staff operations
may be conducted training
upon completion 2-21
of a brief
TABLE 2-4.
PROJECT LABOR REDUIREMENTS
Task
I
Duration
(months1
Comnunity-Supplied Labor (hrs)
Phase 1: Phase 2: Phase 3:
Baseline Testing Construction GR-SI Testing
1 16 12
240 8,310 2,000
10,550
2-22
During oversee
test
periods,
EER test
crew
personnel
will
also
be available
to
operation
and maintenance verification will
procedures. will be conducted tests. by EER test crews. No
Performance additional Materials labor
tasks for
be required
these
Requirements material sorbent. the course requirement During of silo. the for the GR-SI technology 6093 lb/hr 15,000 150 tons for producer. tons sorbent process. generate River demonstration will will be are be of sorbent
The primary is a calcium required. expected stored for tested Illinois quantities Illinois access which will During in the site's the lime of lime
based
operation program,
of CalOH) of sorbent The sorbent
to be used state
at the site. sorbent of Illinois as part hydrate plant. will Sulfuric vulcan are
Approximately The raw material is a major
is limestone to be two However, sufficient The two with easy
be selected producers, calcium manufacturers
of the demonstration and Marblehead, supply on the located to easily
the demonstration. Illinois
to the Hennepin
Construction Construction and small will also hardware
materials materials include items. locally.
be purchased sorbent acid silo
from
local for
distributors. equipment, piping pH adjustment
and handling
and CO2 required
be purchased
Transoortation
Reouirements impacting usage. trucks transportation The sorbent per day for barge. will delivery. are decrease be trucked in coal in and will usage and require delivered entering deliveries the is
The main factors increase to in sorbent two coal approximately Hennepin for plant
Coal is currently no trucks in barge change
by means of delivery.
There are currently
No substantive
expected.
2-23
2.4.2
Project Significant
Discharaes waste discharge stack streams from the boilers site, decrease employing emission to 0.28 the GR-SI of fly have ash been coal dry reduction lb/MBtu. emissions
technology and spent targets established. Emissions quality. are standard Solid to hr. greater natural will not the expected This of
include sorbent.
emissions for are
and a solid demonstration ND, and 502, expected to
waste consisting respectively,
At the technology
60 and 50 percent NOx emissions of SO2 would Flue decrease gas flow No changes
to 2.55 lb/MBtu, hydrocarbons. will rate
based on 1986 average or particulate slightly to 181,515
in CO, unburned
anticipated. ft3/min. waste
increase
is.expected of sorbent. from its would amount of
to change in both Flow current fly ash occur rate level the from of fly
flow
rate
and composition to about rate being rate, 11,000 would coal which
due lb/ be by ash, GR-SI
addition increase than gas. affect coal the
ash collected injection is
by the ESP is
to increase
of 4566 lb/hr sorbent coal that ash will decrease
since
displaced
The new composition CaSO4. and 41 percent per se, is consumption. are also of anticipated will solid waste.
of the fly Ca(DHl2. to
be 34 percent to 1248 lb/hr
25 percent reduced
Bottom ash flow
expected
because of
Changes pond. increased water increase of become permit Possible include the
in liquid be required Based show that to the fly of
effluent because on the average ash will
discharge GR-SI will flow expected effluent
from the ash generate rate will to an
More sluice amount by about more limit increase,
water calculations
amount of sluice
1.45 MGD. thus making sorbent Monitoring measures with sulfuric In both of
the new value
1.80 MGD. The addition stream be adjusted in acid to meet the the dioxide addition ash pond through (CO2
unreacted
and spent alkaline. of 9.
cause the waste
The pH of the ash pond will pH will to acid these lower the
be done during pH level of carbon the
GR-SI operation.
neutralization injection water.
or bubbling processes,
alkaline
2-24
reacts limit
in water of 9. Oil
to form carbonic
acid1
will
lower
the pH to within
the permit
and grease will residence reacts
loadings time of
are not anticipated below the regulatory the water in the concentration pile runoff
to change. limit of pond or using is expected sulfate.
Total chemical
suspended by increasmeans to because is not
solids ing the the
be maintained rate. with
15 mg/l
enhance settling sorbent expected Coal result contributions In addition, slightly. increasing Canadian 'leachability increase in
Sulfate coal
to increase Coal pile size
SO2 to form calcium
to change and thus usage will from pH is Studies pH (e.g.
will of
not change. the GR-SI than levels of metals T. W., Technical there is project, those or to and as a metals from coal. increase with of 805, and be no of
decrease metals sorbent expected have Cote, 1984,
as a result loading to remain that will at
coal-based
decrease. to be smaller current
In general,
are expected shown
leachability and Constable, Special Since decrease, effluent
decreases Publication
P. L. p. in 53). to either
"Development loading to
Data Base on Waste Leachability, are metals both expected
ASTM, Philadelphia,
coal-based
metals expected
levels
or groundwater
as a result
the GR-SI project. 2.5 Potential A number proposed groundwater focuses probable EHSS Receptors features include use, the labor air force, could potentially surface with and energy environment be impacted water respect impact resources. by the 3
of environmental These land quality,
action.
quality,
quality, Section of to these
on characterizing impact receptors. receptors.
existing
Section
4 evaluates
the probable
GR-SI one these
2-25
3.0 This Hennepin were
EXISTING ENVIRONMENT section site, action. in in this Atmospheric The area provides focusing Section section. Resources: Illinois Meteorology, in which climate average Peoria west annual Air Quality, and Noise site Peoria south is located cold a description on environmental is 2.5. Each of of divided these the into environmental that might the six setting be impacted categories is characterized at by that
features
the proposed individually 3.1
The environment
mentioned
categories
of central 3-l is
the demonstration with wind roses of the for site.
provides winters. for station Illinois inches.
a typical Figure and Moline State The climate
continental the year. about
warm summers and fairly 50 miles
shows BO-year
and Moline of Hennepin to the is 34.9
4 months throughout
is about
60 miles average
According in Peoria states
climatologist, is typical of a local
precipitation midwestern
of the entire
area and not
representative The air County including Geographic in February Emissions businesses particulates, The River. ongoing shaping area Current is in total Intrastate),
specialized
environment. site is generally 71 (North EPA criteria Pollutants of Illinois good. Central Putnam Illinois to EPA's there the Air
quality federal
in the area of Hennepin air quality control area for Status EPA. that emit NO,. the all
region 502,
and is an attainment suspended 1985 by the Inventory 10 emit revealed and industrial Designations of Attainment Illinois that plants
U.S.
pollutants, published are 95 56 emit
particulates,
and NO2, according
of Criteria A survey air
in Putnam and Bureau Counties pollutants,
of which
SD2. and 17 emit surrounding are other at the
immediately but noise feeding). there levels activities
Hennepin plants plant
site are
is
not the
highly Illinois to pile
industrialized,
industrial Hennepin plant
along
attributable (e.g. coal
construction and coal
and normal
operation
3-l
JANUARY a.
80-YEAR TOTAL (1901-80)
NT
b.
APRIL BO-YEAR TOTALl1901-80)
NT
Figure
3-1.
Wind roses
for
Moline
and Peoria,
Illinois.
3-2
JULY~~-YEARTOTAL(~QO~-~~)
C.
NT
OCTOBER QC-YEARTOTAl.(lQOl-801
d.
NT
For each concentric circle, the Key: wind blows 1 percent of the time from the direction of the line. Thus, a line directed vertically downward from the city that passed through 10 circles would indicate that the wlnd blew from the south 10 percent of the time Figure 3-1. Wind roses for Moline 3-3 and Peoria. Illinois, (Concl.)
3.2
Land Resources Hennepin Power Station along There near Lowland are Spring of of been is the located upper in Putnam County, Illinois hills loess River Province. in the The powerplant alluvian Hennepin which by the immediately Station areas this within is Illinois. The power Ridged country Illinois outwash within which the flood of
plant Plain is terrain River
iS situated of the Central level. is found
in the Bloomington The surrounding vicinity, lies Station a village surrounding the,IOO-year Hennepin and glacial is for in the
Physiographic no large Creek. thick Hennepin, created areas Hennepin which are of
nearly
but rolling
floodplain of the zone for to lie of the of River. the
composed Village yet
underlain boundaries zone maps However, Hennepin by flood Therefore, considered
by Pennsylvania have not
age bedrock.
National
Insurance on the east flood Station
Agency. and west plain. will be
unincorporated A13.areas, the fn a flood the proximity
the Village
have been mapped.
is enclosed
purposes
volume,
zone Al3 area. of the plant to the 3-2. between the bed. While Illinois River. by the there Illinois with as a deal are
Because wetlands Department the Illinois in
area. code This flooded
A wetlands
map as constructed site that area,
Conservation code
is shown in Figure PAB4FX on the indicates
There is a wetland is classified is a great
classification
the ash ponds and the there
wetland
semipermanently of agricultural Soil site and Water is classified
Palustrine District are
aquatic
activity
in the Hennepin
according clay loam,
to the Putnam County surrounding which Hennepin is of marginal immediately
Conservation use. There site.
most of the soil silty or unique
as moundprairie
agricultural surrounding 3.3
no prime
farmlands
the Hennepin Water Resources
Hennepin Ambient water in summarized contaminants.
plant quality Table
intakes data 3-1, 3-l
water for it
from and discharges the Illinois flow River rates
to the
Illinois
River. site are of and
near Hennepin and concentrations fron.
including
From Table
can be seen that 3-4
copper.
mercury.
I
I
U!
TABLE 3-1.
WATER QUALITY DATA FOR ILLINOIS HENNEPIN (1985)
RIVER AT
*Flow
Rate (ft3/s) Oxygen (mg/l)
Dissolved Barium
Boron (mg/l) Cadmium (mg/l) Chromium (mg/l)
Copper (mg/l)
Manganese (mg/l) Mercury Nickel (mg/l) (mg/l) (mg/l)
0.024
D.36* 0.15
0.005
0.13** 0.05
0.010 0.26** 0.10