ML20055F926
| ML20055F926 | |
| Person / Time | |
|---|---|
| Site: | Haddam Neck File:Connecticut Yankee Atomic Power Co icon.png |
| Issue date: | 06/28/1990 |
| From: | James Anderson CONNECTICUT, STATE OF |
| To: | |
| References | |
| CT0003123-02, CT3123-2, NUDOCS 9007190377 | |
| Download: ML20055F926 (14) | |
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. STATE OF CONNECTICUT C
i DEPARTMENT OF ENVIRONMENTAL PROTECTION 4
I-DIVISION OF ENVIRON! ENTAL QUALITY WATER COMPLIANCE UNIT STATE OFFICE BUILDING WRTFORD, CONNECTICUT 06106 REcc!vgn NPDES PERMIT HDDIFICATI01:
JUL 0 51990
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R.A.R.
l Connecticut Yankee Atomic Power Company C\\0 Northeast Utilities Service Company P.O. Box 270 Hartford, CT 06141-0270 Attention: Mr. R. A. Reckert,
'i Vice President Rei DEPNPC-061-00B Town of Haddam Connecticut River Watershed Gentlemen:
This perm!t is issued in accordance with Section 22a-430 cf Chapter 446K, l
Connecticut General Statutes and Section 402(b) of the Federal Water Pollution l
Control Act, as amended, 33 USC 1251, dinTnistratoret, seq., and pursuant to an approval dated September 26,
- 1973, by the A of the United States l
Environmental Protection Agency for the State of Connecticut to administer an NPDES permit program.
The Commissioner has determined-that compliance with the condition of this permit will indicate that the treatment facilities for non-thermal discharges constitutes best available technology economically achievable standard of best professional judgement.
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using the The discharge is subject to the effluent guidelines and standards for the steam electric power generating point source category promalgated on November 19, 1982 pursuant to Section 301 of the Federal Clean Water Act,as amended.
Specifically this discharge is subject to 40CFR Parts 125 and 423 of the effluent guidelines and standards.
1 The Commissioner of Environmental Protection (hereinafter-the
" Commissioner")' has determined that the thermal component of the discharge will s
not result in a violation of' the Water Quality Standards adopted pursuant to i -
Section 22a-426 of the Connecticut. General Statutes as amended and approved by
. the U.S. Environmental Protection Agency on January 9,1981 1
L The Commissioner has determined that the location, design, construction, arid capacity of the cooling water intake. structures i'eflect the best technology
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available for minimizing adverse environmental iqpact pursuant to Section 316(b) of the Federal Act.
9007190377 900628 PDR ADOCK 05000213 f
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PDC (W y4
' Phone:
163 Capitol Avenue. mrtford. Connecticut 06106 An Equal Opportunity Emplopt
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The Comn.issioner hereby finds that the Connecticut Yankee Atomic Power Company is maintaining a facility known as the Haddam Neck Plant described in the reapplication package dated June 13, 1984.
The Co:nmissioner, acting under Section 22a-430, hereby permits the Connecticut Yankee Atomic Power Company to take such action as is necessary tot
- 1) Insure that all wastewaters generated by the activities of the Connecticut Yankee Atomic Power Conipany, Haddam Neck Plant, described in the above referenced application are collected, treated and discharged in accordance with this permit.
- 2) Insure that all discharges described in this permit (after giving credit for condition of intake water, where applicable) shall not exceed and shall otherwise conform to the specific terms and general conditions specified herein.
A) Discharge Serial No. 001 Receiving Stream - Connecticut River (Basin Code 4000)
Present/ Future Water Quality Standard SB/SB Description - Discharge Canal Outlet (2000 yards downsteam from discharge weir) -(Code 102001d)
Average Daily Flow - 576 000,000 gallons g
Maximam Temperature-121T Maximam' Parameter Code Concentration Total Residual Chlorine 503 0.2 mg/l eat any time.
1)
The maxinum tenqperature increase at the dischagge tunnel outlet above the intake water temperature shall be }87.
In the event the tenperature differential exceeds 38 7 for a
period' exceeding 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />, the Department of Environmental Protection shall be immediately notified and a written report of the incident filed.
2)
The permitee shall operate all facilities in such a manner as not tg raise the normal temperature of the receiving waters more than 47 or igerease the average temperature of the receiving waters above 837.
For purposes of this condition, cognizance will be 1
given to reasonable time and distance to allow mixing of effluent and receiving waters.
l 3)
The thermal plume allowed within the permissible mixing zone as defined by these conditions shall not block zones of fish passage.
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li)
The discharge and operation of all facilities shall not alter
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significantly the color, turbidity, taste, odo? or levels of i
coliform bacteria from ambient levels in the receiving waters; i'
nor shall the level of dissolved oxigen in the receiving waters fall below 5.0 mg/l as a result of such discharge.
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5)
Discharge Serial No. 001 shall l
l a) Have a pH between 6.0 and 9 0.
(Code 609) b) Not contain as a result of additions from process operations any visible oil sheen, roam, sludge deposits, grease, scum or cause silt or sand deposits.
t c) Not contain more than 0.1 milliliters per liter settlea' ole solids above the intake water concentration.
6)
Total residual chlorine shall not be discharged from any unit for I
a period of more than two hours per day.
7)
The discharge shall contain no other chemical constituents-in concentrations and combinations which are harmful to human, animal or aquatic life, or which make the waters unsafe or unsuitable for fish or shellfish or their propagation, irgpair the i
i palatability of same, or impair the waters for other uses.
B) Discharge Serial No. 001A Description - Test Tank Discharge (Code 101059y)
Flow - 16,000 gallons per batch Frequency - Four times per week Average Maximm Frequency - Fifteen times a week Temperature - Ambient Average Average Quantity Maximm-Concen-Parameter Code Per Batch Concentration #
tration Chromium - Total 109 50.0 ppb l
Total Suspended Solids 6111 1.21 kg/ day 30.0mg/l 20.0 mg/l Boron 106 2,250 mg/l
- At any time.
l 1)
A minimun of two condenser circulation pumps shall_ be in service during discharge.
2)
The ph of the discharge shall not, be less than 6.0 or greater than 9.0.
(Code 609) 6
4 C) Discharge Serial No. 001A-1 Description - Treated Waste. tater from Steam Generator Decontamination System (Directed to Discharge Serial No.001A) (code 101059y)
Maximm Flow per Decontamination - 30,000 gallons Parameter Code Maxinum Concentration a Copper 111 1.0 mg/l Iron 113 1.0 mg/l Cadmium 107 0.1 mg/l Chromium-Total 109 1.0 mg/l Lead 114 0.1 mg/l Nickel 119 1.0 mg/l Zine 127 1.0 mg/l Total Oil and Grease 622 15 0 mg/l
- At any time.
1)
A minim 2m of two (2) condenser circulation punps shall be in service during discharge 2)
The pH of the discharge shall not be less than 6.0 or greater than 9 0.
(Code 609).
3)
Decontamination process ultilizing citric and oxalic acids, EDTA and hydrogen peroxide.
D) Discharge Serial No. 001B Description - Non-radioactive Steam Generator Blowdown Tank Discharge and Steam Generator Secondary Side Wet Layup Drainage.
(Coce 1020170)
Average Daily Flow - 57,000 gallons per day Maxinum Daily Flow - 120,000 gallons per day Tenperature - Ambient Parameter Code
_Maxinum Concentration _ #
Hydrazine 600 200.0 mg/l Copper 113 1.0 mg/l Iron-113 1.0 mg/1 Phosphate as P0 208 50.0 mg/l 4
Total Suspended Solids 614 30.0 mg/l eat any time.
1)
A mininum of two condenser circulation pumps shall be in service during a discharge of steam generator secondary side wet layup.
2)
No two steam generators may discharge secondary side wet layup drainage sinultaneously.
3)
The ph of the discharge sball not be h?3 than 6.0 or greater than 9.0.
(Code 609).
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E)
Discharge Serial No. 001C Description - Secondary Side Leakage and Floor Drains (Code 103004N' Flow - Only in omkrgency as described in subparagraph 1 Temperature - 1217 1)
In the case of a plant flooding condition, a normally-closed and tagged valve may be opened to permit discharge. Otherwise, this 1
discharge shall not be used.
F)
Discharge Serial No. 001D Description - Secondary Side Leakage and Floor Drains -(Code 103004N)
Flow - Only in emergency as described in subparagraph 1 1)
In the case of a plant flooding condition, a normally-closed and tagged valve may be opened to permit discharge.0therwise,this discharge shall not be used.
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Discharge Serial No. 001E Description - Water Treatment Waste Liquid Tank Discharge and treated Water from the Floor Drain System (Code 1020060)
Average Daily Flow - 7,500 gallons per day Maximm Daily Flow - 22,000 gallons per day Tenperature - Ambient Parameter Code Maxim m Concentration
Total Oil and 0Fease 622 15.0 mg/l Total Suspended Solids 614 30.0 mg/l
'AT any time.
1)The ph of the discharge shall not be less than 6.0 or greater t
s than 9.0.
(Code 609).
t H)
Discharge Serial No. 001F L
Description - Nash Vacuum Pump Seal Water, Transformer Cooling Systems Drains, Oland Steam Exhaust, Condenser Drains, Hot Well Drains. Feedwater Heater Drains and Roof Drain Water (Code 103004N)
Average Daily Flow - 26,000 gallons exclusive of rain water Maximm Daily Flow - 342,QOO. gallons exclusive of rain. water Maximm Temperature - 150'T I) Discharge Serial No. 001I Description-Sanitary Sewage (Code 101011b)
Receiving Stream - Connecticut River
'(Basin Code 4000)
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Present/ Future Water Quality Standard - SB/SB Average Daily Flow - 25,000 gallons per day-1 l
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5 Minimm Maximm Average Percentage 1
l Daily Monthly Removal Parameter Code Concentration Concentration _ Efficiency l
Biochemical Oxygen Demand 301 35 mg/l 20 mg/l 905 5
Total Suspended Solids 614 35 mg/l 20 mg/l 905 i
l 1)
The discharge shall be required to meet the mre stringent of the t
average monthly concentration or minimum removal efficiency l
requirements for each parameter.
2)
The average monthly concentrations specified above shall not be exceeded by a factor of 1 5 during any week.
l 3)
The pH of the discharge shall not be less than 6.0 nor greater than 9.0 at any time (Code 609).
4)
The discharge shall not contain a visible oil sheen or floating solids.
5)
The average monthly concentration of settleable solids shall not be greater than 0.1 milliliters per liter, and at no time shall
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the settleable solids exc/9d 0.3 milliliters per liter. (Code 610).
6)
The discharge shall not cause visible discoloration or foaming in the receiving waters beyond any zone of influence as provided in the " Connecticut Water Quality Standards & Criteria" as amended.
7)
The geometric mean of the fecal coliform bacteria values for the effluent samles collected in a period of thirty (30) consecutive days during the period from May 1st through September 30th shall not exceed 200 per 100 milliliters. (Code 401).
8)
The geometric mean of the fecal coliform bacteria values for the effluent sacples collected in a period of seven (7) consecutive days during-the period from May 1st through September 30th shall not exceed 400 per 100 milliliters.
a) An alternate power source adequate to provide full operation of all pump stations in the sewage collection system and to provide a minimm of primary treatment and disinfection at the water pollution control facility shall be maintained to insure that no discharge of untreated wastewater will occur during a failure of the primary power source.
J) Discharge Serial No. 002 Receiving Stream - Connecticut River (Basin Code 4000)
Present/ Future Water Quality Standard - SB/SB Description - Screen Washwater Discharge (Code 102006N)
Maximm Daily Flow - 1,728,000 gallons per day Tenperature - Ambient i
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- 1) In the event of unusual incidents of large numbers of schooling fish being impinged over a short period of time the Department of l
l Environmental Protection shall be notified immediately and written i
report of the incident filed. The report shall include the species, sizes, approximate numbers, time of the occurence, i
operating mode of the plant at the time, and possible reasor.s for the occurrence.
K)
Discharge Serial No. 003 Receiving Stream - Connecticut River (Basin Code 4000)
Present/ Future Water Quality Standard - SB/SB Description - Oland Seal Water Filter backwash (Code 102006N)
Flow - 8 gallons per minute Tegerature - Ambient i
- 3) This PERMIT authorizes the discharge of wastewater as described in Paragraph 2 above and in the PERMIT application submitted by Northeast Utilities Service Cogany,as agent for Connecticut Yankee Atomic Power Company on June 13, 1984 and September 24, 1985. The discharge of any pollutants other than those so authorized, or the discharge of any other pollutants, in quantities or concentrations which have or may have an adverse impact on the receiving waters, or which is not in accordance with the maintenance of best management practices for industrial chemicals at
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l the facility is prohibited.
- 4) The discharge shall be monitored and results reported to the Director Water Cog liance according to the following schedules i
A) Monitoring Site No. 01 Intake (Before Condenser)
Minitalm Frequency Parameter _.
Code of Sampling Sample Type Total Flow 626 Hourly Instantaneous Tegerature ( F) 612 Hourly Instantaneous l
Settleable Solids 610 Weekly Grab
- 1) Daily records of times when fish return sluiceway is taken out of service due to high debris.
B) Discharge Serial No. 001 Minia Frequency
' Parameter Code of Samling Sam le Type Biochemical Oxygen Demand 301 Daily-See Note 1 Couposite Chemical Oxygen Demand 303 Daily-See Note 1 Composite Hydrazine 600 Daily-See Note 1 Composite Flow 626 Hourly Instantaneous O
i Temperature F 612 Hourly Instantaneous 4-.--..
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i pH 609 Hourly In*tantaneous Settleable Solids 610 Weekly Grab Total Residual Chlorine 503 Weekly Grab
- 1) Sampling required only when discharging secondary side wet layup i
drainage and steam generator decontamination system wastewater.
Report the following data:
- 1) Daily range of pH
- 2) Daily range of flow 41 Daily maximm temperature ( F) 3 Daily minimm temerature
- 5) Daily average temperature
- 6) Honthly standard deviation of tegerature 71 Daily minimum temperature increase Daily maximam teg erature increase 8
- 9) Daily average temperature increase 5
- 10) Monthly standard deviation of temperature increase
- 11) Monthly maximm heat load (BTU /hr.)
- 12) Monthly minimum heat load l
- 13) Honthly average heat load
- 14) Monthly maximm rate of change of heat load
- 15) Honthly standard deviation of heat load a) Gross radioactivity (less tritium, gases and alpha)
(1) total release (curies) l (2) average concentration released (uC1/ml) b) Tritium (1) total release (curies)
(2) average concentration release (uCi/c1).
c) Dissolved gases I
(1) total release (curies)
(2) average concentration released (uC1/ml) d) Gross alpha t
(1) total release (2) average concentration released (uC1/ml) e) Volume of liquid waste discharged (liters) f) Volume of dilution water (liters) g) Isotopes released (curies) h) Percent of 10 CFR 20, Appendix B, Table 11, for total release
- 1) Percent of technical specifications limit if different from 10 CFR 20, for total release if such specifications are established by NRC.
I C) Discharge Serial No. 001A Minimm Frequency Parameter Code of Sampling Samle Type Chromium 109 Honthly Grab Total Suspended Solids 614 Monthly Grab pH 609 Monthly Grab
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- 1) Record the instantaneous flow at the time of grab sagle collection.
- 2) The monitoring report shall include a detailed explanation of any deviations from the limits specified in paragraph 2 and the corrective actions taken to achieve cogliance..
D) Discharge Serial No. 001A-1
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Minimm Frequency Parameter Code of Samling Samle Type, e
Biochemical Oxygen Demand 301 Daily-See Note 1 Daily Composite Chemical Oxygen Demand 303 Daily-See Note 1 Daily Composite Hydrazine Daily-See Note 1 Daily Cog osite i
Citric Acid 601 Da13y-See Note 1 Daily Composite Oxalic Acid 601 Daily-See Note 1 Daily Composite Nitric Acid 600 Daily-See Note 1 Daily Cog osite Permanganate 600 Daily-See Note 1 Daily Composite Ethylendiaminetetrancetic-Daily-See Note 1 Daily Composite Acid 600 Hydrogen Peroxide 600 Daily-See Note 1 Daily Cogosite Copper 111 Daily-See Note 1 Daily Composite Iron 113 Daily-See Note 1 Daily Composite Beryllium 105 Daily-See Note 1 Daily Composite Cadmium 107 Daily-See Note 1 Daily Composite Chromium (Total) 109 Daily-See Note 1 Daily Composite Lead 114 Daily-See Note 1 -
Daily Composite Nickel 119 Daily-See Note _1 Daily Composite
- r Zino 127 Daily-See Note 1 Daily Cog osite Total Oil and Orease 622 Daily-See Note 1 Daily Composite pH 609 Daily-See Note 1 Range during i
composite Total Suspended Solids 614 Daily-See Note 1 Daily Composite
- 1) Sampling required only when' discharging steam generator decontamination system wastewater.
- 2) Record the total flow at the time of co::posite sampli collection.
- 3) The monitoring report shall include a detailed explanation of any
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deviations from the limits specified in paragraph 2 and the corrective actions taken to achieve compliance.
E) Dischargo Serial No. 001B Minimm Frequency i
Parameter Code of Sampling Saw le Type Biochemical Oxygen Demand 301 Daily-See Note 4 Daily Composite
10 Chemical Oxygen Demand 303 Daily-See Note 4 Daily Cog osite Hydrazine 600 Daily-See Note 4 Daily Cogosite Chlorides 600 Daily-See Note 4 Daily Composite Sulfates 600 Daily-See Note 4 Daily Composite Copper 111 Monthly Grab Iron 113 Monthly Grab 208 Monthly Grab l
Phosphate as PO4 Total Suspended Solids 614 Monthly Grab ph 609 Monthly Grab 1)
Record the total flow at the time of composite sample collection.
2)
Record the instantaneous flow at the time of grsb sample collection.
3)
The monitoring report shall include a detailed explanation of any deviations from the limits specified in paragraph 2 and the corrective actions taken to achieve compliance.
4)
Sampling required only when discharging steam generator secondary side wet layup drainage.
F) Discharge Serial No.001E Minimum Frequency Parame_ter, Code of Sampling Sample Type Copper 111 Monthly Daily Composite Iron 113 Monthly Daily Composite Phosphate as PO4 208 Monthly Daily Composite Total Oil and Grease 622 Month'ly Daily Cog osite Total Suspended Solids 614 Monthly Daily Composite ph 609 Monthly Range during composite l
- 1) Record the total flow at the time of composite sample collection.
- 2) The monitoring report shall include a detailed explanation of any deviations from the limits specified in paragraph 2 and the corrective actions taken to achieve cogliance.
G) Discharge Serial No.001F Mininun Frequency Parameter,
_ Code of Sampling Sanple Type Tegerature 612 Monthly Grab ph 609 Monthly Grab L
- 1) Record the instantaneous flow at the time of grab sample collection.
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11 2)The monitoring report shall include a detailed explation of any deviations from the limits specified in paragraph 2 and the corrective actions taken to achieve cogliance.
H) Discharge Serial No. 0011
- 1. Mor. toring Site 01H (Influent to the sanitary treatment facility)
Mininum Frequency Parameten Code of Samling Sagle Type Biochemical Oxygen Mmand -(5-Day) 301 4 per Month Daily Cog osite Total Suspended Solids 614 4 per Month Daily Composite pH 609 20 per Month Grab Settleable Solids 610 20 per Month Grab i
(a) For composite samples, record the instantaneous flow at the time-of each aliquot sagle collection. If constant volume, time weighed samplers are used, this requirement is waived.
(b) Grab samples sha:.1 be taken during that period of the day, when the peak hourly flow is normally experienced.
- 2) Discharge Serial No. 0011 (effluent from sanitary treatment facility)
L Mininum Frequency Parameter
_ Code of-Samling Samle Type, Biochemical Oxygen Demand 301 4 per Month Daily Composite 5
Total Suspended Solids 614 4 per Month Daily Composite Fecal Coliform 401 20 per Month Grab May 1st thru September 30th Dissolved Oxygen 605 20 per Month Grab Temperature 612 20 per Month Grab Settleable Solids 610 20 per Month Grab Turbidity 615 20 per Month-Grab pH 609 20 per Month Grab Acute Toxicity 653 2 per Year Daily Cog ositeen Antimony, Total 102 2 per Year Daily Composite **
Arsenic, Total 103 2 per Year Daily Composite **
Beryllium, Total 105 2 per Year Daily Composite **
Cadmium, Total 107 2 per Year Daily Composite" Chromium, Total 109 2 per Year Daily Composite ##
Chromium, Hexavalent 108 2 per Year Grabee Copper, Total 111 2 per Year Daily composite ##
Lead, Total 114 2 per Year Daily Compostie##
Mercury, Total 117 2 per Year Daily Cogosite##
Nickel, Total 119 2 per Year Daily Composite's Solenium, Total 120 2 per Year Daily Compostiene Silver, Total 122 2 per Year Daily Compositeen Thallium, Total 123 2 per Year Daily Compositesa Zinc, Total 127 2 per Year Daily Cog osite's 4
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12 Cyanide, Tota) 505 2 per Year Grab" Cyanide, Amenable 504 2 per Year Grab" Phenols, Total 820 2 per Year Daily Cogosite##
H unchlorinated 1
(a) Record daily and report on a monthly basis the minitaim (Code 630), maxitaim (Code 631) and total flow (Code 626) of the i
discharge.
(b) For composite samples, record the instantaneous flow at the time of each aliquot sa@le collection.
If constant volume, i
time weighed samplers are used, this requirement is waived..
(c) Grab samles shall be taken during that period of the day, when the peak hourly flow is normally experienced.
(d) Samples collected for bacterioloE cal examination shall be i
collected between the hours of 11 a.m. and 3 p.m. or at that time of day when the peak hourly flow is normally experienced.
(e) 7or the purposes of this Section "2 per year", shall be interpreted as meaning before July 31 and December 31 each year.
(f) In lieu of a daily co@ osite sample the permittee may consider a composite sample to be a sagle consisting of a minimam of eight aliquot samples collected at equal intervals of no less than 30 minutes or no more than 60 minutes and combined proportionally to flow over that same i
time period provided that during the sampling period the peak hourly flow is experienced.
Any results of such alternate composite sa@les in excess of the limitations specified in paragraph 2 above shall be considered permit violations.
(c) Record the percentage of recycled flow on a daily basis.
(h; On or before July 31st of each calendar year the permittee shall verify to the Department of Environmental Protection, Water Compliance Unit that the main flow meter has been calibrated in the previous f mr in accordance with the annufacturer's specifications.
- 5) Section 22a-430-3(k) of the Regulations of Connecticut State Agencies shall apply in all instances of bypass, including a bypass. planned _ during required maintenance, except as superseded by this paragraph.
The Department of Environmental Protection Water Compliance Unit, Municipal Enforcement Section (Telephone No. 566-3282), the Department of Health Services (Telephone No. 566-1258), end the local Director of Health shall i
be notified immediately by telephone during normal business hours and a written report submitted to the Commissioner within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> - of each P
A 13 occurrence, or potential occurrence, of an emergency diversion or bypass of untreated or partially treated sewage 'or failure of any major co@onent of 1
the treatment facilities which would reduce the quality of the effluent.
If the diversion or bypass occurs outside normal working hours (8:30 a.m.
l to 4:30 p.m. Monday through Friday), immediate notification shall be made to the Emergency Response Unit at 566-3338 and the Department of Health Services at 566-4800.
The written report shall contain (a) The nature and cause of the diversion or bypass or treatment component failure.
l (b) The time the incident occurred and the anticipated time which it is expected to continue or, if the condition has been corrected, the duration.
(c) The steps being taken to reduce or minimize the effect on the t
receiving waters.
i (d) The steps that will be taken to prevent reoccurre.4ce of the condition in the future, i
6)
The disposal of screenings, sludges and other solids or oils and other liquid chemical wastes shall be at locations approved -in accordance with the provisions of Chapter 446k of the Connecticut General Statutes or to waste haulers licensed under Chapter 446k of the Connecticut General Statutes.
7)
Provide an alternate power source adequate to operate the treatment facilities and/or such other means as may be appropriate to insure
- that no discharge of untreated or partially treated wastewater will l
occur during a failure of the primary power soar"o.
8)
The Commissioner will require pH monitoring or Discharge Serial No.
l 001 every four hours, wh?n a malfunction of pH monitoring equipment occurs.
The Commissioner reserves the right to make appropriate revisions to the permit in order to establish any appropriate effluent limitations, schedules of compliance, or other provisions which may be authorized under the Clean Water Act in order to bring all discharges not in compliance with the Clean Water Act.
The PERMIT as modified or reissued under this paragraph shall also contain any other requirements of the Act then applicable.
The PERMIT shall be considered as the PERMIT required by Section 402 of the Federal Water Pollution Control Act and Section 22a-430 of the Connecticut General Statutes and shall expire on January 10, 1991.
This PERMIT shall be subject to all NPDES General Conditions dated April 27,1979 which are hereby incorporated into this PERMIT,except as superseded by the following definition t
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t 14 a.
" Daily Composite means a couposite taken over a full operatins day, for as long as the discharge exists on that day.
Entered as a PERMIT H3DIFICATION of the Commissioner of Environmental Protection this June 2P, 1990.
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4:4_T i
0 ohn W. Anderson Deputy Commissioner NPDES No. CT0003123 State Application No.84-122
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