ML20101A624
| ML20101A624 | |
| Person / Time | |
|---|---|
| Site: | Seabrook  |
| Issue date: | 04/19/1992 |
| From: | Feigenbaum T PUBLIC SERVICE CO. OF NEW HAMPSHIRE |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| Shared Package | |
| ML20101A628 | List: |
| References | |
| NYN-92051, NUDOCS 9204290269 | |
| Download: ML20101A624 (7) | |
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April 19,1902
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Q4' Attention:
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Facility Operating License No, NPF-86, Docket No. 50-443 yh c.
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National Pollutant: Discharge Elimination System (NPDES) Permit No.
~ NH0020338 4
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..Subjecy Annual Enyhonmental Operating: Report
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- Gentlemen:
g l Enclosed please;: find;the. Annual Environmental' Operating Report for Seabroch
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. Station.L Theg enclosed _ report;is a summary of the--implementation of the Environmental i
Protection-Plan (EPPJ for:the period of January 1,1991 to December 31,1991.. This report
-y fisD submittett pursuant E to lthc.irequirements J of Section : -5.4 of the Scabrook Station iEnvir6~ mental: Protection Plan.
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- Should. you req iire further information regarding thh matter, please contact Alt, James -
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L M? Pesclicl/ Regulatory? Com'pliance Ma' ages at.(603) 474-9521, extension 3772.
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Very truly yours,
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- Un;;ed States. Nuclear P,egulatory Commission-April 19,1992
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Attentior.:
Docurnent Control Desk Page two
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'(without enclosures)
Mr. Thomas T. Martin Regional --Administrator :
United States Nuclear Regulatory Commission Region I-
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Kit.d of Prussia,. PA 19406
- Mr. Gordon E. Edison, Sr. Project Manager Project Directorate. I 3
. Division' of Reactor Projects U.S.. Nuclear Regulatory Commission Washington,. DC - _ 20555 Ms. Noel Dudley
-NRC Senior Resident Inspector P.O.- Box 1149 S eatu ook, - NH 03874 c.
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ANNUAL ENVIRONMENTAL OPERATING REPORT 4
JANUARY 1, 1991 TO DECEMBER 31, 1991 4-l l.
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-l ANNUAL ENVIRONMENTAL 0PERATING REPORT 7
. JANUARY 1, 1991 TO-DECEMBER 31, 1991 1.
Environmental-Studies Procram
- la Technical Report XXII-II, which summarizes environmental data results from.1975 through 1990. Attachment 2. Techr.ical Report u
. XXII-1, is the data report for 1990.
The data report for 1991 is still under development and will be forwarded as part of the 1992 submittal.
New Hampshire Yankee submitted an amended application (Attachment 3) for a National' Pollutant Discharge Elimination System (NPDES) Permit renewal to-the USEPA on April 11, 1991 with a copy sent to the NRC via NHY
_ letter NYE-91009.
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Environmental Protection P1 tq_Act_i,vities for Recortine Period Aouatic-Monitorine
' New Hampshire Yankee (NHY) submitted a report 'Cteparative Evaluations of Hydraulic Model.and Field Thermai Plume Data, Seabrook Nuclear Power
- Station."
This report. measures the thermal plumes from the cooling
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water discharge, from plant operations. and cor. pares them to predicted plumes.
Overall, a satisfactory agreement between the models and field data was observed. _This report was subaitted to the USEPA on June 18, 1991 (Attachment 4).
Few Hampshire Yankee on April 26, 1991 submitted a report. *1990 Ocean Temperature Compliance Report".
This report summarizes ocean
- temperature data acquired in 1990 during the first 6 months of Seabrook Station operation - as required by NPDES Permit No..NH0020338. As a followup, on January 21, 1992, NHY submitted aa amended document,
( Atta chment 5) to correct minor flaws in the original data submittal.
P Terrestrial-Monitoring Not-Applicable Noise Monitoring.
E Not Applicable 3.
EPP Non-Comeliance and Corrective Actions There were 51 exceptions noted and reported in the Seabrook Stetion Discharge Monitoring Repnrts (DMRs) for the reporting period (1991). A summary description et those exceedances is provided below.
The number in parentheses indicates the number of exceedances reported each month.
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4 ChanRes to Plant;Derinn or Cwration--
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- e New Hampshire Yankee (NHY) requested that.the diversion of the Unit 1-Protected Area stormwater to the Circulating Vater System be.
accomplished by implementing a_ limited portion of the flovpath
' todification that.vas requested by NHY in its April 11, 1991 NPDES permit 1 renewal.
This request was approved by.the USEPA on October 11, 1991. - The diversion of the Unit 1 Protected Area stormwater to the Circulating' Vater System'was accomplished.by utilizing the aban'doned
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-Unit 2-circulating water pipe..This flowpath modification includes a:
radiation monitoring skid that will continuously monitor this flowpath.
All NPDES monitoring requirements for the C4.rculating Vater System (outfall-001) will be met prior to discharge. - All other-flowpath modifications described-in the NPDES. renewal application, will not be
' implemented without EPA approval.
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Non-Routine Reports There were'no non-routine reports generated during this reporting period.
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1991~EXCEEDANCE'
SUMMARY
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- Exceedance
_ Comment-Jamtary-pH (6)'
Secondary plant leakage (1)-
Algal bloom followed by heavy rains aystem Chlorine (1) overdest dueEto start-up.
Februarv
_ pH-(2)
Secondary plant leakage March pH.
(3)
Secondary plant leakage TSS
' (1) -
. Swings in pH during neutralization results in elevated iron levels.
April pH (2)
Secondary plant leakage algal growth (4) followed by heavy rains Turbidity'
.( 1 )
Secondary plant resins fcund in' sump
- TSS, (1)'
Equipment malfunction
' Chlorine (1)
- May
- pH
._ ( 5 )
Secondary plant leakage
-(3)
Algal bloom with heavy rains June.
pH
.(4)
Secondary plant leakage ulycol (1)
Equipment malfunction
- July pH _-_
(4)
Secondary plant leakage
. TSS 1(1)
Secondary plant resins found in sump _
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None
_ September
, TSS-( 3 )l.
Algal bloom 4
-Total ~Flcw (1)-
Heavy rains
- pH -
- (11
-Algal bicem
- October:
BCD -
(2)-
Seasonal = lagoon turnover 1
Coliform
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Transfer bottle pbssibly contaminated as chlorine level was acceptable
' pH-(1)'
Secondary-plant leakage i
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s 1991 EXCEEDANCE StM4ARY
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Esceedance Cocxnent
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None December-None br/
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