ML20042E839
| ML20042E839 | |
| Person / Time | |
|---|---|
| Site: | Seabrook  |
| Issue date: | 12/31/1989 |
| From: | PUBLIC SERVICE CO. OF NEW HAMPSHIRE |
| To: | |
| Shared Package | |
| ML20042E838 | List: |
| References | |
| NUDOCS 9005030206 | |
| Download: ML20042E839 (4) | |
Text
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p SEABROOK STATION Annual Environmental Operating Report January 1, 1989.to December 31, 1989 1.
Environmental ~ Studies Program The Preoperational Environmental' Studies Program at Seabrook Station spans the period for 1975 to June 13.-1989.
From June 13, 1989, to June 22, 1989, Seabrook Station conducted its Low Power Testing i
Program.
Therefore..from June 13, 1989, to December 31, 1989, the Environmental Studies Program is considered postoperational. to this enclosure is Technical Report XX.II, which summarizes environmental data results from 1975 through 1988. A summariaation report for 1989;is not yet available but will'be forwarded as part of the 1990 submittal. Attachment 2 to this-enclosure (Technical Report XX-I) is the summariaation report for 1988.
2.
Environmental Protection Plan Activities for Reoortina Period Aoustic Monitorinn No reports for 1989 were generated.
Terrestrial Monitorina Not applicable.
Noise Monitorinn Not applicable.
3.
EPP Nop-Comoliance and Corrective Actions Thore were 20 exceptions noted and reported in the Seabrook Station Discharge Monitoring Reports (DMRs) for the period (January'- December 1
1989). A summary description of those exceedances is provided below.
The number in parentheses indicates the number of exceedances reported each month.
1989 Exceedance Summary Exceedance Comments L
January None February Turbidity (1)
Heavy rains and ensuing runoff.
March 1
None voodO30206 y00430 PDR ADOCK 05000443 R
PDC i
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New Hampshire Yankee April 30, 1990'
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Page 2 i
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1989 Exceedance Summary (continued)
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l Exceedance Comments l
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Anill
.l Chlorine (2)
Heavy raine resulting in cooling tower
.i overflow (daily maximum and month average limits exceeded).
Coliform (2)
Sewage treatment' plant in abnormal condition due to aeration pipe replacement in Lagoon No. 1 (daily and i
weekly limits exceeded).
~
BLE None 2nat j
None lukt c
pH (1)
Large algal growth followed by heavy rains and overflow.'
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Aunust pH (1)
Failed gasket' materia'1.at settling basin due to heavy rains along with algal l
bloom.
Coliform (2)
Suspected malfunction of chlorine tank' (daily and weekly limits = exceeded').-
sentember Coliform (2)
High chlorine demand from algal bloom and possible concealed coliform (daily and weekly limits exceeded).-
Turbidity (1)
Heavy rains and ensuing runoff.
pH (3)
High algal growth followed by heavy-rains.
Chlorine (1)
Probable electrical malfunction between' l'
the chlorine analyzer and the pump controller.
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New Hampshire Yankee i
April 30. 1990
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1989 Exceedence. Summary (continued)
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. i rj Exceedance Comments cetober pH.(3)-
Algal blooms followed by heavy rains.
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_ November i
Turbidity' Heavy' rains and ensuing runoff.
i December-j None'
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4.
Channes to Plant Deslan or Operation
. to this' enclosure is s' request for modifications to the
~
'Seabrook Station NPDES Termit. Attachment 4 to this enclosure is the
. United States Environmental Protection Agency (U.S.E.P.A.): response to that request.
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5.
Non-Routine
- l There were no non-routine reports generated-during this reporting period.
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7 New Hampshire Yankee April 30, 1990 ATTACIMENT 1 TO ENCLOSURE 1 TO NYN 90102 l
l SEABROOK STATION I
l Technical Report XX-II I
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