GO2-10-065, Annual Environmental Operating Report

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Annual Environmental Operating Report
ML101250218
Person / Time
Site: Columbia Energy Northwest icon.png
Issue date: 04/26/2010
From: Gambhir S
Energy Northwest
To:
Document Control Desk, Office of Nuclear Reactor Regulation
References
GO2-10-065
Download: ML101250218 (2)
v • d • e


Text

ENER GY Sudesh K. Gambhir

. EI.._*I.2TVice President, Technical Services P.O. Box 968, Mail Drop PE04 NRichland, WA 99352-0968 Ph. 509-377-8313 F. 509-377-2354 sgambhir@energy-northwest.com April 26, 2010 G02-10-065 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555

Subject:

COLUMBIA GENERATING STATION, DOCKET NO. 50-397 2009 ANNUAL ENVIRONMENTAL OPERATING REPORT

Dear Sir or Madam:

This letter is submitted per the reporting requirements of Section 5.4.1 of the Columbia Generating Station Environmental Protection Plan (EPP; Appendix B to Operating License NPF-21).

There were no EPP noncompliances in 2009 and there were no design or operational changes or tests that involved an unreviewed environmental question. No non-routine, non-radiological reports (within the context of EPP Section 5.4.2) were required for 2009. A summary of the effluent data reported to the State of Washington on the monthly discharge monitoring reports is attached.

There are no commitments being made to the NRC by this letter. Should you have any questions or desire additional information regarding this report, please call DR Coody at (509) 377-6113.

R ectfully, SK Gambhir Vice President, Technical Services Attachment cc: NRC Region IVAdministrator NRC NRR Project Manager NRC Sr. Resident Inspector - 988C RN Sherman - BPA/1 399 WA Horin - Winston & Strawn

2009 ANNUAL ENVIRONMENTAL OPERATING REPORT Attachment Page 1 of 1 COLUMBIA GENERATING STATION COOLING WATER BLOWDOWN DISCHARGES, 2009 Total Maximum-__________

DsfRsuTotal M m Discharge Days of PH Residual Total (millions of Volume gallons)

Month Discharge Halogen Copper Low High (mg/L) (pg/L) Average* Maximum**

Jan 31 8.2 8.3 <0.1 30 3.9 5.0 Feb 26 7.9 8.4 <0.1 12 3.6 5.0 Mar 31 8.0 8.6 <0.1 12 4.6 6.8 Apr 30 8.1 8.6 <0.1 11 3.8 6.3 May 29 7.4 8.5 <0.1 24 2.6 4.8 Jun 28 7.2 8.5 <0.1 19 2.8 4.9 Jul 31 8.0 8.7 --0.1 27 3.4 5.7 Aug 20 6.8 8.3 <0.1 53 1.5 2.9 Sep 30 8.0 8.3 <0.1 44 1.7 5.5 Oct 31 8.0 8.4 <0.1 47 1.5 2.0 Nov 30 8.1 8.3 <0.1 20 1.7 2.9 Dec 31 8.1 8.4 <0.1 27 1.6 2.4 Permit 6.5 9.0 0.1 5.6 9.4 Limit

  • Average daily discharge during the month
    • Maximum daily discharge during the month Copper limits are: 70 pg/L monthly average, 108 pg/L daily max, Dec - Feb 223 pg/L monthly average, 345 pg/L daily max, Mar - Nov
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