ML060720045
| ML060720045 | |
| Person / Time | |
|---|---|
| Site: | Diablo Canyon  |
| Issue date: | 02/27/2006 |
| From: | Becker J Pacific Gas & Electric Co |
| To: | Office of Nuclear Reactor Regulation, State of CA, Regional Water Quality Control Bd |
| References | |
| CA0003751, DCL-2006-511, FOIA/PA-2010-0209 | |
| Download: ML060720045 (44) | |
Text
FiM Pacific Gas and i
Electric Company" Elci a -Diablo Canyon Power Plant P. 0. Box 56 Avila Beach, CA 93424 Date: [February 27, 2006
- 1 Certified Return/Receipt I #7003-3110-0005-7002-5406
.I PG&E Letter DCL-2006-511 California Regional Water Quality Control Board Central Coast Region Attn: Monitoring and Reporting Review Section 895 Aerovista, Suite #101 San Luis Obispo, CA 93401-7906
Dear Mr. Briggs:
In accordance with Order 90-09, NPDES No. CA0003751, enclosed is the Annual Report for 2005 on Discharge Monitoring at Diablo Canyon Power Plant (Enclosure 1).
Facility Name:
Diablo Canyon Power Plant Address:
P.O. Box 56 Avila Beach, CA 93424 Contact Person:
Job
Title:
Phone Number:
WDR1NPDES Order Number:
Type of Report: (check one)
Quarter: (check one):
Bryan K. Cunningham Supervisor, Environmental Operations 545-4439 Order No. 90-09, NPDES No. CA0003751 QUARTERLY 0
ANNUAL 1st 0
2nd 3rd 0
4th 01 Year:
2005 (Annual Reports for DCPP are Jan-Dec)
Violation(s) (Place an X by the appropriate choice):
- o No (there are no violations to report)
D Yes
- Please see "Review of Compliance Record and
;(5
--A-t
Corrective Actions" section PG&E Letter DCL-2006-511 Mr. Briggs February 27, 2006 Page 2 If Yes is marked (complete a-g):
a) Parameter(s) in Violation:
b) Section(s) of WDRINPDES Violated:
c) Reported Value(s) d) WDRINPDES Limit/Condition:
e) Dates of Violation(s)
(reference page of report/data sheet):
f) Explanation of Cause(s):
(attach additional information as needed) g) Corrective Action(s):
(attach additional information as needed)
(If "YES", see overview section of attached report)
(If "YES", see overview section of attached report)
PG&E Letter DCL-2006-511 Mr. Briggs February 27, 2006 Page 3 I certify under penalty of law that this document and all attachments were prepared under my direction or supervision in accordance with a system designed to assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete. The results of the influent and effluent monitoring presented are the observed results of the measurements and analyses required by the monitoring program, and is neither an assertion of the adequacy of any instrument reading or analytical result, nor an endorsement of the appropriateness of any analytical or measurement procedure. I am aware that there are significant penalties for submitting false information, including the possibility of fine and imprisonment for knowing violations.
If you have any questions, please contact Bryan Cunningham of my staff at (805) 545-4439.
Sincerely, Name:
James R. Becker
Title:
Vice President - Diablo Canyon Operations and Station Director 200651 1JLK/kmo
PG&E Letter DCL-2006-511 Mr. Briggs February 27, 2006 Page 4 cc:
Peter von Langen, CCRWQCB 895 Aerovista, Suite 101 San Luis Obispo, CA 93401-7906 California Department of Fish and Game 20 Lower Ragsdale, Suite 100 Monterey, California 93490 Resident Inspector, Terry Jackson U.S. Nuclear Regulatory Commission Diablo Canyon Power Plant 104/5 Regional Administrator U.S. Nuclear Regulatory Commission Region IV 611 Ryan Plaza Dr., Suite 400 Arlington, TX 76011-8064 Director, Division of Reactor Projects U. S. Nuclear Regulatory Commission Region IV 611 Ryan Plaza Dr., Suite 400 Arlington, TX 76011-8064
/Document Control Desk U. S. Nuclear Regulatory Commission Washington, D.C. 20555 Enclosure
ENCLOSURE ANNUAL
SUMMARY
REPORT ON DISCHARGE MONITORING AT THE DIABLO CANYON POWER PLANT (NPDES NO. CA0003751) 2005
PG&E Letter No. DCL-2006-511 2005 Annual Summary Report on Discharge Monitoring at the Diablo Canyon Power Plant TABLE OF CONTENTS PAGE OVERVIEW
SUMMARY
OF MONITORING PROGRAM A.
Monitoring of Plant Influent and Effluent
- 1. Monitoring Data
- 2. Facility Operating and Maintenance Manual
- 3. Laboratories Used to Monitor Compliance
- 4. Review of Compliance Record and Corrective Actions B.
Monitoring of Receiving Water
- 1. Ecological Studies at Diablo Canyon
- 2. In-Situ Bioassay C.
Sodium Bromide Treatment Program APPENDICES 1
1 1
I I
1 2
5 5
5 5
Appendix I -
Appendix 2 -
Appendix 3 -
Appendix 4 -
NPDES Discharge Points Tabular Summaries of Influent and Effluent Monitoring Graphical Summaries of Influent and Effluent Monitoring Summary of RWMP Monitoring for 2005 ENCLOSURE 2 - Errata Information
2005 Annual Summary Report on Discharge Monitoring at the Diablo Canyon Power Plant OVERVIEW A.
This annual summary report follows the format used in quarterly monitoring reports. Analytical results below the respective Reporting Limit are plotted as a ozero" value in accordance with ELAP guidance. Less-than results are plotted conservatively at the value, except oil & grease, which is plotted as 'zero" for <3 values. During 2005, discharges occurred from all discharge paths except 0011, 001K, and 017.
B.
California Ocean Plan Table B substances that were not analyzed for have not been added to the discharge stream. The substances listed in Table B in the 1990 Ocean Plan were each analyzed for and reported in the permit renewal application for Diablo Canyon Power Plant (DCPP) submitted In October 1994 and January 2001. There have been no changes in the activities conducted at the plant that would have significantly affected the results previously reported in the above referenced documents.
SUMMARY
OF MONITORING PROGRAM A. Monitoring of Plant Influent and Effluent
- 1. Monitoring Data
- a. Appendix I provides a list of the discharge path names for ease of reference. Appendix 2 contains monitoring data in tabular form. Appendix 3 contains monitoring data in graphical form.
- b. Annual oil and grease analyses were performed in October on Stormwater/Yard Drain Discharges 005,008,009, 013, and 015. Results were less than 5 mg/I for discharges 005, 009 and 015.
Results for discharges 008 and 013 were 5mg/l and 10 mg/l, respectively. No discharges that resulted in adequate sample quantities occurred from 016 and no discharge occurred from 017 during 2005.
- c. In November, Discharge 001 D (Liquid Radioactive Waste Treatment System) annual grab samples for lithium, boron, and hydrazine were collected and analyzed. The results were 0.008 mg/I, 1480 mg/l, and 0.469 mg/i, respectively.
- 2. Facility Operating and Maintenance Manual Pacific Gas and Electric Company (PG&E) maintains a multiple volume Plant Manual (manual) at DCPP that contains procedures used for operation and maintenance activities at the plant, including those activities that relate to wastewater handling, treatment, sampling, analysis and discharge.
Plant procedures are prepared and reviewed by DCPP Staff and approved by DCPP Management.
DCPP conducts biennial internal audits that review NPDES Plant procedures contained in the manual. Ongoing reviews of Plant procedures are conducted to assure that the manual remains valid, current, and complete for the facility.
1
- 3. Laboratories Used to Monitor Compliance The following laboratories were used during 2005 for monitoring compliance. They are certified under the appropriate agencies for the test/analyses they perform. As part of the on-going annual certification process, these laboratories take part in, and have passed, annual quality performance evaluation testing.
- a.
PG&E Chemistry Laboratory, DCPP, Avila Beach, California (Lab Certification # CA01036)
- b.
Aquatic Bioassay Consultants, Ventura, California (Lab Certification # CA01907)
- c.
FGL Environmental, Santa Paula, California (Lab Certification # CA00140)
- d.
Creek Environmental, San Luis Obispo, California (Lab Certification # CA00975)
- e.
Columbia Analytical Services, Kelso, Washington (Lab Certification # WA00035)
- 4. Review of Compliance Record and Corrective Actions
- a. Circulating Water Pump Chlorination/Bromination Monitoring The 2005 quarterly NPDES reports discuss chlorination cycles when discharge monitoring was interrupted. These are listed below with a brief description of the cause and corrective action.
When these monitoring interruptions occurred, engineering evaluations (approved by the CCRWQCB January 13, 1994; PG&E Letter No. DCL-94-002) were performed. Detailed descriptions of these evaluations are included in the quarterly reports. The evaluations concluded that discharge chlorine limits were not exceeded in 2005.
Chlorination Cycle Chlorine disch Corrective Date Monitoring interruptions ppb value Cause Action 01/17/05 Unit 1 discharge monitor results not 47 Sand, silt, &
Line flushed to reliable slime clogging and cleaned.
01/20105 supply line 05/12/05 Unit 1 discharge monitor results not 55 Quality control Discharge to accurate sample was monitor was 05/19/05 below lower re-calibrated.
control limit 12/15/05 Unit I discharge monitor results not 60 Quality control Discharge to accurate sample was monitor was 12/31/05 below lower re-calibrated.
control limit
- b. Closed Cooling Water Releases PG&E received concurrence from the CCRWQCB in response to a letter dated July 19, 1995 (PG&E Letter DCL-95-156), for the use of the biocides glutaraldehyde and isothiazoline to control microbiological growth and corrosion in DCPP's closed cooling water systems. Any drainage from these systems is discharged at a flow-rate such that the chronic toxicity level is below the 'No Observable Effect Concentration' (NOEC) at NPDES Discharge 001. The volumes of cooling water drained in 2005 from the component cooling water (CCW), intake cooling water (ICW), and service cooling water (SCW) systems are presented below. The glutaraldehyde and isothiazoline concentrations presented in the table below are system concentrations, not concentrations discharged.
2
SyVolume I Glutaraldehyde Isothiazoline Reason &
Date stem (gal) l mg9 /I (mg) l Comment 02114/05 Unit 2 CCW 175 132 2
Routine maintenance.
02121/05 Unit 2 CCW 175 132 2
Routine maintenance.
05/01/05 Unit 2 SCW 1
191 3.9 Routine maintenance.
05/26/05 Unit 2 SCW 225 141 4.3 Routine maintenance 07/01/05 Unit 1 ICW 1,150 172 5.7 Routine maintenance 07/06/05 Unit 2 ICW 1,150 158 2.8 Routine maintenance 10/26/05 Unit I SCW 465 269 1.8 Due to leaking valve to
- 15 gallons per day 11/26/05 for 31 days.
10/27/05 Unit 1 SCW 25 198 1.8 Routine maintenance 11/08/05 Unit 1 SCW 15 269 1.8 Routine maintenance 12114/05 Unit 2 SCW 33,000 162 8.6 Routine maintenance.
- c.
Injections of sulfur hexafluoride (SF6)
Injections of sulfur hexafluoride (SF6) into DCPP's condensers were performed to detect saltwater leaks during this year. CCRWQCB's Sorrel Marks concurred during conversations held in May 1996 that periodic use of SF6 would not increase DCPP's probability of exceeding NPDES permit limitations.
Duration Injection Rate of SF6 Date Number of Injections (sec)
(Standard Cubic Feet per Minute) 05124/05 2
60 14 08/01/05 5
60 5
- d. January On January 16, 2005 a pipe burst at the onsite reverse osmosis plant releasing purified freshwater at approximately 225 gallons per minute into the ditch going to storm drain discharge point 005. The pipe burst some time during the night. In the worst case, the release would have lasted 13 hours1.50463e-4 days <br />0.00361 hours <br />2.149471e-5 weeks <br />4.9465e-6 months <br /> before the rupture was discovered, and the water supply was shut down.
This would have released a maximum of 175,500 gallons of purified freshwater. Regional Board staff were notified on January 20, 2005 after PG&E Environmental personnel were informed of the incident.
- e. May On May 10, 2005, oil and grease analysis of a sample from chemical drain tank 0-1 (CDT 0-1) by hexane extraction gave a result of 67 mg/L. This value apparently exceeded the monthly and daily limits (15 mg/L and 20 mg/L, respectively) for discharge pathway 001D. The CDT 0-1 had been discharged on April 10, 2005 based on the result of freon extraction analysis performed at that time which gave a non-detect result. Investigation showed that the greater result obtained with the hexane extraction method had been caused by the presence of liquid scintillation (LS) solution in the sample. The material's chemical composition makes it partially extractable by the hexane analysis method for oil and grease. This was verified by addition of a known amount of LS solution to a sample, followed by hexane extraction. Back calculation of the amount of LS solution in the CDT based on the recovery of the known addition agreed with the actual composition of the tank. For this reason, the 67 mg/L value has been determined to be a false positive result for oil and grease. Regional Water Quality Control Board staff were notified of the issue on May 11, 2005. To prevent recurrence of this event, all waste LS solution is being segregated for disposal by incineration at an approved off-site facility.
3
- f. July Two samples from flow path 001 0 were taken on July 6, 2005 for oil and grease analysis in the Diablo Canyon Power Plant laboratory. These samples were analyzed on August 12, 2005; nine days in excess of the 28-day maximum holding time. When analyzed, the results were a non-detect (<5 mgIL) and 7.4 mgIL. These results are well below both the 15 mg/L monthly average limit and the 20 mg/L daily maximum limit. Because the samples had been acidified and refrigerated since collection, it is unlikely that the values at 28 days would have been significantly different than results of the August 12, 2005 analysis.
One sample from flow path 001 N was taken on July 8, 2005 for settleable solids analysis. The sample was received at the contract laboratory where it was to be analyzed later on that same day. However, the analysis was not performed until July 12, 2005; two days in excess of the 48-hour maximum holding time. The result of the analysis was a non-detect (< 0.1 mVL). It is believed that exceeding the hold time had no significant effect on the result because detectable settleable solids have not historically been observed in flow path 001 N at DCPP. Therefore, it is unlikely that the monthly average limit of 1.0 mI/L or the daily maximum limit of 3.0 ml/L would have been approached had the analysis been performed as initially scheduled.
- g. August On August 17, 2005, an unusually high Total Suspended Solids (TSS) value of 110 mg/I for 001 N was detected. Other TSS values for 001 N during August were <5 mg/I, 9 mg/l, and 6 mg/I. Therefore, the monthly average for August was well below the limit of 60 ppb. Since, there is no maximum limit for TSS, and the monthly average remained well below the 60 mg/l limit, DCPP did not exceed the TSS limit during for 001N.
- h. October An error at a contract laboratory resulted in the analysis of the suspended solids sample from discharge 001 N being performed one day after the allowed 7-day holding time. The sample was taken on October 6, 2005 and was received at the contract laboratory for analysis on the same day. This was the second event of this type since July 1, 2005. The laboratory was requested to identify their corrective actions to prevent reoccurrence. The Laboratory's response was received on 1212105, and more documented attention to detail has been observed in that laboratory's reports.
In early October, clean freshwater from the Unit I condensate system was drained prior to maintenance on the system through discharge point 001 F instead of 001 J. This is the isolated section of the condensate system that cannot be drained via the normal pathway of 001J. The volume of this drainage was estimated at less than 2000 gallons, of which the majority was received by the turbine building sump that was ultimately released via discharge point 001 F. A fraction of the volume was also received by the hold-up sump that seasonally discharges via point 009. Analysis results for total suspended solids and oil and grease from a representative sample before the system was drained were less than the respective method detection limits of 1.4 and 0.5 mg/L, respectively, and are reported in the October DSMR.
- i.
December On January 6, 2006, the result for the weekly quality control (QC) check at the continuous chlorine monitor on Unit 1 at the 001 discharge was observed to be less than the lower acceptance limit for this test. Therefore, an engineering evaluation to verify the accuracy of Unit 1 chlorine values in late December was required. The engineering evaluation was performed for total residual chlorine back to the successful QC check on December 28, 2005.
Conservative estimates from this evaluation were used to replace any questionable readings from the monitor. All of the actual or estimated results were well below the applicable discharge limit of 89 pg/L for the period.
4
B.
Monitoring of Receiving Water
- 1.
Ecological Studies at Diablo Canyon Marine ecological monitoring was continued during 2005 under the Receiving Water Monitoring Program (RWMP) as requested in a'letter from the Central Coast Regional Water Quality Control Board (CCRWQCB) dated December 9, 1998, and as detailed in a letter from PG&E dated January 8, 1999 (DCL-99-503). This program includes tasks from the Ecological Monitoring Program (EMP) with additional stations and increased sampling frequencies. This program replaces the EMP and the Thermal Effects Monitoring Program (TEMP). Several one-year-only tasks outlined in the above letters were completed in 1999 and were again not requested to be performed in 2005. Results of 2004 RWMP data were submitted to the CCRWQCB on April 29, 2005. A table in Appendix 4 summarizes requirements and completed tasks for 2005. One station in the fourth survey of Benthic Surveys was not completed due to poor ocean conditions from December 2005 through January 2005.
- 2.
In Situ Bioassay Results of the Mussel Watch Program are reported to the CCRWQCB directly from the California Department of Fish and Game in their periodic report for this program.
C.
Sodium Bromide Treatment Proaram DCPP continued its integrated sodium bromide and "foul release coating" strategy to control macrofouling in the Circulating Water System (CWS). The treatment program consists of six 20-minute injections (at four hour intervals) of a blend of generic sodium bromide and sodium hypochlorite intoDCPP's intake conduits. Each injection attempts to achieve a target concentration of 200 parts per billion (ppb) Total Residual Oxidant (TRO) at the inlet waterbox of the condenser.
Discharge TRO, measured at the plant outfall, remained below NPDES limitations, and typically were between approximately 20 ppb to 60 ppb. In conjunction with the chemical treatment, untreated portions of the cooling water system were previously painted with a non-toxic "foul release coating" to help prevent attachment of fouling organisms.
Both conduits of Unit I were treated throughout the first three quarters of 2005 with simultaneous injections of sodium bromide and sodium hypochlorite six times a day. There were brief interruptions in early January, early February (tunnel cleaning), late March, early April, June, and August for routine maintenance activities and one system operation error. After the first 10 days in October 2005, sodium bromide injections were shut down in preparation for the I R1 3 refueling outage. Microfouling injections of sodium hypochlorite continued six times a day until October 21, 2005 when injections were shut down for the refueling outage. Simultaneous injections of sodium hypochlorite and sodium bromide were restarted near the end of November 2005 and continued through the rest of the quarter with one brief interruption due to dechlorination injection pump problems.
Both conduits of Unit 2 were treated throughout 2005 with simultaneous injections of sodium bromide and sodium hypochlorite six times a day with brief interruptions in treatment in early and late March, early April, August, mid-September (tunnel cleaning), and October due to routine maintenance activities and one system operation error.
5
APPENDIX I DIABLO CANYON POWER PLANT NPDES DISCHARGE POINTS DISCHARGE NUMBER DESCRIPTION 001 Once-Though Cooling Water 001 A Firewater Systems 001 B Auxiliary Salt Water Cooling System 001 C Discharge Deleted 001 D Liquid Radioactive Waste Treatment System 001 E Service Cooling Water System 001 F Turbine Building Sump 001 G Make-Up Water System Waste Effluent 001 H Condensate Demineralizer Regenerant 001 I Seawater Evaporator Blowdown 001 J Condensate Pumps Discharge Header Overboard 001 K Condenser Tube Sheet Leak Detection Dump Tank Overboard 001 L Steam Generator Blowdown 001 M Wastewater Holding and Treatment
-__.System 001 N Sanitary Wastewater Treatment System 001 P Seawater Reverse Osmosis System Blowdown 002 Intake Structure Building Floor Drains 003 Intake Screen Wash 004 Blo Lab and Storm Water Runoff 005, 008, 009, 013, 014, 015 Yard Storm Drains 006, 007, 010, 011, 012 Storm Water Runoff 016 Blo Lab Seawater Supply Pump Valve Drain 017 Seawater Reverse Osmosis System Blowdown Drain
APPENDIX 2 TABULAR SUMMARIES OF INFLUENT AND EFFLUENT MONITORING
APPENDIX 3 GRAPHICAL SUMMARIES OF INFLUENT AND EFFLUENT MONITORING
APPENDIX 4
SUMMARY
OF RWMP MONITORING FOR 2005 RWMP 1st Survey 2nd Survey 3rd Survey 4th Survey Stations/
Completion Completion Completion Completion Surveys Stations!
Stations!
Stations/
Stationsl Study per Year Dates Dates Dates Dates Horizontal Band Transects 14 / 4x Mar 8 Jun 23 Aug 19 Dec 16 Vertical Band Transects 5 / 4x Mar 9 Jun 22 Aug 1 Dec 15 Benthic Stations 8 /4x May 13 Jun 24 Aug 10 Dec 9 Fish Observation Transects 12 1 4x May 26 Jul 11 Sep 8 Dec 6 Bull Kelp Census
- / 1x Oct 6 Temperature Monitoring 24 Jan-Mar Apr-Jun Jul-Sep Oct-Dec Diablo Cove census Temperature measured throughout the year at 20 minute intervals (14 intertidal and 10 subtidal stations).
One station in the fourth survey of Benthic Surveys was not completed due to poor ocean conditions from December 2005 through January 2005.
ENCLOSURE 2 ERRATA 2005 NPDES DISCHARGE MONITORING REPORTS FOR DIABLO CANYON POWER PLANT ERRATA: July 2005 monitoring data Effluent 002: pH "Monthly Avg', 'Monthly High", and "Monthly Low" were reported as 7.6, 7.6, and 7.6. The correct values are 7.8, 7.8, and 7.8, respectively.
The attached monitoring report page [PAGE: (M) 1] should replace the original July monitoring data page contained in the third quarter NPDES report PG&E DCL-2005-552, dated October 19, 2005.
ERRATA: November 2005 monitoring data Effluent 001 D: Boron "Monthly Avg' was reported as 480.
The correct value is 1480.
The attached monitoring report page [PAGE: (A) 3] should replace the original November monitoring data page contained in the forth quarter NPDES report PG&E DCL-2006-501, dated January 19, 2006.
APPENDIX I DIABLO CANYON POWER PLANT NPDES DISCHARGE POINTS DISCHARGE NUMBER DESCRIPTION 001 Once-Though Cooling Water 001 A Firewater Systems 001 B Auxiliary Salt Water Cooling System 001 C Discharge Deleted 001 D Liquid Radioactive Waste Treatment System 001 E Service Cooling Water System 001 F Turbine Building Sump 001 G Make-Up Water System Waste Effluent 001 H Condensate Demineralizer Regenerant 001 I Seawater Evaporator Blowdown 001 J Condensate Pumps Discharge Header Overboard 001 K Condenser Tube Sheet Leak Detection Dump Tank Overboard 001 L Steam Generator Blowdown 001 M Wastewater Holding and Treatment System 001 N Sanitary Wastewater Treatment System 001 P Seawater Reverse Osmosis System Blowdown 002 Intake Structure Building Floor Drains 003 Intake Screen Wash 004 Bio Lab and Storm Water Runoff 005, 008, 009, 013, 014, 015 Yard Storm Drains 006, 007, 010, 011, 012 Storm Water Runoff 016 Bio Lab Seawater Supply Pump Valve Drain 017 Seawater Reverse Osmosis System Blowdown Drain
APPENDIX 2 TABULAR SUMMARIES OF INFLUENT AND EFFLUENT MONITORING
2005 Annual Summary Report on Discharge Monitoring at the Diablo Canyon Power Plant DISCHARGE 001 INFLUENT Month high low ave MPERATURE (DEG F)
EFFLUENT high low avg DELTA T high avg FLOW (MGD) high low ave JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 57.8 58.8 57.6 54.2 54.1 52.8 55.1 57.1 56.5 55.2 57.8 57.2 56.6 54.5 51.0 48.8 49.2 493 50.5 533 52.2 50.8 53.4 53.3 57.3 56.8 56.3 51.1 51.2 51.1 52.5 55.7 54.2 53.4 55.9 55.8 78.0 78.0 77.9 73.8 73.7 72.5 75.0 77.3 77.1 75.3 77.6 77.1 76A 77.2 74.6 76.3 70.6 75.9 68.3 70.5 68.6 70.7 69.1 70.9 70A 72.4 73.7 75.8 61.7 73.8 59.7 72.8 69.6 74.9
- 63.
74.1 20.4 20.3 20.6 19.6 19.8 20.2 20.1 20.6 20.8 20.9 20.1 20.1 19.9 19.5 19.6 19.5 19.5 19.1 19.9 20.1 19.6 19.3 19.0 18.3 2486 2486 2486 2486 1874 2445 2486 2486 2486 2486 2486 2486 2486 2486 2486 2486 1990 2467 2486 2486 2486 2486 2486 2486 2486 1862 2379 2486 1279 2192 1891 1279 1389 2486 2486 2486 limit:
22 2760 The INFLUENT and EFFLUENT "high" and "low" values correspond to the highest and lowest daily average value for that month. The INFLUENT high and low does not necessarily correspond to the samc day as the high and low for the EFFLUENT for that month. The "avg" for INFLUENT and EFFLUENT Is the average for the entire month. The Monthly Delta T "high" is the highest Delta T for a day of the month based on daily average INFLUENT and EFFLUENT values. The "Avg" Is calculated from INF and EFF monthly avg values.
DISCHARGE 001 TOTAL RESIDUAL CHLORINE (daily max. ug/i)
Month high low avg TOTAL CHLORINE USED (lbs/day) high low
<10
<10
<10
<10 11 11 10
<10
<10
<10
<13
<10 37 36 34 32 36 30 29 27 36 35 13 45 720 526 547 461 461 446 670 734 662 518 504 576 389 230 348 346 379 350 353 168 461 154 245 384 639 427 493 395 415 410 496 668 588 409 339 501 Note that the residual chlorine limits in Permit CA0003751, Order 90-09 is a daily max of 200 ug/i and Includes a time-based limit (per the Ocean Plan) which depends on the length of the respective chlorination cycle.
2005 Annual Summary Report on Discharge Monitoring at the Diablo Canyon Power Plant DISCHARGE 001 METALS (monthly avg. ug1)
- ZINC Month Influent Effluent Influent Effluent Influent Effluent Influent Effluent JAN ND(10)
ND(10)
ND(10)
ND(10)
ND(10)
ND(10) 10 ND(10)
FEB ND(10)
ND(10)
ND(10)
ND(10)
ND(10)
ND(10)
ND(10)
ND(10)
MAR ND(10)
ND(10)
ND(10)
ND(10)
ND(10)
ND(10) 25 ND(10)
APR ND(10)
ND(10)
ND(10)
ND(10)
ND(10)
ND(10) 72 ND(10)
MAY ND(10)
ND(10)
ND(10)
ND(10) 12 16 20 ND(10)
JUN ND(10)
ND(10)
ND(10)
ND(10)
ND(10)
ND(10) 17 ND(10)
JUL ND(10)
ND(10)
ND(10)
ND(10)
ND(10)
ND(10)
ND(10)
ND(10)
AUG ND(10)
ND(10)
ND(10)
ND(10)
ND(10)
ND(10) 23 ND(10)
SEP ND(10)
ND(10)
ND(10)
ND(10)
ND(10)
ND(10) 10 ND(10)
OCT ND(10)
ND(10)
ND(10)
ND(10)
ND(10)
ND(10)
ND(10)
ND(10)
<10 ND(10)
<10
<10
<10
<10
<10
<10 DEC ND(10)
ND(10)
ND(10)
ND(10)
ND(10)
ND(10)
ND(10)
ND(10) 6-month median limit:
10 10 30 70
- Note: Influent zinc has been historically higher than effluent concentrations.
DISCHARGE 001 VARIOUS ANNUAL ANALYSES (monthly avg. ug/l) 6-Mo. Med.
Effluent Parameter Influent Effluent Limit Arsenic 1.3 1.2 30 Cadmium 0.15 0.04 10 Cyanide ND(10)
ND(10) 30 Lead 1.72 0.04 10 Mercury ND(0.2)
ND(0.2) 0.2 Silver ND(0.02)
ND(0.02) 2.9 Titanium ND(10) none
- Phenolic Cmpds ND(104)
ND(104) 150 (non-chlorinated)
- Phenolic Cmpds ND(49)
ND(49) 10 (chlorinated)
- rcs ND(1.40)
ND(1.40) none
- Reporting limit IND(104)I shown is the sum of Individual Reporting Limits for 9 target compounds.
- Reporting limit IND(49)1 shown is the sum of individual Reporting Limits for 6 target compounds.
- Reporting limit IND(1.40)] shown is the sum of individual Reporting Limits for 7 target compounds.
DISCHARGE 001 AMMONIA (as N) (ugl)
Month Influent Effluent JAN FEB MAR ND(200)
ND(200)
APR ND(200)
ND(200)
MAY JUN JUL AUG ND(200)
ND(200)
SEP OCT ND(200)
ND(200)
NOV ND(50) 60 DEC 6-month median limit:
3060
2005 Annual Summary Report on Discharge Monitoring at the Diablo Canyon Power Plant MONTHLY pH (averages)
Discharge:
001 002 003 004 001P Month Influent Effluent JAN 8.0 8.0 8.0 8.0 8.0 7.7 FEB 8.0 8.0 8.1 8.1 8.0 7.7 MAR 8.0 8.0 8.0 S.C 8.0 7.7 APR 7.8 7.8 7.8 7.1 7.1 7.6 MAY 7.8 7.8 7.9 7.9 8.0 7.6 JUN 7.9 7.9 7.9 7.9 7.9 6.6 JUL 7.8 7.8 7.8 7.9 7.8 7.6 AUG 7.9 7.9 8.0 8.0 8.0 7.7 SEP 7.9 7.9 7.9 8.0 8.0 7.7 OCT 7.8 7.8 7.9 7.8 7.9 7.6 NOV 8.0 8.0 7.8 7.9 8.0 7.7 DEC 8.1 8.0 7.8 7.9 7.9 DISCHARGE 001F SUSPENDED GREASE & OIL (mg/1)
SOLIDS (mg/I)
Month high ave bih ave JAN
<3
<3 5
5 FEB
<3
<3 7
6 MAR 4
4 7
7 APR ND(5)
ND(5) 6 6
MAY ND(5)
ND(5) 7 6
JUN ND(5)
ND(5) 7 7
JUL ND(5)
ND(5) 6 6
AUG ND(5)
ND(5) 5 5
SEP ND(5)
ND(5)
ND(5)
ND(5)
OCT ND(5)
ND(5)
ND(5)
ND(5)
NOV ND(5)
ND(5) 7 6
DEC ND(5)
ND(5)
ND(5)
ND(5) limit:
20 15 100 30 Note: "high" limits based upon Daily Maximum limits. "avg" limits based upon Monthly Average Limits.
DISCHARGE 001N (Monthly Summary of Weekly Data)
SUSPENDED SETTLEABLE GREASE & OIL (mg/I)
SOLIDS (mg/I)
S0LIDS (ml/l)
Month high low iv hih low l
JAN 7
ND(5)
<5 13 6
10 ND(0.1)
ND(0.1)
ND(0.1)
FEB 8
ND(5)
<5 26 11 19 ND(0.1)
ND(0.1)
ND(0.1)
MAR ND(S)
ND(5)
ND(5) 39 ND(5) 16 ND(0.1)
ND(0.1)
ND(0.1)
APR ND(5)
ND(5)
ND(5) 14 ND(5) 8 ND(0.1)
ND(0.1)
ND(0.1)
MAY ND(5)
ND(5)
ND(5) 23 ND(5) 13 ND(0.1)
ND(0.1)
ND(0.1)
JUN ND(5)
ND(5)
ND(5) 18 ND(5) 10 ND(0.1)
ND(0.1)
ND(0.1)
JUL ND(5)
ND(5)
ND(5) 11 ND(5) 7 ND(0.1)
ND(0.1)
ND(0.1)
AUG ND(5)
ND(5)
ND(5) 110 ND(5) 31 ND(0.1)
ND(0.1)
ND(0.1)
SEP ND(5)
ND(5)
ND(5) 12 8
10 ND(0.1)
ND(0.1)
ND(0.1)
OCT ND(5)
ND(5)
ND(5) 21 9
14 ND(0.1)
ND(0.1)
ND(0.1)
NOV ND(S)
ND(5)
ND(5) 56 19 42 ND(0.1)
ND(0.1)
ND(0.1)
DEC ND(5)
ND(5)
ND(5) 31 7
17 ND(0.1)
ND(0.1)
ND(0.1) limit:
20 15 60 3.0 1.0 Note: "high" limits based upon Daily Maximum limits. "avg" limits based upon Monthly Average limits.
2005 Annual Summary Report on Discharge Monitoring at the Diablo Canyon Power Plant DISCHARGE 001D, H, L, F, METALS (avg. ug1) 001D 001 H 001L 001F Month Aff Cd Cr Cu At Cd Cr Cu A!
Cd Cr Cu At Cd Cr Cu JAN
<1 1
3 16 ND(10) 1
<10 9S ND(10) ND(10) 1 4
ND(10) 1 ND(10) 7 FEB MAR APR ND(1)
ND(10)
ND(10) 21 ND(2)
ND(10) ND(10) 25 ND(1)
ND(10) ND(10)
<10 ND(2)
ND(10) 15 ND(10)
MAY ND(1)
ND(2)
ND(1)
ND(2)
JUN JUL ND(1)
ND(10)
ND(10) 17 ND(1)
ND(10) 30 37 ND(1)
ND(10) ND(10) ND(10)
ND(1)
ND(10) ND(10) 12 AUG ND(1)
SEP OCT ND(1)
ND(10)
ND(10) 15 ND(10) ND(10) 22 63 ND(1)
ND(10) ND(10)
<10 ND(S)
ND(10) ND(10) 10 NOV DEC limit: none Note: 001D, 001H and COIL analyses performed on quarterly composites. 001F analyses performed quarterly on a composite of weeldy samples.
DISCHARGE 0OlD, H, L, F, METALS (avg. ug/1) 001D 001 H 001L 001F Month Hg Ni Pb Zn Hg Ni Pb Zn Hg Ni Pb Zn Hg Ni Pb Zn JAN ND(0.2) 5 1.7 152 e5 21 4
15 0.2 1
0.2 16 0.6
<5 1
62 FEB MAR APR ND(0.1) 17 ND(10) 337 ND(0.1)
<10 ND(10) 20 ND(0.1) ND(10) ND(10)
<10 ND(0.1) 24 ND(10) 19 MAY ND(0.1)
ND(0.1)
ND(0.1)
ND(Q.1)
JUN JUL 0.2 26 ND(10) 260 0.2 19 ND(10) 20 ND(0.1) ND(10) ND(10) ND(10)
ND(0.1) 25 ND(10) 18 AUG ND(0.1)
SEP OCT ND(0.2) 11 ND(10) 1S8 ND(0.2) 20 ND(10) 15 ND(0.2) ND(S)
ND(10) ND(10)
ND(0.2) 11 ND(10) 21 NOV DEC limit: none Note: 001D, 001H and 001L analyses performed on quarterly composites, except for mecury (due to holding time).
001F analyses performed quarterly on a composite of weeldy samples.
2005 Annual Summary Report on Discharge Monitoring at the Diablo Canyon Power Plant MONTHLY TOTAL SUSPENDED SOLIDS Averages (mg/I)
Month 001D*
001G 001H 0011 001J 001K 0O1L 001M 001P 002 003 JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC
<S
<S 9
6 10 S
<S
<S
<5
<S 9
<5 ND(S)
ND(S)
ND(5)
ND(S)
ND(5)
ND(S)
ND(S)
ND(S)
ND(S)
ND(S)
ND(5)
ND(S)
ND(5)
ND(5)
ND(S)
ND(5)
ND(S)
ND(5)
ND(5)
ND(S)
ND(S)
ND(S)
ND(S)
ND(S)
ND(5)
ND(S)
ND(S)
ND(S)
ND(S)
ND(S)
ND(S) 7 ND(5) 9 ND(S)
ND(S)
ND(S)
ND(S)
ND(S)
<5 5
ND(5)
ND(5) 5 13 ND(5) 10 14 ND(5)
ND(S)
ND(S)
ND(S) 6 ND(S)
ND(S)
ND(S)
ND(S)
ND(S)
ND(S)
ND(S) 7 ND(S) 5 ND(S) 10 ND(S)
ND(S) 11 ND(S)
ND(S)
ND(S) a
-S 7
ND(S)
<5 5
ND(S) 6 ND(5)
ND(S)
ND(S)
Limit:
30 30 30 30 30 30 30 30 30 30
- Discharges from GOID are batched. Monthly averages are flow weighted.
Note: No discharges occurred from 0011 and 001K during 2005.
Blank spots for other discharge points Indicate that no discharge occurred during that particular month.
QUARTERLY GREASE & OIL Averages by Mouth (mg/I)
Month 001D*
C 00G OOIH 0011 OO1J 001K 001L 00iM OO1P 002 003 004 JAN
<3
<3
<3
<3 FEB MAR
<3 APR
<5 ND(5)
ND(S)
MAY ND(S)
JUN ND(S)
JUL
<5 ND(S)
ND(S)
AUG N)D(S)
SEP ND(5)
OCT ND(S)
ND(S)
ND(S)
NOV ND(S)
DEC ND(S)
ND(S)
ND(S)
ND(S)
ND(S)
ND(S)
ND(S)
ND(S)
ND(5)
ND(S)
ND(5)
ND(S)
ND(S)
ND(5)
ND(S)
ND(5)
ND(S)
ND(5)
ND(S)
ND(S)
ND(S)
ND(S)
Limit:
15 15 15 15 15 15 15 15 15 15 15 15
- Discharges from 001D are batched. Monthly averages are flow weighted.
Note: No discharges occurred from 0011 and 001K during 2005.
2005 Annual Summary Report on Discharge Monitoring at the Diablo Canyon Power Plant QUARTERLY ACUTE AND CHRONIC TOXICITY TESTING (toxicity units, tu, and tuj)
ACUTE
- CHRONIC Test 6-Month Test Month Result Median Result JAN FEB 0.00 0.00 1.0 MAR APR MAY 0.00 0.00 1.0 JUN JUL AUG 0.00 0.00 1.0 SEP OCT 0.00 0.00 1.0 NOV DEC 6-month median limit:
0.26 5.1
- It should be noted that this parameter is monitored for the State Ocean Plan Instead of the NPDES permit A value of 1.0 Indicates no chronic toxicity.
DISCHARGE 001N ANNUAL ANALYSES Sludge Parameter Result Limit Percent Moisture 99%
None Total Kjeldahl Nitrogen 65 mg/kg None Ammonia (N) 38 mg/kg None Nitrate (N)
ND(0.1) mgkg None Total Phosphorus IS0 mg/kg None pH 7.0 None Oil and Grease 36 mg/kg None Boron 0.74 mg/kg None Cadmium 0.01 mg/kg 10 X STLC*
Copper 3.9 mg/g 10 X STLC Chromium 0.01 mg/g 10 X STLC Lead 0.13 mg/kg 10 X STLC Nickel 0.01 m/kg 10 X STLC Mercury 0.009 mgkg 10 X STLC Zinc 7.3 mg/kg 10 X STLC Volume 2.54 tons None Note: Annual samples were collected In October
- STLC - Soluble Threshold Limit Concentration
APPENDIX 3 GRAPHICAL SUMMARIES OF INFLUENT AND EFFLUENT MONITORING
2005 Annual Summary Report on Discharge Monitoring at the Diablo Canyon Power Plant DISCHARGE 001 INFLUENT Temperature (P) 90.0 T-80.0 t 70.0 +
60.0 -
1 50.0-i 40.0 -
a i~-...... 1!
30.0 +
20.0 -
7-]Aveng 0
.8I 10.0 0.0-4 I
i I
Ii i
i I
I JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 2005 DISCHARGE 001 EFFLUENT Terpecate r (Pw) 90.0 T 80.0 70.0 -
- 8 R
W 6o.o 4 E50.0 40.0 -
a 30.0 +
20.0 +
rsh
--4-Avenge VO LO 10.0 0.0 i I
i i
i i
i i
I I
JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 2005 Page I of 15
2005 Annual Summary Report on Discharge Monitoring at the Diablo Canyon Power Plant DISCHARGE 001 EFFLUENT Flow (MGD) 3000 -
I!
2500 4 I-12
.2 Ui 2000 4 77~Q
'Ka 1500 -
1000 +
500 S id.-HjgbI
-+Average r-.LW A
u v N JAN FEB MAR APR MAY JUN JUL AUG 2005 SEP OCT NOV DEC 25 20 W. 15 n 10 5
0 DISCHARGE 001 EFFLUENT Monthly Delta TCF) r,1 I
I I
I I
A ge JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 2005 Page 2 of 15
2005 Annual Summary Report on Discharge Monitoring at the Diablo Canyon Power Plant
-4+-Average DISCHARGE 001 Total Chlorine Residual, ugd 90 -
30 -
70 -
60 -
40 30 -
20 -
10 -
I I
I II[
JAN FEB MAR APR MAY JUN 2005 Note: Values plotted at zero were below the reporting limit.
JUL AUG SEP OCT NOV DEC DISCHARGE 001 Total Chlorine Used, pounds per day SGo 700 600
- 500
¢, SOO t 400 a
4 300 200 100 o
I I
I I
I I
JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 2005 Page 3 of 15
2005 Annual Summary Report on Discharge Monitoring at the Diablo Canyon Power Plant DISCHARGE 001 Copper (monthly average, ug4) 12 10 6
4 F
inftent/\\
2
+
aent 0
JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 2005 Note: The analyte was not detected at or above the reporting limit for values plotted at zero.
The 6-month median limit (the most conservative limit) is plotted on this charL The daily maximum limit for Copper Is 50 ugl.
DISCHARGE 001 Nickel (monthl average, ug.l) 35 25 20 +/-
10 --
j
-dr. 10fmnut~
-I -illeJ 51 0a a
I AI k
9k f
9 fi I
w JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 2005 Note: The analyte was not detected at or above the reporting limit for values plotted at zero.
The 6-month median limit (the most conservative limit) is plotted on this chart.
The daily maximum limit for Nickel is 100 ugQL Page 4 of 15
2005 Annual Summary Report on Discharge Monitoring at the Diablo Canyon Power Plant DISCHARGE 001 Zinc (monthly average, uglo SO 60 50 0
Effluent t40 30 20 10 JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 2005 Note: The analyte was not detected at or above the reporting limit for values plotted at zero.
One Influent value was above the 6-month median effluent limit, but the corresponding effluent result was well below the limit.
Both values were well below the daily maximum limit of 380 ug/L The 6-month median limit Is plotted on this chart.
DISCHARGE 001 Chromium (monthly average, ug4J He 1:
10 -
6 4 -
2 WWNW 20 JAN FEB MAR APR MAY JUN 2005 JUL AUG SEP OCT NOV DEC Note: The analyte was not detected at or above the reporting limit for values plotted at zero.
The 6-month median limit is plotted on this chart. The daily maximum limit for chromium Is 40 ug/l.
Page 5 of 15
2005 Annual Summary Report on Discharge Monitoring at the Diablo Canyon Power Plant pH 9.0 5.0 7.0 6.0 a.
5.0 4.0 3.0 2.0 1.0-0.0 J JAN
-rn-S01 Influest A
- -O1 Effluent
-E-*004
-'-go'?P FEB MAR APR MAY JUN JUL AUG SEP OCT NOV 2005 DEC Note: Several data points on this chart overlap.
Discharge 001 Ammonia (as N, ug/h) 3500 7 3000 2500 E 2000 e 1500 -
1000 -
500-6-Month Median Limit
- Influent Effluent En L t
JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 2005 Note: The analyte was not detected at or above the reporting limnit for values plotted at zero.
Influent and Effluent values overlap at three points on this plot.
Page 6 of 15
2005 Annual Summary Report on Discharge Monitoring at the Diablo Canyon Power Plant DISCHARGE 001F Oil & Grease (Maxinmu, mg/l) 25.0 -
20.0 15.0 4 0
0 0
-0 0
E 10.0 +
Daiy Maximum Liumit Mouthly Average Limit
-*-Sample Result (Maximum) 5.0 +
A, U.1 JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 2005 Note: Values plotted at zero were below the reporting limit When sample values were above the detection limit, the maximum values are plotted (March).
DISCHARGE 001F Suspendd Solids (faximumt, mgA)
I Wl 100 80 a
60 40 20 Daily Maximum Limil Monthly Avenage Limit Sample Resuil (Maximum)
O +-
JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 2005 Note: The analyte was not detected at or above the reporting limit for values plotted at zero. When sample values were above the detection limit, the maximum values are plotted (February through August and November).
Page 7 of 15
2005 Annual Summary Report on Discharge Monitoring at the Diablo Canyon Power Plant DISCHARGE 001N Oil & Grease(mgl) 25 20 Id
- In t
t**
15 E--W Dafl Maxfintm LUlft 10 -
MonthbyAvegenk 5
0
+Average 0
JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 2005 Note: Values plotted at zero were below the reporting limit.
High, low and average values overlap at ten points on this plot.
DISCHARGE 0O0N Suspended Solds (mgA) 120
_WMenthLy AvenSg Lbnt 60 _
1ln 40-20 JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 2005 Note: Values plotted at zero were below the reporting limit. The aver ge value in August was below the monthly average limit whlle maximum value was higher. There is no daily or monthly maximum limit for 001N Suspoended Solids.
DISCHARGE 001N Settkabl Sofits (Mtl4) 3.5-3 II al
- 111111111 1
1 2.5~+ Day Mamm Un sit 2.5 Monthly Averap Lbnit E.2 -
+Avergb It 20.
0 JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 2005 Note: Values plotted at zero were below the reporting limit.
ligh, average, and low values overlap at owelve points on this plot.
Page 8 of 15
aI I
2005 Annual Summary Report on Discharge Monitoring at the Diablo Canyon Power Plant DISCHARGE OO1D Quarterly Metals augl) 25 20 15 10 5
0 0 Silver U Cadmium El Chromium O Copper JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 2005 Note: The analyte was not detected at or above the reporting linit for values plotted at zero.
DISCHARGE OD1D Quarterly Metals (ug4) 400 350 300 250 m
200 150 100 50 0
ENickel ELead Zinc 11 Mercury JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 2005 Note: The analyte was not detected at or above the reporting lmit for values plotted at zero.
Page 9 of 15
2005 Annual Summary Report on Discharge Monitoring at the Diablo Canyon Power Plant DISCHARGE OO1F Quarterly Metals (ug4) 16 14 12 10 a Silver
4 2
0 JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 2005 Note: The analyte was not detected at or above the reporting limint for values plotted at zero.
DISCHARGE OO1F Quarterly Meals (ugs 140 120 100 80 60 40 20 0
Niercury ENNIckell ME ead JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 2005 Note: The analyte was not detected at or above the reporting limit for values plotted at zero.
Page 10 of 15
2005 Annual Summary Report on Discharge Monitoring at the Diablo Canyon Power Plant DISCHARGE 001H Quarterly Metals (og) 120 100 80
?60 40 20 a ilver E Cadnuum M Chrondmiu E~per JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 2005 Note: The analyte was not detected at or above the reporting limit for values plotted at zero.
DISCHARGE OO1H Quarterly Metals (qg&7) 25 20 15 0
10 5
- Zinc JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 2005 Note: The analyte was not detected at or above the reporting linit for values plotted at zero.
Page 11 of 15
2005 Annual Summary Report on Discharge Monitoring at the Diablo Canyon Power Plant DISCHARGE OO1L Quarterly Metals (ug4) 4.5 4-3.5 -
3-25 n
2 1.5 1
0.5 0
F Silver
I I
I I
I I
JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 2005 Note: The analyte was not detected at or above the reporting limit for values plotted at zero.
DISCHARGE OO1L Quarterly Metals (uglV is -
16 -
14 -
12 -
10-6-
4 -
2 -
n-
- Mercury lNickel B Lead I EZinc U
I II I
JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 2005 Note: The analyte was not detected at or above the reporting limit for values plotted at zero.
Page 12 of 15
2005 Annual Summary Report on Discharge Monitoring at the Diablo Canyon Power Plant MONTHLY TOTAL SUSPENDED SOLIDS 35 (Average, mg/l) 3011 1
25 U-- Monthly Aveage Libit
- 20.
4 001G E 15-oeoi 10 5
0 11 JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 2005 Note: Points on chart may overlap. Values plotted at zero were below the reporting finit.
MONTHLY TOTAL SUSPENDED SOLIDS (Average, mg/I) 30 l all 25 Monthly Average Lbnit
- 20 COIL 15
-- OOIM 10 O
JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 2005 Note: Points on chart may overlap. Values plotted at zero were below the reporting limit.
MONTHLY TOTAL SUSPENDED SOLIDS (Averagn mg/l) 35 -
301 25 -_
Monthl Avant Lt e20 E 15 003 10 0
JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 2005 Note: Points on chart may overlap. Values plotted at zero were below the reporting limit.
Page 13 of 15
2005 Annual Summary Report on Discharge Monitoring at the Diablo Canyon Power Plant QUARTERLY OIL & GREASE (Average, mg/l) 16 -
14 12 10
- 6 4.-
2 -
0 OOID 1=001H I--Monthl Avenge Lbit I
I I
I I
I I
I I-JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 2005 Note: Values plotted at zero were below the reporting linmt.
QUARTERLY OIL & GREASE (Avcrage, mng4) 16 14 -
12 -
OOIL
=-Mooth I
Avenge MUil 1o--
% 8 -
E 6-4 -
2-0-
JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 2005 Note: Values plotted at zero were below the reporting limit.
QUARTERLY OIL & GREASE (Average, mg./)
16 -
14 -
12-10 -
E 6 -
4 -
2 -
0 -
C10031 1004 Monthly Avenge Unit I
I I
l I
I I
I I
I JAN FEB MAR APR MAY JUN JUL AUG SEP 2005 Note: Values plotted at zero were below the reporting liniit.
2005 Annual Summary Report on Discharge Monitoring at the Diablo Canyon Power Plant ACUTE AND CHRONIC TOXICI
.4-.
v 6.0 5.0 4.0 3.0 2.0 I a ON C
C C
C C
II II C
-a 7=
Chronic Results -
6-mo. Median Acute Limit A
Acute Results -Chronic Limit fl-I 77 l
II V_
1.0 0.0 JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 2005 Page 15 of 15
APPENDIX 4
SUMMARY
OF RWMP MONITORING FOR 2005 RWMP 1st Survey 2nd Survey 3rd Survey 4th Survey Stations/
Completion Completion Completion Completion Surveys Stations!
Stations!
Stations/
Stations!
Study per Year Dates Dates Dates Dates Horizontal Band Transects 14 / 4x Mar 8 Jun 23 Aug 19 Dec 16 Vertical Band Transects 5/ 4x Mar 9 Jun 22 Aug 1 Dec 15 Benthic Stations 8/ 4x May 13 Jun 24 Aug 10 Dec 9 ***
Fish Observation Transects 12/4x May26 Jul 11 Sep 8 Dec 6 Bull Kelp Census
- 1x Oct 6 Temperature Monioring 24 1*
Jan-Mar Apr-Jun Jul-Sep Oct-Dec Diablo Cove census Temperature measured throughout the year at 20 minute intervals (14 intertidal and 10 subtidal stations).
One station in the fourth survey of Benthic Surveys was not completed due to poor ocean conditions from December 2005 through January 2005.
ENCLOSURE 2 ERRATA 2005 NPDES DISCHARGE MONITORING REPORTS FOR DIABLO CANYON POWER PLANT ERRATA: July 2005 monitoring data Effluent 002: pH "Monthly Avg", 'Monthly High', and "Monthly Low" were reported as 7.6, 7.6, and 7.6. The correct values are 7.8, 7.8, and 7.8, respectively.
The attached monitoring report page [PAGE: (M) 1] should replace the original July monitoring data page contained in the third quarter NPDES report PG&E DCL-2005-552, dated October 19, 2005.
ERRATA: November 2005 monitoring data Effluent 001 D: Boron MMonthly Avg" was reported as 480.
The correct value is 1480.
The attached monitoring report page [PAGE: (A) 3] should replace the original November monitoring data page contained in the forth quarter NPDES report PG&E DCL-2006-501, dated January 19, 2006.
CAUFORNIA REGIONALWATER OUALITY DISCHARGE SELF MONITORING REPORT PACIFIC GAS AND ELECTRIC CO.
CONTROL BOARD DIABLO CANYON NUCLEAR POWER PLANT CENTRAL COAST REGION PO BOX 5S S1 HIGUERA AVILA BEACH, CALIF 93424 SAN WIS OBISPO, CA 9340 PAGE. (M) 1 FAaLITY I.D.
YEARIMO/DAY YEARIMOIDAY STATE CODE NPDES PERMIT#
340200(3001 BEGINNIN'G 05 / 07 101 ENDING 0 / 07131 06 CA0003751 STATION INFLUENT EFFLUENTG01 DELTATEMP EFFLUENTOO l
INFLUENT EFFLUENT O1 EFFLUENT X1 P EFFLUENT OOZ ANALYSIS TEMPERATURE TEMPERATURE TEMPERATURE FLOW pH pH pH pH UNITS DEGREES F
DEGREES F
DEGREES F
MGD pH UNITS pH UNITS pH UNITS pH UNITS SMPL TYPE METERED METERED METERED RECORDED GRAB GRAB GRAB GRAB FREQ.
CONTNJOUS CONTINUOUS CONTINUOUS DAILY MONTHLY MONTHLY(-)
MONTHLY MONTHLY I
51.7 71.6 19.9 2486 2
52.1 72.1 20.0 2486 3
52.3 722 19.9 2486 4
52.2 722 20.0 2486 5
51.5 714 19.9 2486 6
51.0 70.8 19.8 2486 7
512 71.1 19.9 2486 7.8 7.8 8
51.3 712 19.9 2486 9
51A 70.9 19.5 2486 10 51.0 70.9 19.9 2486 II 50.5 70.4 19.9 2486 2
7.6 2
7.8 12 522 722 20.0 2486 13 52.6 72.6 20.0 2486 14 51.5 71.4 19.9 2486 15 5Z5 72.4 19.9 2486 16 53.2 73.3 20.1 2486 17 52.5 72.4 19.9 2486 18 52.3 72.3 2D.0 2486 19 51.5 712 19.7 2486 20 51.9 71.8 19.9 2488 21 52.1 71.9 19.8 2486 22 52.1 71.9 19.8 2486 23 53.0 72.8 19.8 2486 24 53.9 73.8 19.9 2486 25 534 73.3 19.9 2486 26 53.4 73.3 19.9 2486 27 53.0 73.8 20.0 2486 28 54.6 74.6 20.0 2486 29 55.1 75.0 19.9 2486 30 54.7 74.7 20.0 2486 31 55 74.8 19.9 2486 MONTHLYAVG 52.5 72.4 19.9 2486 7.8 7.8 7.6 7.8 MONTHLYHIGH 55.1 75.0 20.1 2486 7.8 7.8 7.6 7.8 MONTHLY LOW S5 70.4 19.5 2486 7.8 7.8 7.6 7.8 ESEXCEEDED NO LIMIT NO UMIT MAX22=0 MAX 2760 0 NO UMIT NO UMIT NO UMIT NO UMIT IUES EXCEEDED M)
ES EXCEEDED REMARKS:
- NUMBER OF SAMPLES TAKEN DURING THE DAY.
EXCEPT DURING DEMUSSELING.
DAILY WHEN DISCHARGING CHEMICAL CLEANING WASTES FROM DISCHARGES 001 D F, I, L ANDIOR M.
CALIFORNIA REGIONAL WATER QUALITY DISCHARGE SELF MONITORING REPORT PACIFIC GAS AND ELECTRIC CO.
CONTROL BOARD DIABLO CANYON NUCLEAR POWER PLANT CENTRAL COAST REGION PO BOX 56 81 HIGUERA AVILA BEACH, CAUF 93424 SAN LUIS OBISPO. CA 93401 PAGE: (A) 3 FACILITY I.D.
YEAR/MO/DAY YEAR/MO/DAY STATE CODE NPDES PERMITe 3 402003001 BEGINNING 05 / 11 /01 ENDING 05 1 11 130 06 CA0003751 STATION INFLUENT EFFLUENT001 EFFLUENT X1D EFFLUENT 001D EFFLUENT 001D EFFLUENT 0o0 EFFLUENTC08 ANALYSIS CHLOR PHENOL CHLOR PHENOL LITHIUM BORON HYDRAZINE 0L & GREASE 0L & GREASE UNITS ugi ugn VI rgf1 MO mgfl VI SMPLFTYPE GRAB GRAB GRAB GRAB GRAB GRAB GRAB FREQ.
OCTOBER OCTOBER OCTOBER OCTOBER OCTOBER OCTOBER OCTOBER 2
ND(49)
ND(49) 3 4
5 6
7 8
9 0.008 1480 0.469 10 I11 1 2 1 3 1 4 15 16 1 7 18 19 20 21 22 23 24 25 26 27 28 29 80 31 REARKS:
-UMBER-O-SAtE TAE WRN
-H DY MONTHLY AVG U
MT49)
S F
- 49) 0.008 1480 0.489 MONTlILY HIGH IND(49)
ND49) 0.008 1480 0.469 MONTHLY LOW ND(49)
ND(49)
.081480 0.469 TIES EXCEEDED NO LIMIT GM-MED 10=0 NO LIMIT NO LIMIT NO LIMIT MO AVG 15=0 MO AVG 15=0 liES EXCEEDED DMAX 20=0 DMAX 2DO=
DMAX 20=0 TMSEXCEEDED IMAX 50=0 REMARKS:
NUMBER OFSAMAPLES TAKEN DURING THE DAY.
REPORTING LIMIT FOR THIS PARAMETER IS THE SUIM OF REPORTING LIMITS FOR 6 SEPARATE ANALYTES.