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Category:NPDES NONCOMPLIANCE NOTIFICATION
MONTHYEARHL-2260, NPDES Noncompliance Notification:On 920529,all 3 Unit 1 Cooling Towers Were Overflowing.Caused by Restriction in Cooling Tower Return Flow.Cooling Tower Screens Cleaned1992-06-11011 June 1992 NPDES Noncompliance Notification:On 920529,all 3 Unit 1 Cooling Towers Were Overflowing.Caused by Restriction in Cooling Tower Return Flow.Cooling Tower Screens Cleaned ML20087A5031992-01-0303 January 1992 NPDES Noncompliance Notification:On 911230 Sample Indicated That Chlorinated Water Was Being Discharged to Altamaha River.Caused by Failure of Valve Which Isolates Chlorine Addition Sys from Svc Water Sys Intake.Valve Replaced HL-2002, NPDES Noncompliance Notification:On 911230,chlorinated Water Discharged Into Altamaha River Due to Internal Failure of Valve Which Isolates Chlorine Addition Sys from Svc Water Sys Intake.Failed Valve Replaced1992-01-0303 January 1992 NPDES Noncompliance Notification:On 911230,chlorinated Water Discharged Into Altamaha River Due to Internal Failure of Valve Which Isolates Chlorine Addition Sys from Svc Water Sys Intake.Failed Valve Replaced HL-1925, NPDES Noncompliance Notification:On 911107,sample from Cooling Tower Basin Recorded Value Greater than 2 Ppm Free Available Chlorine/Total Residual Chlorine.Caused by Malfunction of Valve Torque Switch.Valve Manually Secured1991-11-15015 November 1991 NPDES Noncompliance Notification:On 911107,sample from Cooling Tower Basin Recorded Value Greater than 2 Ppm Free Available Chlorine/Total Residual Chlorine.Caused by Malfunction of Valve Torque Switch.Valve Manually Secured ML20133F2401985-07-30030 July 1985 NPDES Noncompliance Notification:On 850620,6,000 Gallons of Glycol Solution Discharged Into Altamaha River.State of Ga,Environ Protection Div Granted Util Permission for Disposal on 850619 ML19320A7011980-06-27027 June 1980 NPDES Noncompliance Notification:On 800619,at Full Power Operation,Circulating Water Chlorination Sequence Was Automatically Activated,Resulting in Release of Free Available Chlorine in Cooling Water Blowdown ML19323E4181980-05-16016 May 1980 NPDES Noncompliance Notification:On 800512,facility Circulating Overflow Exceeded NPDES Limit of 0.2 Ppm Average Residual Chlorine & 0.5 Ppm Max Residual Chlorine. Chlorine Analyzer Repaired & Returned to Svc 1992-06-11
[Table view] Category:TEXT-ENVIRONMENTAL REPORTS
MONTHYEARHL-5778, Ei Hatch Nuclear Plant Radiological Environ Operating Rept for 1998. with1998-12-31031 December 1998 Ei Hatch Nuclear Plant Radiological Environ Operating Rept for 1998. with HL-5780, Ei Hatch Unit 1 & 2 Annual Rept of Plant Radioactive Effluent Releases for 1998. with1998-12-31031 December 1998 Ei Hatch Unit 1 & 2 Annual Rept of Plant Radioactive Effluent Releases for 1998. with HL-5773, 1998 Annual Environ Operating Rept (Nonradiological), for Ei Hatch Plant,Units 1 & 2.With1998-12-31031 December 1998 1998 Annual Environ Operating Rept (Nonradiological), for Ei Hatch Plant,Units 1 & 2.With ML20154B8941998-09-28028 September 1998 Environ Assessment & Finding of No Significant Impact Re Licensee Dose Assessment for Plant.Commission Has Determined Not to Prepare Environ Impact Statement for Proposed Action HL-5621, Annual Radioactive Effluent Release Rept for Ei Hatch Nuclear Plant Covering Jan-Dec 19971997-12-31031 December 1997 Annual Radioactive Effluent Release Rept for Ei Hatch Nuclear Plant Covering Jan-Dec 1997 HL-5618, 1997 Annual Environ Operationg Rept, for Ei Hatch Nuclear Plant,Units 1 & 21997-12-31031 December 1997 1997 Annual Environ Operationg Rept, for Ei Hatch Nuclear Plant,Units 1 & 2 HL-5630, Ei Hatch Nuclear Plant Radiological Environ Operating Rept for 19971997-12-31031 December 1997 Ei Hatch Nuclear Plant Radiological Environ Operating Rept for 1997 ML20211N6371997-10-10010 October 1997 NPDES Permit GA0004120,issued to Southern Nuclear Operating Co ML20140J0701997-04-15015 April 1997 Amend to NPDES Permit GA0004120 Issued to Southern Nuclear Operating Co HL-5344, Annual Environ Operating Rept for 19961996-12-31031 December 1996 Annual Environ Operating Rept for 1996 ML20138G5511996-12-31031 December 1996 Ei Hatch Nuclear Plant Annual Radioactive Effluent Release Rept for Jan-Dec 1996 HL-4553, Edwin I Hatch Nuclear Plant Radiological Environ Operation Rept,19961996-12-31031 December 1996 Edwin I Hatch Nuclear Plant Radiological Environ Operation Rept,1996 HL-5127, Ei Hatch Nuclear Plant Annual Environ Surveillance Rept for 19951995-12-31031 December 1995 Ei Hatch Nuclear Plant Annual Environ Surveillance Rept for 1995 HL-5149, Ei Hatch Nuclear Plant Annual Radioactive Effluent Release Rept for Jan-Dec 19951995-12-31031 December 1995 Ei Hatch Nuclear Plant Annual Radioactive Effluent Release Rept for Jan-Dec 1995 HL-5147, Ei Hatch Nuclear Plant Radiological Environ Operating Rept for 19951995-12-31031 December 1995 Ei Hatch Nuclear Plant Radiological Environ Operating Rept for 1995 HL-4785, Fitness for Duty Performance Data for six-month Reporting period,Jul-Dec 19941994-12-31031 December 1994 Fitness for Duty Performance Data for six-month Reporting period,Jul-Dec 1994 HL-4831, Ei Hatch Nuclear Plant Units 1 & 2 Annual Rept Plant Radioactive Effluent Releases Jan-Dec 19941994-12-31031 December 1994 Ei Hatch Nuclear Plant Units 1 & 2 Annual Rept Plant Radioactive Effluent Releases Jan-Dec 1994 ML20082L1971994-12-31031 December 1994 Ei Hatch Nuclear Plant Radiological Environ Surveillance Rept for 1994 ML20092K2521994-12-31031 December 1994 Revised Pages to Plant Hatch Annual Radioactive Effluent Release Rept 1994 HL-4813, Annual Environ Surveillance Rept1994-12-31031 December 1994 Annual Environ Surveillance Rept HL-4515, Semiannual Radioactive Effluent Release Rept for Jul-Dec 19931993-12-31031 December 1993 Semiannual Radioactive Effluent Release Rept for Jul-Dec 1993 HL-4537, Annual Environ Surveillance Rept for 19931993-12-31031 December 1993 Annual Environ Surveillance Rept for 1993 ML20065P2221993-12-31031 December 1993 Ei Hatch Nuclear Plant Annual Radiological Environ Surveillance Rept for 1993 HL-3428, Plant Ei Hatch,Units 1 & 2 Semiannual Radioactive Effluent Release Rept,Jan-June 19931993-06-30030 June 1993 Plant Ei Hatch,Units 1 & 2 Semiannual Radioactive Effluent Release Rept,Jan-June 1993 HL-2371, Plant Ei Hatch Units 1 & 2 Semiannual Radioactive Effluent Release Rept,Jan-June 19921992-06-30030 June 1992 Plant Ei Hatch Units 1 & 2 Semiannual Radioactive Effluent Release Rept,Jan-June 1992 HL-2260, NPDES Noncompliance Notification:On 920529,all 3 Unit 1 Cooling Towers Were Overflowing.Caused by Restriction in Cooling Tower Return Flow.Cooling Tower Screens Cleaned1992-06-11011 June 1992 NPDES Noncompliance Notification:On 920529,all 3 Unit 1 Cooling Towers Were Overflowing.Caused by Restriction in Cooling Tower Return Flow.Cooling Tower Screens Cleaned ML20087A5031992-01-0303 January 1992 NPDES Noncompliance Notification:On 911230 Sample Indicated That Chlorinated Water Was Being Discharged to Altamaha River.Caused by Failure of Valve Which Isolates Chlorine Addition Sys from Svc Water Sys Intake.Valve Replaced HL-2002, NPDES Noncompliance Notification:On 911230,chlorinated Water Discharged Into Altamaha River Due to Internal Failure of Valve Which Isolates Chlorine Addition Sys from Svc Water Sys Intake.Failed Valve Replaced1992-01-0303 January 1992 NPDES Noncompliance Notification:On 911230,chlorinated Water Discharged Into Altamaha River Due to Internal Failure of Valve Which Isolates Chlorine Addition Sys from Svc Water Sys Intake.Failed Valve Replaced ML20094G7251991-12-31031 December 1991 Semiannual Radioactive Effluent Release Rept for Jul-Dec 1991 ML20094G7361991-12-31031 December 1991 Joint Frequency Tables of Wind Speed & Wind Direction 60m Vs Delta Temp 60-10m for Jan-Dec 1991 HL-2121, Annual Environmental Surveillance Rept - 19911991-12-31031 December 1991 Annual Environmental Surveillance Rept - 1991 HL-2173, Annual Radiological Environ Surveillance Rept,CY91. W/1991-12-31031 December 1991 Annual Radiological Environ Surveillance Rept,CY91. W/ HL-1925, NPDES Noncompliance Notification:On 911107,sample from Cooling Tower Basin Recorded Value Greater than 2 Ppm Free Available Chlorine/Total Residual Chlorine.Caused by Malfunction of Valve Torque Switch.Valve Manually Secured1991-11-15015 November 1991 NPDES Noncompliance Notification:On 911107,sample from Cooling Tower Basin Recorded Value Greater than 2 Ppm Free Available Chlorine/Total Residual Chlorine.Caused by Malfunction of Valve Torque Switch.Valve Manually Secured HL-1785, Georgia Power Co Plant,Ei Hatch Units 1 & 2 Semiannual Radioactive Effulent Release Rept,Jan-June 19911991-06-30030 June 1991 Georgia Power Co Plant,Ei Hatch Units 1 & 2 Semiannual Radioactive Effulent Release Rept,Jan-June 1991 ML20029A6841990-12-31031 December 1990 Plant Ei Hatch Semiannual Radioactive Effluent Release Rept Jul-Dec 1990. W/910227 Ltr HL-1541, Annual Environ Surveillance Rept for 19901990-12-31031 December 1990 Annual Environ Surveillance Rept for 1990 ML20073D5761990-12-31031 December 1990 1990 Annual Radiological Environ Surveillance Rept HL-1251, Semiannual Radioactive Effluent Release Rept for Jan-June 19901990-06-30030 June 1990 Semiannual Radioactive Effluent Release Rept for Jan-June 1990 ML20042E8711989-12-31031 December 1989 Annual Radiological Environ Surveillance Rept CY89. W/ 900426 Ltr ML20012B8401989-12-31031 December 1989 Semiannual Radioactive Effluent Release Rept for Jul-Dec 1989. W/900301 Ltr ML20246F5041989-06-30030 June 1989 Semiannual Radioactive Effluent Release Rept for Jan-June 1989 ML20245C2381988-12-31031 December 1988 Annual Radiological Environ Surveillance Rept CY88. W/ ML20235V5381988-12-31031 December 1988 Semiannual Rept Plant Radioactive Effluent Releases, Jul-Dec 1988 ML20153C6401988-06-30030 June 1988 Semiannual Rept Plant Radioactive Effluent Releases Jan-June 1988 ML20147B2281987-12-31031 December 1987 Semiannual Rept,Plant Effluent Releases,Jul-Dec 1987. W/ ML20151W1221987-12-31031 December 1987 Environ Radiation Monitoring Rept for 1987 ML20151V9571987-12-31031 December 1987 Annual Radiological Environ Surveillance Rept for CY87 ML20151B5741987-12-31031 December 1987 Augmented Radiological Surveillance Monitoring, for 1987 ML20150E7201987-12-31031 December 1987 Annual Environ Surveillance Rept for 1987 ML20235V5161987-12-31031 December 1987 Revised Pages to Semiannual Rept Plant Radioactive Effluent Releases,Jul-Dec 1987 1998-09-28
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pt A?iT E. I . dl A T C51 Report of' NPDES Chlorine Limit Violation i
Mr. R. 11 . Bohler
On ita y 12, 1980, IInit T. I circ. water o ve r fl ow exceeded the Np0ES limit of 0.2 ppm average residual c hl o r i ne and 0.5 ppm maximum residual ch l o r ian e .
The cire. water chlorination was a u t om a t ica11. y started at 1230 hours0.0142 days <br />0.342 hours <br />0.00203 weeks <br />4.68015e-4 months <br />. At 12 5 0 ' hou r s , the technician d i s'c o vere d the tower overflow free chlorine r'esidual to be 0.85 ppm. The l e v e l. of chlorine continued to rise reaching a maximum value of5.0 ppm at 1350 hours0.0156 days <br />0.375 hours <br />0.00223 weeks <br />5.13675e-4 months <br />.
The chlorine concentration remained at a p p reti m a t e l y 5.0 ppm unti.1 the overflow was terminated at 1445 hours0.0167 days <br />0.401 hours <br />0.00239 weeks <br />5.498225e-4 months <br />. We estimate the total time the li ni ts were exceeded to he one hour and fifty-five minutes.
T h,e estimated discharge rate was 5000 gpm.
The chlorine limit was exceeded because of the following conditions:
- 1. The chloriue demand.of the circ. wa ter system uns determined while lin i t II was near f u l l. power operation for several days. The violation occurred when the unit h a d. been shut dowr. for 3 days with, no a p p r e c iibl e heat load on the system. Consequently, chlorine at ~
a high feedrats (predicted when the system had a bish chlorine demand) was injected into the relatively low d emrad system producing the
' high chlorine residuals.
.2 . The free chlorine analyzer u s ed to terninnte the chlorination . cycle if chlorine residuals exceed a predet' ermined set point was out of serv i c e due to a clogged line that feeds the analyzer cell.
To prevent a recurrence, the rollowing actionswill be taken:
- 1. The chlorine analyzer will be repired and returned to service.
- 2. Caution notices will be placed in the app ropri a t e procedures to warn the operator / technician as to the possibilities of chlor *ne demand- changing with pwer- changes and the i consequences- of high chlorine f eedr a t e s on lou demand
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,- sA No further period of non-compliance i s expected as a result of this violation. If. addition'ai information i s r e q,u i r e d , please conta c t- Mr.
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