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Forwards NPDES noncompliance repts re high fecal coliform analysis from effluent & loss of electrical power.
Accession Number: ML20091K978
Date Released: Tuesday, April 14, 2020
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- ML20091K975 - Forwards NPDES noncompliance repts re high fecal coliform analysis from effluent & loss of electrical power. (1 page(s), 1/16/1992)
- ML20091L142 - NPDES noncompliance notification:on 840130 & 31,effluent pH analysis from Outfall 101 (Sewage Treatment Plant) showed values below NPDES of 6 for 48 h.Lime additions were made to increase pH.Emphasized proper disposal of liquid wastes. (1 page(s), 4/24/1984)
- ML20091L221 - NPDES noncompliance notification:on 810605,weekly coliform analysis showed concentration greater than 1609 mpn/100 ml. Caused by contaminated sodium thiosulfate containers used for dechlorination.Housekeeping frequency increased. (1 page(s), 7/24/1981)
- ML20091L085 - NPDES noncompliance notification:on 890412,electrical control relay did not energize which controls operation of wet well pumps via air compressor & pressure bubbler sys. Engineering dept designing back up control sys. (2 page(s), 4/19/1989)
- ML20091L300 - NPDES noncompliance notification:on 801202,sample drawn for routine weekly coliform analysis indicated (on 801204) concentration of greater than 2,000 mpn/100 ml.Caused by unusually high flow to plant.Chlorine tank was drained. (1 page(s), 12/8/1980)
- ML20091L131 - NPDES noncompliance notification:on 840620,Outfall 101 sanitary waste experienced noncompliance re five-day biochemical oxygen demand.On 840625,sample indicating level of 57.7 mg/1 was read,exceeding daily max of 45 mg/1. (1 page(s), 6/28/1984)
- ML20091L072 - NPDES noncompliance notification:on 890313,during cleanup of overflowing floor drains due to main drain header being clogged,cleaners dumped buckets of waste water outside storm drain.Caused by lack of awareness of NPDES requirements. (1 page(s), 3/16/1989)
- ML20091L229 - NPDES noncompliance notification:on 810702,influent sump to site sewage treatment plant overflowed,dumping raw sewage to storm drain.Caused by removal of one lift pump from svc. Proper care will be exercised when performing maint. (1 page(s), 7/8/1981)
- ML20091L196 - NPDES noncompliance notification:on 820219 coliform results from 820217 sample found to be 160 mpn/100 ml.Caused by contaminated sodium thiosulfate chemical addition tank. Condition corrected. (1 page(s), 2/25/1982)
- ML20091L218 - NPDES noncompliance notification:on 810810,operator discovered leakage past drain valve for 12 waste neutralization tank (WNT).Caused by damaged seat of WNT drain valve.Valve replaced. (1 page(s), 8/28/1981)
- ML20091L211 - NPDES noncompliance notification:on 820106,backup sample confirmed pH of 9.1.Caused by high ammonia concentration in yard oil interceptor.No direct cause could be found. Investigation continuing. (2 page(s), 2/25/1982)
- ML20091L287 - NPDES noncompliance notification:on 811012,free available chlorine determined to be .7 mg/1.On 811121,recorded reading of 1.5 mg/l free available chlorine.On 811029,determined coliform reading of 345 MPN/100 mL. (2 page(s), 2/4/1981)
- ML20091L234 - NPDES noncompliance notification:on 810505,discovered 12 waste neutralizing tank (WNT) drain valve was leaking. Valve shut tight to stop leak.No impact on environ could be determined from discharge. (2 page(s), 5/20/1981)
- ML20091L277 - NPDES noncompliance notification:on 810228,effluent sample contained 75.9 mg/l suspended solids.On 810110,13 & 28, coliform readings were 1609 mpn/100 ml,1180 mpn/100 ml & 1609 mpn/100 ml,respectively. (2 page(s), 2/24/1981)
- ML20091L158 - NPDES noncompliance notification:on 830112,Outfall 101, Monitoring Point 101 experienced total residual chlorine of 3 ppm.Caused by failure of pump used to add dechlorinating agent.Spare pumps on site allowed rapid corrective action. (1 page(s), 1/24/1983)
- ML20091L051 - NPDES noncompliance notification:on 911022,during electrical outage no residual chlorine could be identified in routine weekly sample.Fecal coliform analysis yielded concentration greater that daily max limit.Faulty breaker opened manually. (1 page(s), 10/30/1991)
- ML20091L102 - NPDES noncompliance notification:on 880307,temp increase across condensers was experienced for Outfall 001.Caused by mechanical failure causing shut down of circulating water pump.Incident regarded as uncontrollable.No action taken. (1 page(s), 3/8/1988)
- ML20091L264 - NPDES noncompliance notification:on 810206,10,13 & 28, coliform readings were 278 mpn/100 ml,918 mpn/100 ml,1609 mpn/100 ml & 542 mpn/100 ml,respectively.Caused by high flow experienced by sewage treatment plant. (1 page(s), 3/9/1981)
- ML20091L147 - NPDES noncompliance notification:on 830621,Monitoring Point 101 experienced total residual chlorine of 2 ppm.Pump was vented & returned to svc.Due to infrequent & unpredictability of event,no action deemed necessary. (1 page(s), 6/22/1983)
- ML20091L228 - NPDES noncompliance notification:during month of June,no radioactive releases were accomplished through outfall 105B, Miscellaneous Waste Monitor Tank. (1 page(s), 7/24/1981)
- ML20091L170 - NPDES noncompliance notification:on 821015,component yeilded oil & grease & suspended solids higher than permit restrictions.Incident possibly caused by auxiliary bldg drain problem.Temporary analysis program implemented. (2 page(s), 11/22/1982)
- ML20091L153 - NPDES noncompliance notification:on 830126,results indicated coliform concentrations to be 109 MPN/100 ml,exceeding limit of 70 MPN/100 ml.On 830201,suspended solids limitations had value of 46.6 mg/l.Raw sewage pumps were left on manual. (2 page(s), 2/9/1983)
- ML20091L293 - NPDES noncompliance notification:on 801029,results from sample drawn for routine weekly coliform analysis indicated concentration of 345 mpn/100 ml.Caused by high flow to plant soon after start of refueling outage. (1 page(s), 2/2/1981)
- ML20091L034 - NPDES noncompliance notification:on 911209,fecal coliform analysis indicated concentration greater than 1600 mpn/100 ml,exceeding limit.Caused by improper residual chlorine analysis.Test kit comparator replaced. (1 page(s), 12/13/1991)
- ML20091L061 - NPDES noncompliance notification:on 891218,auxiliary boiler blew down releasing approx 6,000 gallons auxiliary boiler water into Chesapeake Bay.Monthly average of 30 mg/liter was exceeded. (3 page(s), 1/10/1990)
- ML20091L188 - NPDES noncompliance notification:on 820602,weekly coliform analysis from Outfall 101 revealed concentration of 79 mpn/ 100 ml.Apparent cause unknown & because of above suggested scenario,cannot be ascertained.Operator reinstructed. (1 page(s), 7/21/1982)
- ML20091L111 - NPDES noncompliance notification:on 871011,increase in temp to 12.1 F was reached on condensers.On 871012,increase in temp to 12.3 was reached on condensers.Caused by reduced flow of cooling water through condensers. (2 page(s), 10/21/1987)
- ML20091L251 - NPDES noncompliance notification:on 810423,outside operator discovered drain valve for 12 waste neutralizing tank (WNT) open.Caused by operator failure to follow procedures. Operators involved received appropriate disciplinary action. (2 page(s), 5/12/1981)
- ML20091L030 - NPDES noncompliance notification:on 911216,sample analysis of fecal coliform indicated concentration greater than 1600 mpn/100 ml sample,exceeding limit.Caused by sodium hypochlorite pump problems.Chlorine concentration increased. (2 page(s), 12/23/1991)
- ML20091L176 - NPDES noncompliance notification:on 820831-0901,approx 6,800 gallons of 5.9 pH water was discharged via Outfall 104 to Chesapeake Bay.Caused by improper valve closure on inlet of discharge tank.Preventive maint schedule implemented. (2 page(s), 9/15/1982)