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0MIThames <br /> Stockton <br /> December 5,2007 <br /> SENT VIA FED EX <br /> TRACKING#7997 6374 3504 <br /> Kim A. Schwab,P.G. <br /> California Regional Water Quality Control Board E C <br /> Central Valley Region <br /> 11020 Sun Center Drive#200 DE C' 1 T_ 2 0 0 7 <br /> Rancho Cordova,CA 95670 <br /> SAN J10AQL,1i14 "-',',AJNTY <br /> ENVIRO NM04'AL i iEALrH DEPT <br /> ILLICIT DISCHARGE NOTIFICATION REPORT-FINAL <br /> This illicit discharge notification report is submitted in compliance with requirements of the City of Stockton's <br /> N.P.D.E.S.Permit#CAS083470. <br /> Location: NexFrame,4819 Fite Ct,Stockton,CA 95215 <br /> Date: Notified of potential illicit discharge on May 11,2007 at 9:00 a.m. <br /> Notification: Notified by San Joaquin County Environmental Health Dept. Notification based on NexFrame site <br /> inspection conducted by San Joaquin Co. Environmental Health Dept. and Dept. of Toxic <br /> Substances Control on April 10,2007(report enclosed). <br /> Cause: Dumping of floor sweeper wastewater from metal cutting operations to stormwater system. <br /> Contaminated solids in stormwater drainage area at rear of NexFrame facility. <br /> Duration: Contamination may have been washed into stormwater system during rain events for a period of <br /> more than one year(on-going illicit discharge). <br /> Substance:. Metal filings from metal cutting operations containing elevated concentrations of zinc and <br /> chromium. <br /> Quantity: Unknown quantity of contaminates entered stormwater system over an extended period of time. <br /> Responsible Party: <br /> Name: NexFrame <br /> Address: 4819 Fite Court,Stockton,California 95206 <br /> Contact: Anthony Norris,Plant Manager <br /> Phone Number: (209)463-1313 <br /> Containment: Residual surface solids were contained on-site and removed on May 15,2007.The down <br /> stream stormwater pump station on Newcastle Rd at Weber Slough was taken off-line on <br /> May 11,2007 to prevent any additional contamination from entering receiving water. <br /> Receiving Water: Runoff from this site may have been discharged to Weber Slough over a one year period. <br /> The slough was dry at the time of the inspection. <br /> Receiving Water Impact: Observation of discharge area,including upstream and downstream locations,on <br /> May 11,2007 determined no evidence of environmental impact. Discharge area <br /> was dry at the time of inspection. <br /> 0MI/Tharnes Water Stockton, Inc. <br /> 2516 Navy Drive - Stockton, CA 95206 <br /> Tel 209.937.8763- Fax 209.937.8720 <br />