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4 <br />Pacific Gas a►@ <br />Electric Company <br />August 6, 2001 <br />California Gas Transmission <br />Environmental, Health & Safety <br />Bryan Nicholson, IHIT <br />375 North Wiget Lane, Suite 200 <br />Walnut Creek, CA 94598 <br />9251974-4074, Fax 9251974-4232 <br />0 <br />Mr. Doug Wilson <br />County Of San Joaquin Environmental Health Dept. <br />304 E. Weber St. 3' Floor <br />Stockton, CA 95202 <br />vo <br />Dear Mr. Wilson: j <br />Re: Condensate Release to Soil- PG&E `s Line 196, 1 mile north of 8 mile rd. Stockton CA <br />As per our phone conversation on July 9, 2001, Pacific Gas and Electric Company (PG&E) is <br />providing written notification of a 30 gallon release of condensate liquid to ground which <br />occurred on July 9 at approximately 1:45 pm. The spill occurred from PG&E's Line 196, <br />approximately %2 mile north of 8 mile rd in the stock -ton area. The liquid contained no odor <br />or sheen indicating the presence of hydrocarbons and appeared to be water. <br />Our investigation indicates that the spill was caused by corrosion of the pipe, which caused a <br />pipe failure and the subsequent release. Analytical testing indicated that 43 ppm of diesel <br />range hydrocarbons was present in the liquid. Subsequent testing of the soil (approximately <br />4" below surface) found 2.6 ppm of hydrocarbon present compared to 37 ppm hydrocarbon <br />in a background sample. Attached for your review are the analytical results for the water and <br />soil testing. <br />If your staff requires additional information, please call me directly at (925) 974-4074 or <br />Carol Burke at (925) 974-4078. <br />Sincerely, <br />Bryan Nicholson <br />Sr. Environmental, Health & Safety Specialist <br />CC: Mike Peresy, O.E. S <br />