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0 <br />Pacific Gas and Electric Company <br />December 29, 1997 <br />Mr. Michael Kith <br />San Joaquin County Public Health Services Department <br />Environmental Health Division <br />304 E. Weber Avenue, 3`d Floor <br />P.O. Box 388 <br />Stockton, CA 95201-0388 <br />Dear Mr. Kith: <br />t <br />Environmental Management <br />Janet Oliver ? <br />375 North Wiget Lane, Suite 200 <br />Walnut Creek, CA 94598 <br />Telephone: (510) 974-4073 <br />Re: Response to Issues Listed in San Joaquin County's Hazardous Waste <br />Inspection Report for PG&E - McDonald Island Gas Storage Facility <br />Dated 11/14/97 (Amended 11/21/97) <br />Thank you for your assistance in helping to clarify some of the issues raised <br />during your November 14, 1997, hazardous waste inspection at PG&E's <br />McDonald Island Gas Storage Facility. In this letter, the findings listed in your <br />inspection report are addressed. Each issue is described below, along with <br />PG&E's response. Supporting documentation is also attached. <br />Issue #1 <br />Illegal treatment of a hazardous waste. <br />Within 30 days of receipt of this report, obtain an on-site hazardous waste <br />treatment permit from DTSC for the operation of oil/water separators. <br />Response #1 <br />In February of 1992, a complete hazardous waste characterization was <br />performed on the oil/water separator (OWS) influent from the McDonald Island <br />compressor platform. The OWS influent from this platform was considered to be <br />representative of influents from the platforms at Turner Cut and Whiskey Slough. <br />The tests performed included Title 22 metals, volatile and semi -volatile organics, <br />pesticides and PCBs, and 96 -hour LC50 bioassay. No constituents were <br />detected at or above hazardous waste regulatory thresholds and the sample <br />passed the 96 -hour LC 50 bioassay test. Copies of the analytical results are <br />attached. (It should be noted that the analytical report for pesticides contains a <br />