Laserfiche WebLink
STATE OF CALIFORNIA GEORGE DEUKMEJIAN, Governor <br /> CALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD— <br /> CENTRAL VALLEY REGION AL ialblli- <br /> 3443 ROUTIER ROAD, SUITE A ;�.7,F <br /> SACRAMENTO. CA 95827-3098 a <br /> 27 September 1990 0 C T <br /> Ms. Patricia Sullivan <br /> Environmental Services <br /> Pacific Gas and Electric Company <br /> P.O. Box 7640 <br /> San Francisco, CA 94120 <br /> PG&E's NI.CDONALD ISLAND SUFACE i v1 OUNDTAE*.'TS, S�'�11 QUL COTS'TY <br /> (Case No. 2288) <br /> We have reviewed the solid waste water quality assessment (SWAT) report for the disposal ponds <br /> at PG&E's McDonald Island Gas Storage Field. The report adequately demonstrated that hazar- <br /> dous waste is not leaking from the impoundments. The SWAT report data show, however, that <br /> nonhazardous chemical concentrations in ground water vary greatly across the site and may be <br /> indicative of leakage from the impoundments. These contaminants need to be defined in the <br /> following areas: <br /> 1. What is the source, nature and extent of ground water contamination and does it impact <br /> surface water? <br /> 2. How will contaminated ground water be remediated? <br /> 3. What steps will be taken to prevent future degradaton of the ground water and close the <br /> impoundments? <br /> Please submit a workplan and time schedule for the above work by 1 January 1991. If you <br /> have any questions, please call Steve Rosenbaum at (916) 361-5732. <br /> WILLIANO. MARSHALL, Chief <br /> Waste Discharge to Land Unit <br /> SER <br /> cc: Ms. Kim Schwab, California Integrated Waste Management Board, Sacramento <br /> Mr. Ed Padilla, San Joaquin County Public Health Services, Stockton <br />