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STATE OF CALIFORNIA—ENVIRONMENTAL PRl TION AGENCY PETE WILSON,Governor <br /> CALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD— ,���• <br /> CENTRAL VALL�t R GION ", fAL 'HEAL <br /> 3443 ]h <br /> 3443 ROUTIER ROAD,SUITE A _ ,V[Cfi g <br /> SACRAMENTO,CA 95827-3098 [7� JUN <br /> f �,Fq <br /> PHONE: (916)255-3000 7 7 pH ': 48 L <br /> FAX: (916)255-3015 v <br /> 12 June 1997 <br /> Mr. Gregory Brown <br /> Bright and Brown <br /> 550 North Brand Boulevard, Suite 2100 <br /> Glendale, CA 91203 <br /> ARCADY OIL COMPANY, SAN JOAQUIN COUNTY (Case No. 2794) <br /> We have reviewed the workplan prepared by ERM-West and submitted by Bright and Brown for a <br /> field investigation at the Arcady Oil Company site on Cook Road at Whiskey Slough. We under- <br /> stand this work is prompted by pending litigation rather than a request from either the State or the <br /> County of San Joaquin. Given these circumstances, we concur with the plan provided the changes <br /> outlined below are incorporated. <br /> First, the analyte list for ground water samples should include sulfate, chloride and total dissolved <br /> solids plus field measurements for specific conductance, pH and temperature. Second, all soil <br /> samples should be split and one portion preserved for future analysis if necessary. In particular, <br /> we believe it may be very useful to run waste extraction tests using deionized water to evaluate <br /> whether the drilling muds are designated wastes at this site. Third, we do not understand from the <br /> soil sample depths specified in the report what materials are intended to be sampled. The site <br /> includes drilling muds and possibly old dump materials underlain by native soils and peats. The <br /> report should clearly define the goals of the sampling strategy to ensure that representative samples <br /> of the various wastes and any contaminated soils under the wastes are collected. <br /> The workplan states that data evaluation will include comparison of sample results to applicable <br /> regulatory standards and guidelines and include a preliminary risk assessment. We want to <br /> emphasis here that the requirements contained in Title 23, California Code of Regulations (23 <br /> CCR), Division 3, Chapter 15 are applicable to this site and should be considered in interpreting <br /> the data. <br /> If you have any questions, please call Steve Rosenbaum at(916) 255-3131. <br /> VICTOR J. LO <br /> Senior Engineering Geologist <br /> SER <br /> cc: Mr. Ron Rowe, San Joaquin County Public Health Services, Stockton <br /> Mr. Truong Mai,ERM-West, Sacramento <br />