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PUBLIC HEALTH SERVICES { a <br /> . SAN JOAQUIN COUNTY <br /> ENVIRONMENTAL HEALTH DIVISION <br /> ' Karen Furst, M.D , M.P.H., Health Officer ' <br /> 304 East Weber Avenue, Third Floor • Stockton, CA 95202 ca"r o V tA\ <br /> 209/468-3420 <br /> ' PAUL SUPPLE <br /> ARCO PRODUCTS COMPANY <br /> P O BOX 6549 <br /> MORAGA CA 95470 <br /> ' RE ARCO Station#4932 SiteCode J# 1136 <br /> 16 E Hardrig Way <br /> Stoclaon CA 95204 <br /> ' WORKPLAN Work Plan for Interum Remediation/Feasibility Testing <br /> DATED December 14,2000 <br /> ' PREPARED BY SEGOR International Incorporated <br /> APPROVED r <br /> 1• <br /> DISAPPROVED <br /> EDED ubirut b <br /> tADEQUATE AND NECESSARY ELEMENTS OF THE WORK PLAN[H&S 25299 37,subd(c)(3)] <br /> 1 Five-day mtenm remediation/feasibility test using a dual phase(soil vapor and ground water) extraction system <br /> 2 The test will be conducted using site wells SVE-1 and MW-4(not MW-3 as stated in the work plan) <br /> ' 3 Extracted soil vapors will be treated with an thermal oxidizer unit under pernut from the San Joaquin Valley Air <br /> Pollutton Control Distnct Air samples will be collected periodically for analysis of TPF%(EPA Method 8015m), <br /> BTEX(EPA Method 8020) and fuel oxygenates (EPA Method 8260) at a CA State Certtfied Laboratory <br /> ' 4 Extracted liquids will be contained in a Baker Tank pending characterization and disposal at an approved facility <br /> 5 A report of findings will be prepared and subrrutted to PHS/EHD within eight weeks after completion of the test <br /> 6 Site specific Health and Safety Plan was included in the work plan <br /> ' GONAENTS AND CONDITIONS <br /> 1 Forty eight hours notice to PHS/EHD is required prior to initiating field work- <br /> DA <br /> !ED <br /> orkDATED [z.'�' C'o BY �r1 it Cil t ..t ct n <br /> ' Lon Duncan,,Seruor RENS (209)468-0337 <br /> N 0 V] B [N <br /> ' cc Maury H-tzell,CVRWQCB hiti <br /> Rusty Berikosky,SEGOR y <br /> DEC 2 72000 <br /> 1 A Division of San Joaquin County Health Care Services <br />