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PUBLIC HEALTH SERVICES <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 4Lr�o�a� <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 Site Code # 1136 <br /> 16 E Harding Way <br /> Stockton CA 95204 <br /> WORK PLAN Work Plan for Interum Remediation/Feasibility Testing <br /> DATED December 14,2000 <br /> PREPARED BY SECORInternational Incorporated <br /> API' OVED [x] <br /> R D EDED [[ ]] Submit b <br /> ADEQUATE AND NECE5SARY ELEMENTS OF THE WORK PLAN[H&S 25299 37,subd(c)(3)] <br /> 1 Five-day interim remediation/feasibility test using a dual phase (sod 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 to the work plan) <br /> 3 Extracted soil vapors will be treated with an thermal oxidizer urut under permit from the San Joaquin Valley Air <br /> Pollution Control Drstnt-t Air samples will be collected periodically for analysts of TPHg(EPA Method 8015m), <br /> BTEX(EPA Method 8020) and fuel oxygenates (EPA Method 8260) at a CA State Certified 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 /> MMENTS AND CONDITIONS <br /> 1 Fortrenght hours notice to PHS/EI-1D is required prior to initiating fieldwork <br /> DATED t-2 n o o BY <br /> Lon Duncan.Senior RENS (209) 468-0337 <br /> • 3cc Marry Hartzell,CVRWQC33 1 <br /> RustyBenkosky,SEGORIV <br /> DEC 2 7 2000 <br /> A Division of Sart Joaquin County Health Care Services <br />