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_ I <br /> 83 WEST MARCH_LANE <br /> -SUITE 12' <br /> STOCKTON,CA 95207 <br /> srn-PHONE:(209)476-1635 <br /> M;NAGEM DES06eAMWLTAWS August 20, 1990 <br /> KIM L;El V DF <br /> M2 'Manuel Santos <br /> Edward Santos, et. al. AUG 2 1 1990 <br /> -:67.428 N. Pershing -Avenue ENVIRONMENTAL HEALTH' <br /> Stockton-, CA. 95207 W.O. 6109-01-01 <br /> PERMIT/SERVICES - <br /> Dear Mr. Santos, <br /> Per your request -an,d y-in response to. the July. 25, 1,990 request. from <br /> :the':San Joaquin..Cout . Public Health Services, Environmental :Health <br /> Division :(EHD) , ,ROY F. WESTON.., I INC i, (WESTON) is, pleased to.- submit <br /> the, enclosed revised:.work plan for site investIgation. .activit es at <br /> '.your :Linden Short Stop .site located at 18978 E. Highway .26. in <br /> Linden; California. <br /> This work plan addresses the primary concerns raised by the EHD in <br /> regardsito the .work plan submitted July 25, 1990. <br /> General hnvesjjgative. Approach <br /> In order to ;meet the EHD'.s requirements,, WESTON proposes to conduct <br /> the ' following activities . at: the' Linden.: site. As was. previously . <br /> discussed, your.subcontractor will.complete the.Pit B excavation -a' s <br /> .'detailed in :WESTON's- •J2inuary 11., . 1990, Tank Closure-.Data - Review <br /> Report. WESTON will = only - collect and analyze the samples and <br /> ;prepare a site investigation -report. <br /> tj, o.: WESTON will collect a single soil sample from the stockpiled 5kMA_) <br /> . soils for extractable lead-'Ahalysis. utili2ing the California a. � <br /> �`� Waste Extraction ,Test. This sample wiai be collected from the . S w, <br /> s center• of the stockpile per the request of the EHD. <br /> o WESTON will collecta single sample from the. bottom floor. of <br /> 0 !;w Pit A, at .a minimum depth- 'of 18 inches beneath the bottom. <br /> This_.sample will be analyzed_: for Total Petroleum Hydrocarbons . <br /> as :Gaso1'.ine (TPH70) . utilizing EPA Method 8015, for Benzene. : <br /> c Toluene X lene and Eth lbenzene BTX&E utiliz n EPA Method b� <br /> e ` <br /> 8020 and for Extractab=le"�Lautiliz��ngthe, Galzforn�a. Waste :. 4�fr <br /> 3 qN <br /> Extracts ori Tes.a -(, <br /> 4,, WESTON Will., collect; five discrete soil samples from . the - re- <br /> excavated". area in `Pit B.' One soil' sample will be collected <br /> Brom `the -north•, south, east and _west.,sidewalls, 1 foot above <br /> the excavation bottom. A saiaple: willalso be collected from <br /> done location on the -excavation floor: All samples will be <br /> analyzed °for TPH-G, BTX-&E and Extractaq Lae d � ADB <br /> _j <br />