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�Y <br /> ENVIRONMENTAL HEALTH DIVISIOfSC&D BoYett Petroleum 304 � <br /> E. Weber Ave. Third Floor <br />� 419 South Main Street P. O. Box 388, Stockton CA 95201-0388 May 22, 1998 <br /> Manteca, California Approved - Pae 3 <br /> Denied ❑ Page: <br /> Conditions fQQ Belo <br /> 3.2 Soil Sampling -)ate <br /> by <br /> All soil sampling equipment will be thoroughly cleaned before and between <br /> sampling to prevent cross contamination. Relatively undisturbed soil samples will <br /> be taken at intervals of not more than 5 feet in order to evaluate the subsurface <br /> materials, however, this sampling interval may be waived saturated sands in which <br /> sample recovery is not possible. <br /> JUN 2 5 '1998 <br /> The soil samples will be taken using Geo-Probe Spoon sampler with liners. The <br /> sampler will be driven continuously by rotary hammer. <br /> 1 The laboratory samples will not have head space and will be immediately sealed in <br /> their liners using aluminum foil-lined plastic caps. The remaining sample will be <br /> removed from it's liner to be used as an aide to the on-site specialist in logging the <br /> material at that depth. <br /> Soil samples collected for analysis will be analyzed using EPA Method 8015 <br /> modified for total petroleum hydrocarbons in the gasoline range, EPA Method <br /> 8020 for BTX&E compounds and EPA Method 8260 for oxygenates. The <br /> I minimum detection limits used for each analyte will be .005 mg/kg for BTX&E, <br /> and 2.5 mg/kg for gasoline. Analyses are to be conducted by California <br />_ Laboratory Services, Inc., a -State-certified laboratory in Rancho Cordova, <br /> lCalifornia. <br /> Prepared by: <br /> �o vrRor4,�,yT'` <br /> Na 00620 <br /> W.H. Fox, II,REA L-Pirm;lune 30,19¢ �` + <br /> Registered Environmental Assessor#00620 N-7 �P <br /> T�0 CALIf0�� <br /> �e Co lleef Wungl wader Samples <br /> o ��6e boh�rt s i <br /> �i�sm 6n �e ` a i <br /> Sor lab ana yses 6rf T�,q, <br /> 8 Tnx otiAj ox ygena- .s . <br /> ,2 Call c,,� leQ.sf 48 hr <br /> rA a.dvar,ce -�o .scAele <br /> s` <br /> -Field wo rk <br />