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Table 1 <br /> Proposed Sampling Locations and Rationale <br /> Newark Group Petroleum Site <br /> 800 West Church Street,Stockton,California <br /> Proposed Analysis <br /> TPH(speciation) <br /> and VOCs Oxygen and Carbon TPHg and VOCs <br /> (TO15-VPH) VOCs(TO15S) Dioxide(D1946) 8260B TPHd(8015B) <br /> Approximate Soil:plastic sleeves or <br /> Boring/Sampling Sample Depth QA/QC Sample Type Soil:Encore glass jars <br /> Location ID feet ifs ro nate Matrix Sample Rational I liter summa Iliter summa Iliter summa Water:VOAs Water. Iliter amber . <br /> SR-42 <br /> eollectcd at Ove foot One soil sample and one groundwater grab <br /> intervals,fro. _ sample will be collected to assess the lateral <br /> Iahologic dhangcs, extent of impacts to the south of boring B-33 <br /> and from areas of where TPHd was reported in soil at 370 mg/kg - ■ ■ t <br /> odors or vrarbla - and groundwater at 850 ug/L.Soil results will <br /> staining.One somplo - also be used to aid in characterization of <br /> from each boring will - - <br /> bo elected for - potential health threats to construction worker <br /> SB42-Depth' analyaia. Soil receptors(e.g.,soil contact in utility trenches). <br /> 5 feet below <br /> groundwater ■ ■ <br /> SB42-GW surface Groundwater <br /> SB-43 _ <br /> -T--F----IPTFaW'T fie One soil sample and one groundwater grab <br /> coll=Eod at Ove foot <br /> . interval.:,from - sample will be collected to assess the lateral ■ ■ ,. <br /> -SB-43-Depth' lithologi.changes, Soil extent of impacts to the east of boring B-15 <br /> and from areas of where TPHd was reported in soil at 25,000 <br /> d..—mW visible `I mg/kg.This data will also be used to assess if <br /> staining.On—pl. impacts pose a threat to surface water in the ■ ■ <br /> fr..oath will slough located east of this location. Soil results <br /> be selectecte d for <br /> for <br /> SB-43-De th'-DUP Duplicate Soil <br /> will also be used to aid in characterization of <br /> anal sis. <br /> potential health threats to construction worker <br /> 5 feet below receptors(e.g.,soil contact in utility trenches). <br /> groundwater <br /> _ - SB43-GW surface - Groundwater <br /> 5 feet below <br /> ■ ■ <br /> groundwater - <br /> SB-43-GW-DUP surface Duplicate Groundwater <br /> SB-44 <br /> oII.tcd at Ovc foot One soil sample and one groundwater grab <br /> Snta—b'from sample will be collectedto assess the lateral <br /> luhologic changes, extent of impacts to the north of boring B-15 <br /> and from areas of where TPHd was reported in soil at 25,000 - ■ ■ <br /> odors or visiblo mg/kg. Soil results willalso be used to aid in <br /> staining.One sample characterization of potential health threats to <br /> be <br /> fro sch boring will <br /> be selecmd for construction worker receptors(e.g.,soil <br /> SB44-Depth' analysis. Soil contact in utility trenches). <br /> 5 feet below <br /> groundwater - ■ ■ <br /> SB-44-GW surface Groundwater <br /> Page 2 of 3 <br />