WORK PLANS - Laserfiche WebLink

Home Browse Search

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