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Final Preliminary Endangerment Assessment Work Plan <br /> 1848 and 1856 Field Avenue,Stockton,California <br /> TABLES <br /> PROPOSED SAMPLING LOCATIONS AND ANALYTES <br /> 1845 AND 1856 FIELD AVENUE,STOCKTON,CALIFORNIA <br /> CAM 17 Ethylene <br /> Sample Metals° Glycol <br /> Sam le Area Map H) Sample ID Sample Type Depth(R) Copper' Lead° Tin' plus Tin' Ammonia' VOCs" SVOCs` Butyl Ether t TRPH t PCBs h TDS pit r $TEX k Sampling Rationale <br /> Building 1(1848 Field Avenue)Continued <br /> Chemical Storage Area SBIO SB10-1 soil first native X X X X One soil boring is proposed in the historical sludge storage portion ofthe chemical <br /> (Sludge Tote Section) SB10 SB1 0-5 soil 5.0 X storage area.Soil and groundwater samples will be collected and analyzed for CAM <br /> 17 metals plus tin.One soil sample will be analyzed for SVOCs,ethylene glycol butyl <br /> SB10 SB 10 GW groundwater groundwater X }( ether,and pH.The groundwater sample will be analyzed VOCs. <br /> .1 SB10 SB26-GW QC-PB blank water X X <br /> Bulk Storage Area SB 11 8$11-5 soil 5.0X Impacted soils were removed to the extent technically feasible.Soil and groundwater <br /> X X samples will be collected in the bulk storage area and analyzed for CAM 17 metals <br /> SBI/ SBII GW groundwater groundwater <br /> plus tin.One soil sample will be analyzed for VOCs and SVOCs at the request of <br /> X� X X DTSC.The groundwater sample will ammonia and-1'DS. <br /> Several soil samples were previously collected along the discharge pipe and analyzed <br /> for one or more ofthe following:ammonia,copper,lead,cadmium,chromium,silver, <br /> zinc,mercury,cyanide,pH,chlorate,and VOCs. Elevated levels of these chemicals <br /> Underground Pipe SB21 SB21-5 soil 5.0 X X were not found.At the request of DTSC,one additional soil sample will be collected <br /> from this area.The sample will be collected from a depth below the former pipe and <br /> analyzed for VOCs and SVOCs. The sample location was selected in the area where <br /> € the pipe made a bend,which is where potential for a release is higher. <br /> Building 2(1856 Field Avenue). <br /> Vacuum Baghouse Area SB12 SB12-1 soil first native X Previously soil samples were collected and analyzed for TRPH.TRP11 concentrations <br /> - were ND.Additional sail samples will be collected for anal is of CAM 17 metals <br /> t 5812 SB 12-5 soil S.D X plus tin to supplement the prior data. <br /> Air Compressor Area 15 cy of soil was removed from this area due to TRPH.Results for TRPH and VOCs <br /> p SBE 9 SB€9-2 soil 2A X X (analyzed to verify absence)were ND in the verification samples after the soil <br /> bill removal.A sample adjacent to the pad collected from a depth of 3 feet prior to <br /> S$19 S1319-7 soil 7.0 <br /> excavation was also analyzed for PCBs. PCB results were ND in the sample.Two <br /> X X sample locations have been added east of the southeast comer of the former <br /> excavation,where removed soil had the highest concentrations of TRPH, Samples <br /> SB20 SB20-2 soil 2.0 will be collected at depths of 2 feet and 7 feet below ground surface,corresponding to <br /> X the two prior sampling depths with highest TPRH for lateral delineation. Sail <br /> samples will be analyzed for TRPH and/or PCBs. The two soil samples collected at 7 <br /> SB20 SB20-7 soil 7,0 feet will also be analyzed for BTE <br /> X X X. <br /> Chemical Storage Area 81313 SB13-1 soil first native X Mainly acids and bases were kept in the area.Soil and concrete samples were <br /> analyzed for pH previously, Soil and groundwater samples will be analyzed for <br /> S1313 SB13-GW groundwater groundwater XX X• X copper,Iead,tin and pH. The soil sample coil!be also analyzed for CAM 17 metals <br /> plus tin,and the groundwater sample will be analyzed for VOCs. <br /> Prior Chemical S1314 SB14-1 soil first native X X X X Citation Enterprises maintained a chemical storage area containing both fresh and <br /> Storage Area SB14 SB 14-3 QC-dup first native X X X spent stripping and etching solutions,ammonia and spent sludge.Soil and <br /> SB 14 SE14-5 soil 5.0 X X X X X X groundwater samples will be collected and analyzed for CAM 17 metals plus tin or <br /> selected metals,ammonia,VOCs,and SVOCs,ethylene glycol butyl ether,and pH. <br /> ' SB14 SB14-GW groundwater groundwater <br /> X X X X <br /> Lamination Press Area S$15 SB15-1 sail first native X X X Wet processes were not conducted within this area by Tyco or its predecessor <br /> corporations.Two soil borings will be advanced to collect soil data below the <br /> SB16 SB16.2 soil 2.0 X X X remediation excavation and adjacent to the excavation,which was due to TRPH. For <br /> more comprehensive data,soil samples and groundwater samples will be collected <br /> 81316 016-5 soil 5.0 X X X and analyzed for copper,lead and tin to verify their absenee in this area. The <br /> groundwater sample will be also analyzed for TRPH. <br /> 7-- ? S1316 SB16-GW groundwater groundwater X X X X <br /> LAPIOM786731W10712-ABLESALS <br />