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.,icvva .c.+c , not 1MV 13/V 13
<br /> Jerry Ule Page 8
<br /> February 2,2D05
<br /> Table 1. $OIL DATA GAPS
<br /> Data Gas Ai3aftment Area Undeveloped Area.
<br /> AcUve•Soll Gas:Meftne sampling -SV-4,SV-7,6V-8.SV-9(see DTSC, SV-1,SV-2,68-1/141W-17,SB-
<br /> and analyses(EPA TO-3 modified or 2004 regarding relooeting),SV-10, 2,13124,8e-4,SB-5,SB-8,
<br /> ASTM D-1946)as well as pressure SV-11 1,SV-15(or another nearby 58-20.TR-3,2ATP-5,and
<br /> testing with approval by the local Wagon If within zone of DPE-10 other locations based on
<br /> Fire Department. Influence),under apartment buildings underground features
<br /> {near SV-4,SV-10,SV-11,SV-14. unoover,ed and Mal results of
<br /> 3V-16(or another nearby location if the sampling and analyses
<br /> within zone of OPE-10 htfluence),as conducted during pipeline
<br /> well ss'the building between SV-7 removal.Additional locations
<br /> end SV-B). Additional locations may based on preferential
<br /> be necessary after DTSC recgivev pathways created by interim
<br /> maps of underground utilfly corridors. remedial activities and SVE
<br /> welt Installation.
<br /> Active SoV Gas.-Hydra-gen sulflde SV-4,SV-7,SV-8,SV-9(move to Sampling locations as
<br /> (EPA Method 16,glass lined south of building),SV-10,SV-11,SV- identified above.
<br /> Summa Canisters),and VOGs(TO- 13,SV-14,SV-15,and SV-117.
<br /> 14 SIM,Summe Canisters) Additional locations may be
<br /> necessary after DTSC receives maps
<br /> Sample-al.5 ft bgs and depth of of underground utiflly corridors.
<br /> captilary fringe in accordance with
<br /> DTSC guidance and advisory
<br /> (DTSC,2003,2004).
<br /> Two rounds,(with one being in the
<br /> summer)without significant rain or
<br /> Irrigation prior to sampling(DTSC,
<br /> 2004).
<br /> Soil.•Geotechnical Parameters SV-4,SV-7,SV-8,SV-9(move to Sampiing locations as
<br /> south of bulding),8V-10,SV-11,$V Idenii ied•above.
<br /> Sample at 5 ft bgs(and depth of 14,SV-117,and resample at SV-12,.
<br /> capillary fringe). 6VA3,SV-116 and SV-161f no data .
<br /> on the last watering event prior to
<br /> Collect atter no significant rain or ` collection of previous data.
<br /> irrigation(DTSC,2004). Additional locations may be
<br /> necessary after DTSC recelves Wraps
<br /> of unde nd uttil corridors.
<br /> -Soft.PAFIs(Method 8270 SIM or S13-9 and additional locations may be Sampling locations as
<br /> 8810) necessary after DTSC reoelves maps identified above. (Note:no
<br /> of underground utility corrldors. PAH date vare previously
<br /> d ths:0,b.and mpillary firincle cdlected from SB-4 and SB-5
<br /> Sal:Metals Additional loontlons may be Sampling locations as
<br /> necessary after DTSC nscelves maps IdenUffed above. (Note:no
<br /> Depths:O,5,and capillary fringe of underground utfllty corridors. metals data.were previously
<br /> coNected from SBS
<br /> Table 2. GROUNDWATER DATA GAPS
<br /> Data Gas Apartment Area Undeveloe2d Area
<br /> Groundwater Unable to evaluate due to-missing Unable to evaluate due to missing.
<br /> data such as missing pages of data data such as missing pages of data
<br /> tables,sample locatione on maps, • tablas,sample locations on maps,;
<br /> and whether data are total or and whettw data ane tgtai or.
<br /> dissolved concentratlons. dissolved concentrations.
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