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Table 1 <br /> Proposed Soil and Groundwater Sampling <br /> Pacific Gas and Electric <br /> McDonald Island Compressor Station <br /> C-51 Tank Site Investigation and Soil Removal <br /> Sample Primary/ Depth Sample Parameters <br /> Identification Matrix Contingency (feet bgs) TPH-g BTEX TPH-d TPH-mo <br /> 2 H H H H <br /> Soil Contingency 4 H H H H <br /> C51-SB13 6 H H H H <br /> 8 H H H H <br /> Groundwater Primary TBD X X X X <br /> 2 H H H H <br /> Soil Contingency 4 H H H H <br /> C51-SB14 6 H H H H <br /> 8 H H H H <br /> Groundwater Primary TBD X X X X <br /> 2 H H H H <br /> C51-SB15 Soil Contingency 4 H H H H <br /> 6 H H H H <br /> 8 H H H H <br /> 2 H H H H <br /> C51-SB16 Soil Contingency 4 H H H H <br /> 6 H H H H <br /> 8 H H H H <br /> 2 H H H H <br /> Soil Contingency 4 H H H H <br /> C51-SB17 6 H H H H <br /> 8 H H H H <br /> Groundwater Primary TBD X X X X <br /> 2 H H H H <br /> C51-SB18 Soil Contingency 4 H H H H <br /> 6 H H H H <br /> 8 H H H H <br /> Notes: <br /> bgs= below ground surface <br /> BTEX=benzene,toluene, ethylbenzene, and xylenes <br /> CAM =California Assessment Manual <br /> H =sample will be held pending the results of the primary samples <br /> TBD=to be determined <br /> TPH-d=total petroleum hydrocarbons diesel range <br /> TPH-g=total petroleum hydrocarbons gasoline range <br /> TPH-mo=total petroleum hydrocarbons motor oil range <br /> X=will be analyzed for selected parameter <br /> Table 1.xls ARCADIS Page 2 of 2 <br />