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�I-X I Ell E I I 8720033A-COT-5 Appendix A. Soil samples were recovered are above the sample interval soils encountered augers to at point immediately clean brass liner tubes - by advancing ler with and then driving a modified California Sampler auger stem. The sampler was then winched out of the through the hollow with aluminum foil and and the sample tubes removed and sealed tubes in each auger string the second of the three sample ' plastic end caps, Generally The soil samples were interval was retained for ironmental laboratory under Chain- Custody-Cus�heysoil les for analysis by WCC, delivered to the WCC en control After removal of soil subsamp control to California The completed Chain-of- w samples were transmittf�rundyan caleadf-Custodyanalysis. visually Anlaytical Laboratory Appendix 8. soil samples were Custody forms are included in App -~ field for stains and checked for odors. An no panic inspected in the jar, shaken, and the ' photoionization detector Was esswereosealed incheck ia dam ors. Many vapors, Selected soils P organice for vapors, ac prlotoionizer probe used to check tdistin t Hydrocarbon odor or yielded a soil samples were found to have a n tested with a pkjotoionixation detector non-zero reading whe . Monitorin Wells oil at the wells were constructed in th' s ructedgwith '-inch Groundwater monitoring The g perforated with ' r completion of drilling. groundwater wells were comp lengths of well str�.en P , elow diameter PVC pipe, with 20 foot leng s extending from 28.5 to 30 feet to hand �ae50alleofbthe ,020-inch slot slotted pipe 3 to 4 feet grade. The annular space between the sand to approxi-wately 'ed with Nn. 3 Monterey }u was placed boring was hackfil , to 2-foot bentonite Plug ace from the top of the bentonite plug above the perforated section. Th iannu}erlsp The wells were above the sand pack• ; ,��at Cement grout, to the ground surface wGS eclat thetsurface. completed with locking box 'A�