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APPENDIX D <br /> HOLLOW-STEM AUGER DRIJ.-,ING AND SOIL SAMPLING PROCEDURES <br /> wi�l be recovered from <br /> soil without <br /> Undisturbed soil samples <br /> as core will be <br /> introducing liquids into the borings. Soil samples <br /> taken at 5-feed depth intervals from ground surface to termination <br /> zone of interest for litriologic <br /> depth, or through the aquifer <br /> . lagging. <br /> lad with <br /> Borings will <br /> e split-spoon sampler. Soil <br /> be drilled with a hollow--stem aucer and sem <br /> a California or modified Galifarnia-tYP erform the analyses which <br /> samples will be of sufficient volume to p <br /> analyses. <br /> may be required, includingreplicate <br /> Soil from all borings will be dest,ribed in detail using the Unified <br /> Soil Classification System and will be logged by a geologist, civil <br /> engineer. <br /> or engineering geologist who 3.s registered or certified <br /> by the State of California and is cxp3rlenced in the use of the <br /> Unified Soil Classification System. <br /> All wet zones above the free water. zo;tie ?rill be noted and <br /> accurately logged. <br /> teel <br /> Soil samples will be collected in clean <br /> brass <br /> stainless <br /> t traps wilbesuused <br /> sampling tubes in the split-spoon. from the sampler during <br /> S- <br /> ' 11 Le cut apart using a clean knife. <br /> when usica <br /> nsolidated sands and gravels fall <br /> retrieval. The brass tubes w1 <br /> The ends of the tubfjon <br /> es will be covered tic Bendth a apse and eesealed ewith <br /> tape or aluminum foil e and Pr eptly laiaeled. The samples will be <br /> electrical or duct -ap tees Celsius. <br /> stared on ice at a temperature of 4 deg <br /> Drill cuttings will be stored on site in 55-gallon drums or covered <br /> Analytical results will be submitted <br /> frith plastic sheeting. appropriate <br /> immediately to the site owner for de not cn plaLedfas wells will <br /> disposal procedures. The soil boring' <br /> be backfilled with a cement grout. <br /> 1 <br />