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r <br />' Stockton Plating <br /> SBGWI Work Plan <br /> November 17, 1993 <br />' Page - 5 - <br />' hollow-stem, continuous-flight augers. The augers will be steam <br /> cleaned prior to drilling each well. Soil samples will be <br />' collected with a California-modified, split-spoon sampler fitted <br /> with clean brass sleeves . The samples will be collected at 5- <br /> foot intervals from the ground surface down to the water table <br /> expected at a depth of approximately 55 feet. Each soil sample <br /> 1 will be screened in the field with an organic vapor analyzer - <br />' OVA (Flame Ionization Detector or Photo Ionization Detector) . <br /> The volatile hydrocarbon detection limit for the OVA is rated at <br />' 1. 0 part per million (ppm) . <br /> The soil samples will be logged .in the field according to <br />' the Unified Soil Classification System under the supervision of a <br /> geologist registered in the State of California. The geological <br />' logs will include such field observations as soil type, estimated <br /> moisture content, presence of fuel product or odor and field OVA <br /> measurements . <br /> The drill cuttings from each boring will be placed on, and <br />' covered with, plastic sheeting and left on site pending <br /> laboratory results . Disposal of the drill cuttings will be the <br /> responsibility of SPI . <br /> At least three ( 3) soil samples will be collected from each <br /> boring for laboratory analyses. The samples will be sealed at <br /> as <br /> $� CONDOR <br />