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1. Workplan for Nunan - 005197 114� page 9 <br /> Lborehole, where possible. <br /> Groundwater samples will be collected by placing a stainless steel bailer down the center of <br /> the borehole to allow for an in-situ water sample collection. The stainless steel bailer will be <br /> decontaminated prior to each use. <br /> L Sample vials and bottles will be filled and sealed so that no air is trapped in the vial or bottle. <br /> Once filled, samples shall be inverted and tapped to test for air bubbles. Samples will be <br /> contained in vials and bottles approved by the US EPA and the RWQCB. <br /> Water samples intended for volatile hydrocarbon analysis will be contained in 40 ml VOA <br /> vials prepared according to EPA SW-W and capped with Teflon-lined septa caps. Samples <br /> L intended for EPA 692 analysis will contain a small amount of preservative (HCI). Samples <br /> intended for EPA 601 and EPA 621 GC/MS procedures will not be preserved. Water samples <br /> intended for low level diesel or motor oil analysis will be stored in dark amber glass 1-liter <br /> bottles to reduce degradation by sunlight Antimicrobial preservative (HCI) may be added to <br /> the sample, if a prolonged holding time is expected prior to analysis. Plastic bottles with a <br /> nitrate solution would be used for CAM metals analysis. <br /> i <br /> L <br /> L <br /> L <br /> L <br /> L <br /> L <br /> L <br />