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x <br /> e <br /> GROUNDWATER TECHNOLOGY, INC. <br /> STANDARD OPERATING PROCEDi <br /> CONCERNING SOIL SAMPLE COLLECTION AND <br /> IWMLING WBEN SAPYPL JxG FOR VOL&TILE ORGANICS <br /> Sop is <br /> 1. Use a sampling means which maintains the physical integrity <br /> Of the samPles. The project sampling protocol will <br /> designate a preferred sampling tool. A split-spoon sampler <br /> with liners, or similar tube sampler which can be sealed, is <br /> best. �. <br /> 2. At the discretion of the project manager, the samples should <br /> be either. <br /> A. Sealed in liner with TeflonR plugs (The "California <br /> Sampler") or <br /> B. Field-prepped for sample analysis. <br /> Projects using method "A" will incur a separate sample <br /> preparation charge of $10.00 per sample in the laboratory. <br /> For Method "B", prepared and pre-weighed vials, and sample.- <br /> coring syringes must be ordered at least two weeks ahead of <br /> R, time from the laboratory before sampling. (Vials mre free <br /> if samples will be sent to Groundwater TFchnolo,_4y <br /> Laboratory) . <br /> 3. For sending whole-core samples (2A above) : <br /> T A. Seal ends of liner with TeflonR tape or aluminum foil <br /> leaving no free air space inside. <br /> B. Tape with duct tape. <br /> C. Place in plastic bag labeled with indelible marker. <br /> Use well number, depth, date, and job number. <br /> D. Place inside a second bag and place a labelling tag <br /> inside outer bag. <br /> E. Enclose samples in a cooler with sufficient ice or dry <br /> ice to maintain samples at 4 celsius during shipment. <br /> F. Seal cooler with a lock or tape with samplers' <br /> signature so tampering can be detected. <br /> CAMADWATER <br /> TFxas��i cwv.lir. <br /> e� <br />