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r <br /> In <br /> Fri ' <br /> GROUNDWAITR TECHNOLOGY, INC. <br /> STANDARD OPElthTnIG PROCEDURE <br /> CONCERNING SOIL IZ COLLECTION AND <br /> HANDLING VEMN SAMPLING FOR VOLATILE ORGNICS <br /> GOP 1s <br /> 3. 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 sazpler which can be sealed, is <br /> best. <br /> I. 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 NA" will incur a separate sample <br /> preparation charge of $lo.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 /> time from the laboratory before sampling. (Vials are free <br /> if samples will be sent to Groundwater Technology <br /> Laboratory) . <br /> 3. For sending whole-core samples (3A above) : s <br /> i <br /> 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 /> w» <br /> ATE R <br /> 1 <br /> ... _. TECHNOLOCI A1C. <br />