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GROUNDWATER TECHNOLOGY <br /> STANDARD OPERATING PROCEDURE <br /> CONCERNING 'SOIL' SAMPLE COLLECTION AND <br /> HANDLING WH •N SAMPLING FOR VOLATILE ORGANICS <br /> SOP 15 <br /> 1. Use a sampling means which maintains the physical <br /> j integrity of the samples. The project sampling protocol <br /> Will designate a preferred sampling tool. A split spoon <br /> sampler with liners or -similar tube sampler which can be <br /> sealed is best. <br /> 2. At the discretion of the project manager, the samples <br /> should be either. <br /> A. sealed in liner with teflon plugs' (The "California <br /> Sampler") or <br /> B. field prepped for sample analysis. <br /> i Projects using method (A) will incur a separate sample <br /> preparation charge of $ 10.00 per sample in the labora- <br /> tory. For method (B) , prepared and pre-weighed vials, <br /> and sample coring syringes. must be ordered at least 2 <br /> weeks ahead of time from <br /> the laboratory before sampling. - f <br /> (Vials are free if samples will be sent to Groundwater. <br /> ) , ( Technology Laboratory). <br /> 3. Forsending tahol a-core samples (2A above); <br /> A. Seal ends. of liner with teflon plugs leaving no <br /> free `air space inside. <br /> B. Tape with duct tape.. <br /> { C. Cover with a non-contaminating sealant (paraffin) . <br /> D. Place in plastic bag labeled with indelible marker. <br /> Use well f, depth, date, and job I. r <br /> = � <br /> _...: <br /> Place-..inside...a.. second bag...andplace a -labelling tag- <br /> _.........- <br /> inside outer hag. - <br /> F. . Enclose sam <br /> ples: in a cooler withsufficient ice or <br /> dry ice to maintain sam <br /> � p]es .at 4 degrees during <br /> shipment. <br /> G. Seal cooler: with a lock or tape with samplers <br /> signature 'so tampering can be detected. <br /> Package cooler in a box with insulating material. <br /> . Chain:of custody forms can be placed in a plastic <br /> bag-- in this outer box. <br /> r - <br />