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F <br /> d <br /> GROUNDWATER 'TECIItIOLOG'1 <br /> STANDARD OPLHATING rnOCEDURE <br /> CotIC:ER?4ING SOII, SAMPLE COLLECTION AND <br /> IIANGLING WIILN SAMPLING colt VOLATILE ORGANICS <br /> 50P J.5 <br /> 1. Use a sampling means which maintains the physical <br /> 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 /> 511ould be either. <br /> A. sealed in liner with L-eflon plugs ( Che "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 ill the labora- <br /> , prepared and pre-weighed Vials, <br /> tory. For method (I3) <br /> and sample coring syringes must borbe ordered at least abefore sampling- <br /> weeks <br /> g• <br /> weeks aheadare free t-if samples file la be sent to Groundwater <br /> (Vi <br /> Technology Laboratory) . <br /> •3, For sending whole-core samplea (2A above) : <br /> A. Seal enols of liner with teflon plugs leaving no <br /> free air space inside. <br /> i!, rape with duct. tape. <br /> C. Cover with a non-contaminating Bealant (paraffin) . <br /> Place in plastic bag labeled with indelible marker. <br /> Use Well 1, depth, date, and job #. <br /> Place inside a second bag and place a labelling tag <br /> insiderouter bag. <br /> suffci <br /> nt ice <br /> F. drrlice tvBn <br /> mPr►tainles in asa�ples atL4 degrieseduring or <br /> shipment. <br /> G. signatureesowtampor t- <br /> eringkcan bepdetecteda.mplers <br /> GROUNDWATER <br /> CJ INOLOGY,MIC. <br /> CONSUL►INa Gn OUND WA rsn Geoto,!s►s <br /> S <br />