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r: <br /> ANALYTICAL METHODOLOGY <br /> Tote Petroleum Hydrocarbons (TFH) Extractables by GC-171D <br /> Extraction procedure-, <br /> WATER <br /> A 1 liter sample is poured into a 2 liter separatory funnel 3x10 <br /> extractions with methylene chloride (2 minute shake outs) area completed. <br /> The methylene chloride is decanted off and concentrated to a 5 ml final <br /> volume. <br /> SOIL - _ <br /> ram, or other apppopriate aliquot of soil, is maxed with l0 grams of <br /> A 30 g of methylene chloride is added to the soil <br /> washed sodium sLafate. 100 shakmis of methylene chloride. <br /> and placed on a me1e Bated withean additional 50 ml gold t ydecanted nechl of <br /> and the process is P h sodium sulfate and the <br /> The combined is concentrated <br /> lvent ntratedxtzacts to a 5 are irs finalrvolume.ug <br /> extract is eo <br /> CC ANALYSIS ^ <br /> to a G as <br /> An appropriate volume ofthe <br /> sample <br /> eeToni a onct is =njectea D tech rr�(FID), a split/ <br /> Chromatograph equippedd in the splitless mode), and a fused <br /> Splitless capi]lary injector (operated quantitated as gasoline and/or <br /> silica capillary column. The TPIi fraction is <br /> g2 diesel fuel (and/or different jpbased n relative eum retention times and <br /> requested, such as JP-4 <br /> c ak areas against a mdtipoint standard curve- <br /> peak <br /> of hi el,uticn profile. The 'Tp'H fraction quantitation is ase <br /> on chromatograp Pe <br /> CHER�'dES i ANALYTICAL UFECRA.TCMES,NC. <br />