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Quality Assurance/Quality Control Plan <br /> Page 14 <br /> TABLE I <br /> SAMPLE CONTAINERS, HOLDING TIMES & PRESERVATION <br /> j=PARAMETER MATRIX CONTAINER HOLDING TIME PRESERVATION <br /> Total Petroleum Soil 3" stainless steel 14 da s / <br /> Hydrocarbons or brass cylinder 40 daysx/ 4°C <br /> (Light Fractions) Water40 ml glass vial, <br /> ' <br /> teflon-faced silicon 14 days / 4°C HCI <br /> septum 20 days/ to pH = 2 <br /> 1 amber bottles, 14 d <br /> /Heavy Fractions! Water <br /> teflon seal/silicon days '1 <br /> da ° <br /> 40 <br /> septum Ys2/ <br /> Benzene Soil 3" stainless steel <br /> Toluene or brass cylinder 14 days'/ 4°C <br /> Xylenes <br /> Ethylbenzene Water 40 ml glass vial, 7 days'/ 4°C HCI <br /> teflon seallsilicon 14 days'/ to pH = 2 <br /> Soil 3" stainless steel <br /> f urgeable <br /> or brass cylinder 14 days'/ 4°C <br /> Halacarbons 500 ml glass vial, <br /> Water teflon seal/silicon 14 days'/ 4°C <br /> septum <br /> Soil 3" stainless steel <br /> Organic <br /> or brass cylinder 14 days'/ 4°C <br /> Lead 40 ml glass vial, <br /> Water teflon seal/silicon 14 days'/ 4°C <br /> septum <br /> Soil 3" stainless steel <br /> Ethylene <br /> or brass cylinder 14 days'/ 4°C <br /> Dibromide 40 ml glass vial, <br /> Water teflon faced silicon 14 days'/ 4°C <br /> septum <br /> 8 oz wide mouth <br /> Soil glass with teflon 14 days'/ ° <br /> C <br /> Polynuclear 40 days/ 4 <br /> Aromatic seal <br /> Hydrocarbons 1000 ml amber <br /> Water glass with teflon 7 days'/ 4°C <br /> seal 40 days/ <br />