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Quality Assurance/Quality Control Plan Page 14 <br /> TABLE 1 <br /> SAMPLE CONTAINERS, HOLDING TIMES & PRESERVATION <br /> :FA:RAME-TER MATRIX CONTAINER HOLDING TIME PRESERVATION <br /> Total Petroleum Sod 3" stainless steel 14 days'/ <br /> Hydrocarbons or brass cylinder 40 days2/ 4°C <br /> 40 ml glass vial, <br /> (Light Fractions) Water teflon-faced silicon 14 days'/ 4°C HCI <br /> septum 20 days2/ to pH = 2 <br /> 1 amber bottles, <br /> (Heavy Fractions) Water teflon seal/silicon 14 days '1 <br /> ° <br /> septum <br /> 40 days2/ 4 C <br /> Benzene Sal 3" stainless steel 14 days'/ 4°C <br /> Toluene or brass cylinder <br /> Xylenes 40 mi lass vial, 7 da ° <br /> Ethylbenzene Water g days'/ 4 C HCI <br /> teflon seal/silicon 14 days3/ to pH = 2 <br /> Sod 3" stainless steel 14 days'/ 4°C <br /> Purgeable <br /> or brass cylinder <br /> Halocarbons 500 ml glass vial, <br /> Water teflon seal/silicon 14 days'/ 4°C <br /> septum <br /> Soil 3" stainless steel 14 days'/ 4°C <br /> Organic <br /> or brass cylinder <br /> Lead 40 ml glass vial, <br /> Water teflon seal/silicon 14 days'/ 4°C <br /> septum <br /> Soil 3" stainless steel 14 days'/ 4°C <br /> Ethylene <br /> or brass cylinder <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 /> Polynuclear seal 40 days'/ 40C <br /> Aromatic <br /> Hydrocarbons 1000 ml amber <br /> Water glass with teflon 4 days'/ 4°C <br /> seal 40 days2) <br /> • <br />