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H i <br /> 3V 21. ':a TABLE 1 <br /> SAMPLE CONTAINERS, HOLDING TIMES k <br /> AND PRESERVATION <br /> d J <br /> PARAMETERMATRIX CONTAINER HOLDING TIME PRESERVATION <br /> ,;.,.., <br /> TPH Soil 3" stainless steel <br /> or brass 1� 14 days' 40C <br /> cylinder �0 0 days2 <br /> IL <br /> (Light Fractions) Water 40 ml glass vial, teflon- I 14 days' 4°C HCl to pH <2 <br /> faced silicon septum �� 20 days <br /> (Heavy Fractions) Water 1 L amber bottles, teflon ! 7y days' 4°C <br /> seal/silicon septum 40 days2 <br /> BTEX Soil 3"stainless steel or brass ;( 14 days' 4°C <br /> cylinder 'l <br /> Water 2-40 ml glass vial, teflon 14 days' 4°C HCI to pH <2 <br /> seailsilicon 40 days' <br /> Purgeable Halocarbons Soil 3"stainless steel or brass 14 days' 4°C <br /> cylinder <br /> Water 2-40 ml glass vial, teflon 11 14 days' 4°C <br /> seal/silicon septum 1! 'l <br /> p u Ili. <br /> Organic Lead Soil 3"stainless steel or brass 4 14 days' 4°C <br /> cylinder j� M <br /> Water 2-40 ml glass vial, teflon it 14 <br /> days' 4°C <br /> seal/silicon septum <br /> Ethylene Dibromide Soil 3"stainless steel or brass i, 14 days2 4°C <br /> cylinder �b <br /> Water 2-40 ml glass vial, teflon it 14 days' 4°C <br /> seallsilicon septum 1 ;� <br /> Poiynucfear Aromatic Soil 8 oz. wide mouth glass 14 days' 4°C <br /> Hydrocarbons with teflon seal I 40 daysZ <br /> Water 1000 ml amber glass with I" 7!Idays' 4°C <br /> teflon seal ;� 40 days2 <br /> Polychlorinated Sail 8 oz. wide mouth glass j! 7;idays' 4°C <br /> Biphenyls with teflon seal I� 40 days2 <br />! Water 1000 mi amber glass with �J 71�days'2 4°C <br /> teflon seal 40 days <br /> I Total Metals Soil 3" stainless steel or brass 6 months 4°C I <br /> cylinder <br /> t Water 1000 ml plastic 6 months 40C, HNO3 to pH<2 <br /> Dissolved Metals Water 1000 ml plastic 6 months 4°C, HNO3 to pH<2, <br /> �{ k 0.45 Micron Filtration <br /> Pesticides Soil 3"stainless steel or brass j 14 daysZ 4°C <br /> cylinder I P <br /> ! ) <br /> Water 1 Lglass �i 7:days2 4°C <br /> a <br /> I R <br /> ' = Maximum holding time for sample(extract within this time or,analyze if extraction is not required. <br /> 2 = Maximum holding time for extract(analyze within this time).�� <br /> i! ' = Maximum holding time for sample when pH adjusted with HCl. } <br /> i'i <br /> !li <br />! rnA...1W:Wdmin\Shells\QAQC-98.DOC <br /> CI 'S <br />