Laserfiche WebLink
TABLE 1 <br /> ' SAMPLE CONTAINERS, HOLDING TIMES <br /> AND PRESERVATION <br /> PARAMETER '` ' MATRIX CONTAINER HOLDING TIME PRESERVATION w <br /> TPH Soil 3" stainless steel or 14 days' 4°C <br /> brass cylinder 40 days <br /> (Light Fractions) Water 40 ml glass vial, teflon- 14 days' 40C HCl to pH <2 <br /> faced silicon septum 20 days= <br /> (Heavy Fractions) Water 1 L amber bottles, teflon 7 days' 4°C <br /> seal/silicon septum 40 days <br /> - Soil 3" stainless steel or 14 days' 4°C <br /> BTEX brass cylinder <br /> Water 2-40 ml glass vial, teflon 14 days' 4°C HCl to pH <2 <br /> seal/silicon 40 days <br /> Soil 3" stainless steel or 14 days' 4�C <br /> Purgeable brass cylinder <br /> ' Halocarbons Water 2-40 ml glass vial, teflon <br /> Seal/silicon septum 14 days' 4°C <br /> Soil 3' stainless steel or 14 days' 4°C <br /> Organic Lead <br /> brass cylinder <br /> Water 2`40 ml glass vial, teflon 14 days' 4°C <br /> seal/silicon septum <br /> ' Sad 3" stainless steel or 14 da s2 4°C <br /> Ethylene Dibromide <br /> brass cylinder y <br /> Water 2-40 ml glass vial, teflon 14 days' 4°C <br /> seal/silicon septum <br /> Soil 8 oz. wide mouth glass 14 days' <br /> Polynuclear Aromatic with teflon seal 40 days2 40C <br /> Hydrocarbons Water 1000 ml amber glass 7 days' <br /> with teflon seal 40 days2 4°C <br /> Soil 8 oz wide mouth glass 7 days' 4°C <br /> Polychlorinated with teflon seal 40 days= <br /> Biphenyls Water 1000 ml amber glass 7 days' ° <br /> with teflon seal 40 days" 4 C <br /> Sail 3" stainless steel or 6 months 4°C <br /> Total Metals brass cylinder <br /> ' Water 1000 ml plastic 6 months 40C, HNO3 to pH<2 <br /> 4°C, HNO3 to <br /> Dissolved Metals Water 1000 ml plastic 6 months pH<2, 0.45 Micron <br /> _ Filtration <br /> Soil 3' Stainless steel or 14 days 4°C <br /> Pesticides brass cylinder <br /> Water 1 L glass 7 days' 4°C <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 timel <br /> 3 = Maximum holding time for sample when pH adjusted with HCI <br /> 1 <br /> ' QAQC1092 ML 15 <br />