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TABLE 1 <br /> SAMPLE CONTAINERS, HOLDING TIMES <br /> AND PRESERVATION <br /> PARAMETER MATRIX CONTAINER HOLDING TIME PRESERVATION <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' 4°C 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 /> ' <br /> BTEX brass cylinder <br /> Water 2-40 ml glass vial, teflon 14 days' 4°C HCI to pH <2 <br /> seal/silicon 40 days <br /> ' <br /> Soil 3" stainless steel or 14 days' 4°C <br /> Purgeable brass cylinder <br /> Halocarbons 240 ml glass vial, teflon <br /> Water seal/s,l,con septum 14 days 4°C <br /> ' <br /> Sol] 3" stainless steel or 14 days' 4°C <br /> Organic Lead <br /> brass cylinder y <br /> ' <br /> Water 2-40 ml glass vial, teflon 14 days' 4°C <br /> seal/silicon septum <br /> Soil 3" stainless steel or 14 days' 41DC <br /> Ethylene Dibrom,de brass cylinder <br /> Water 2-40 ml glass vial, teflon 14 days' 4°C <br /> seallsil,con septum <br /> ' Soil 8 oz wide mouth glass 14 days' 40C <br /> Polynuclear Aromatic with teflon seal 40 days' <br /> Hydrocarbons 1000 ml amber glass 7 days' <br /> ' Water with teflon seal 40 days? 4°C <br /> Soil 8 oz wide mouth glass 7 days' 4°C <br /> Polychlorinated with teflon seal 40 days' <br /> ' Brphenyls Water 1000 ml amber glass 7 days' 40C <br /> with teflon seal 40 days <br /> Sod 3" stainless steel or 6 months 4°C <br /> Total Metals brass cylinder <br /> Water 1000 ml plastic 6 months 4°C, HNO, to pH<2 <br /> ' 40C, HNO3 to <br /> Dissolved Metals Water 1000 ml plastic 6 months pH<2, 045 Micron <br /> Filtration <br /> ' <br /> Soil 3" stainless steel or 14 days' 4°C <br /> Pesticides brass cylinder <br /> Water 1 L glass 7 days? 4°C <br /> i <br /> ' Maximum holding time for sample (extract within this time or analyze if extraction,s not required <br /> ' s Maximum holding time for extract (analyze within this time) <br /> 9 = Maximum holding time for sample when pH adjusted with HCI <br /> ' QAx=on FWL 15 <br />