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Poly- Soil 8 oz. wide mouth 7 days l/ 4*C <br /> Chlorinated glass with teflon 40 days 2/ <br /> Biphenyls seal <br /> Water 1000 ml amber glass1 <br /> 7 days / 4'C <br /> with teflon seal 40 days 2/ <br /> Total Metals Soil 3" stainless steel, 6 months <br /> or brass cylinder <br /> Water 1000 ml plastic 6 months pH<2 <br /> Dissolved Metals Water 1000 ml plastic 6 months <br /> pH<2, 0.45 <br /> Micron <br /> Filtration <br /> Pesticides Soil 3" stainless steel, 14 days 2/ 4*C <br /> or brass cylinder <br /> Water 1000 ml glass 7 days 2/ 4*C <br /> Note: 1/ = Maximum holding time for sample (extract within this time or analyze if <br /> extraction is not required). <br /> 2/ = Maximum holding time for extract (analyze within this time). <br /> 3/ Maximum holding time for sample when pH adjusted with HC1. <br />