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Table I (Cont. ) <br /> Sample Containers. !folding Times and Preservation <br /> ' Holding <br /> Parameter Matrix Container Tine Premervatlo- <br /> -------------------------------------------------------------------------------------- <br /> ' poly- soil 8 os . wide mouth 7 days!/ 4*C <br /> Chlorinated glass with teflon 40 days 2/ <br /> ' Biphenyls seal <br /> Water 1000 ml amber glass 7 dais l/ 4*C <br /> with teflon seal 40 days 2/ <br /> 1 <br /> Total Metals Soil 3' stainless steel. 6 months <br /> ' or brass ailindar <br /> Water 1000 al plastic 6 months PH42 <br /> ' Dissolved Metals Water 1000 ■l plastic 6 months pH42. 0 45 <br /> Micron <br /> Filtration <br /> ' pesticides Boil 3' stainless steel, 14 days 2/ 4*C <br /> or brass cylinder <br /> Water 1000 al glass 7 days/ 4*C <br /> ' <br /> Note 1/ * Maximus holding time for sample (extract within this time or analyze __ <br /> extraction is not required). <br /> 2/ a MasI us holding time for extract (analyse within this time). <br /> ' 3/ . Maximum holding time for sample when pH adjusted with HCI <br /> 1 <br /> 1 <br />