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a <br /> Table 1 (Cont. ) <br /> !ample Containers. Holding Times and Preservation <br /> Holding <br /> Parameter Matrix Container Time Presorvatioa <br /> -------------------------------------------------------------------------------------- <br /> Poly- soil 8 os. vide south 7 daisy/ 4*C <br /> Chlorinated glass with teflon 40 dais 2/ <br /> Diphenyls seal <br /> Vater 1000 al amber- glass 7 days l/ 4'C <br /> with teflon seal 40 days 2/ <br /> Total Metals soil 3' stainless steel. 6 months <br /> or brass cylinder <br /> Vater 1000 •ml plastic 6 months pH42 <br /> Dissolved Metals Vater 1000 al plastic 6 months 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 ■l glass 7 days 2/ 4*C <br /> Note: 1/ - Maximum holding time for sample (extract within this time or analyse -_ <br /> extraction is not required). <br /> 2/ Maximum holding time for extract (analyse within this time). <br /> 3/ Maximum holding time for sample when pH adjusted with HCl. <br />