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4 <br /> t <br /> Table 1 (Cont } <br /> sample Containers. Holding Times and Preservation <br /> Holding <br /> Parameter matrix Container Time preservation <br /> poll- Soil a OR wide mouth 7 60rs1l 4,0 <br /> Chlorinated glass with teflon 40 daysz, <br /> Biphenyls meal <br /> Vater 1000 ■l amber glass 7 days l/ !'C <br /> with teflon seal 40 days <br /> Total Metals 0011 3" stainless stool. b months <br /> or harass cylinder <br /> Mater 1000 sl plastic b months pa42 <br /> Dissolved metals Mater 1000 ■1 plastic 5 months pH42, 0 45 <br /> Micron <br /> Filtration <br /> PestLcides Boil 9' stainless steel 14 days2/ d`C <br /> j or brams cylinder <br /> f <br /> Mater 1000 ml glass 7 days 2/ a'C <br /> note. 1/ maximus holding time for sample (extract within this time or nnalyse it <br /> 0xtractian is not required). <br /> maximus holding time for extract (analyze within this time} <br /> 3/ R maximum holding time for sample when pH adjusted with Mcl <br />