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• Table 4. Suitable Filter •ders' <br />~. <.,.., ~ r. <br />uodzl/ <br />Company LocaCion Catalogue ~ Size <br />Nucleopore Corporation Pleasanton, CA 425910 142 rtm <br /> (B00) 882-1711 410400 47 min <br />Micro Filtration Dublin, CA 302400. 142 mm <br />Systems (800) 334-7132 311400 47 mm <br /> (415) 828-6010 <br />Millipore~Corporation Bedford, MA YT30142HW 142 mm <br /> (800) 225-3384 XX1004700 47 mm <br />'Any device capable of separating the liquid from the solid phase of the xaste <br />is suitable, providing that it is chemically compatible with the xaste and the -= <br />constituents to be analyzed. Plastic devices (not listed above) may be used when <br />only inorganic analytes are of concern. The 142 mm size filter holder is . <br />recommended. <br />Table 5. Suitable Filter Media' <br />Pore <br />Stze <br />Company location Model (i:m) <br />Millipore Corporation <br />Nucleopore Corporation <br />Nhatman Laboratory <br />Products; Inc. <br />Bedford, MA AP40 <br />(800) 225-3384 <br />Pleasanton, CA 211625 <br />(415] 4fi3-2530 <br />Clifton, NJ GFF <br />(201) 713-5800 <br />0.7 <br />0.7 <br />0.7 <br />Micro Filtration Dublin, CA ~ GF75 0.7 <br />Systems (800) 334-7132 <br />(415) 828-6010 <br />' Any filter that meets the specifications in Step 4.4 of the Method is suitable. <br />1312 - 25 Revision 0 <br />November 1992 <br />