Oil & Grease Methods

Apr 1

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4/1/2007 4:00 AM  RssIcon

oil & greeseThe Rule withdraws approval for all Oil & Grease methods (413.1, 413.2, 418.1) that use Freon-113 (1,1,2-Trichloro-1,2,2- trifluoroethane) as an extraction solvent. Weck laboratories has been performing the new replacement methods, EPA 1664 Hexane Extractable Material (HEM) and Silica Gel Treated (SGT) to report Oil & Grease and Non-Polar Oil & Grease since 1998. Weck has performed over 4600 analyses since 2003.

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