The EPA has published a pre-publication of some potential changes to 22 methods for the Water Program.  Some assoicated changes include updates to Method 1664 O/G, 200.5/200.7, lots of organic pesticides and PCB's and lots of changes for the Standard methods 4500 Series.  A FACT SHEET is available as well as the Full 167 page DOCUMENT is available as a pdf from the EPA.

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