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Soderbeck, Gene <br />From: Rott, Gary <br />Sent: Thursday, September 14, 2000 10:48 AM <br />To: Soderbeck, Gene <br />Subject: P Criteria <br />From Mr. Heiskary via a side trip to Dr. Markus, for most of the Metro District (the Northern Hardwood Forest <br />Ecoregion part) the primary (direct body contact, as in being swimable) criteria is 40 ug/L and for secondary a <br />range of 70-90 ug/L is used. <br />Page 1 <br />