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COLORADO LEGACY LAND <br /> Chromium lV= Hexavalent Chromium <br /> NO2=Nitrite <br /> NO3=Nitrate <br /> N/A=Standard not Defined <br /> Source: <br /> CDPHE. 2021. Regulation No.41 -The Basic Standards for Ground Water(5 CCR 1002-41). Water Quality Control Commission. December. <br /> PAGE 14 OF 17 <br />