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<br /> <br />., <br />TABLE 1.0 ANALYTICAL SUMMARY TABLE BIG FIVE DISCHARGE SAMPLES <br />Metals concentrations expressed in micrograms/Liter <br />Sampling Event As Cd Cu Hg Mn Pb Zn <br />1985 Phase I RI 10 48 1710 NAF 19,700 91 9770 <br />1989 Phase II RI 10 27 690 NAF 18,800 5 9100 <br />2001 CDPHE NAP' 24 1500 NAF 32,200 NAF 9160 <br />2005 UOS (1) 2 20 2960 0.1 19,500 16 7610 <br />State Drinking Water MCL 10 5 - 2 - - <br />State Drinking Water MCLG <br />State Seconds MCL <br />A uatic Life NEC/W CD - <br />- <br />S M <br /> <br />0.4/3 1300 - <br />100 - <br />5/7 0.01 a - <br />50 <br />100011493 15 <br />- <br />. 4/2 - <br />500 <br />471200 <br />NAF = Not Analyzed For <br />MCL - Maximum Contaminant Level <br />MCLG - Maximum Contaminant Level Goal <br />NEC - No Effect Concentrations are metal concentrations at which aquatic life does not suffer any toxic effects <br />(1) UOS - START contractor for EPA's Emergency-Response Team <br />(2) WQCD - aquatic standards for Clear Creek Segment 2 <br />Y