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8 <br />Arsenic (As) No data <br />available Data not available <br /><0.0002-0.0015 <br />(8 <br />measurements) <br />0.010 (MCL) <2-15% - <br /> <br />MDL = Method Detection Limit; Chronic aquatic standards are the most protective criteria for continuous exposure <br />scenarios <br />Table 2: Water Quality Indicators <br />Parameter USGS 06693800 CDPHE 21COL001 DRMS L-5 Colorado Standards <br />pH (standard units) No data available 6.34-7.96 (3 <br />measurements) <br />7.56-8.10 (3 <br />measurements) 6.5-9.0 <br />Conductivity (µS/cm) 105-323 (avg 241.2, 46 <br />measurements) Data not available Data not available No numeric standard <br />Temperature (ºC) 0.0-14.5 (avg 4.4, 46 <br />measurements) Data not available Data not available Site-specific criteria <br /> <br /> <br /> <br /> <br /> <br />