Laserfiche WebLink
<br />TABLE 5 <br />MEAN AVERAGE VALUES <br />(March 20, 1980 to March 14, 1986) <br />Somerset Mine - Hubbard Creek -Monitoring Stations <br />Water <br />Quality Ground Water Surface Surface <br />Standards Well Station Station <br />Parameter mg/1 WMW-1 H-1 N-2 <br />pH 6.5-9.0 8.6 7.8 7.7 <br />Boron .75 .66 .125 .06 <br />Nitrite .05 .07 .005 .025 <br />Nitrate 10.0 1.0 .171 .124 <br />Chloride (a) 250 83 14 5 <br />Sulfate (S04) 250 134 27 25 <br />Arsenic .05 .005 .005 .003 <br />*Cadmium .001 .002 .002 .002 <br />Chromium (TRI) .05 .004 .006 .005 <br />Copper .O1 .204 .11 .033 <br />Lead .025 .028 .012 .009 <br />*Mercury .00005 .0002 .0002 .0002 <br />Mickel .1 .014 .043 .028 <br />Selenium .O1 .001 .002 .002 <br />Zinc .05 .058 .398 .085 <br />Iron (Total) 1.0 4.89 1.8 1.3 <br />Manganese (Total) 1.0 .12 .06 .045 <br />*Mean average values indicated are the lower detection limits for laboratory <br />analysis. Actual values are less than the reported detection limit. <br />39A <br />