Laserfiche WebLink
EFCI Southfield Mine - 2009 Annual Hydrology Report March 10, 2010 <br />TABLE 6 <br />MW-65 WATER QUALITY DATA <br />PARAMETER UNITS 2009 Sample Dates: <br />06/01/09 12/01/09 2009 <br />AVERAGE 1984 -2009 <br />MIN. AVE. MAX. <br />pH (lab) units 8.6 8.2 8.4 7.2 8. 8.8 <br />Conductivity at 25C umhos/cm 1980 1950 1965 770 185 2320 <br />Temperature (field) d C 14.8 12.2 13.5 9.4 14.4 19.0 <br />Solids, total dissolved m /I 1150 1170 1160 1040 1138 1330 <br />Bicarbonate as CaCO3 m /I 748 786 767 198 736 830 <br />Calcium, dissolved m /I 15.8 18.2 17.0 0.0 14.7 36.0 <br />Chloride m /I 140 140 140 60 148 630 <br />Magnesium, dissolved m /l 3.0 3. 3.3 2. 3.0 8.0 <br />Nitrogen, ammonia m I 1.78 2.20 1.99 0.00 1.19 2.50 <br />Nitrogen, nitrate nitrite m /I 0.00 0.04 0.02 0.00 0.17 2.66 <br />Phosphorus, ortho m /I 0.10 0.14 0.12 0.00 0.09 0.64 <br />Phosphorus, total m /I 0.07 0.11 0.16 <br />Sodium, dissolved m /I 462 409 436 370 444 543 <br />Sulfate m /I 49 54 52 12 79 587 <br />Arsenic, dissolved mg/I 0.0000 0.0007 0.0023 <br />Cadmium, dissolved m I 0.00 0.00 0.01 <br />Iron, dissolved m I 0.06 0.1 0.10 0.02 0.1 1.81 <br />Manganese, dissolved m /I 0.142 0.141 0.142 0.020 0.11 0.162 <br />Mercury, dissolved m /I 0.000 0.0002 0.0033 <br />Selenium, dissolved m I 0.00 0.001 0.012 <br />Zinc, dissolved m /I 0.00 0.02 0.06 <br />NOTES: <br />1. Zero data values = parameter was analyzed for but not detected. <br />2. Blank data field = no data. <br />2009 AHR.doc WP Page 14