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EFCI Southfield Mine -Year 2006 Annuat Hydrology Report Apri125, 2007 <br />~ ( TABLE 8, i ~ <br /> MW-65 WATER QUALITY DATA] I I <br /> ~ I <br /> I <br />___ <br />PARAMETER <br />UNITS _ SAM_P_L_ E DATES: _ <br />6/20/2006 11!20/2006 2006 ,) <br />AVERAGE ._ _ <br />MIN. 1984 - 2006 ___ <br />AVE. MAX <br />pH (lab) units 8.400 8.000 8.200 7.200 7.962 8.800 <br />Conductivi at 25C umhos/cm 1870.000 2030.000 1950.000 ~ 770.000 1845.400 2320.000 <br />Temperature field) deg C 16.600 14.100 ( 15.350 9.400 14.502 19.000 <br />Solids, total dissolved mg/I 1150.000 _ 1130.000 1140.000 1040.000 1136.880 1330.000 <br />Bicarbonate as CaCO3 mg/1 804.000 782.000 _ <br />793.000 198.000 732.240 _ <br />830.000 <br />Calcium, dissolved mg/I 0.000 15.600 7.800 0.000 14.470 36.000 <br />Chloride m /I 148.000 149,p00 148.500 60.000 149.245 630.000 <br />Magnesium, dissolved mg/I 2.600 2.600 2.700 2.000 2.984 B.OOD <br />Nitrogen,ammonia mg/I 1.7_00 ___1.820___ _1.760 _ 0.000 1.118_ 2.500 _ <br />Nitrogen, nitrate nitrite mg/I 0.020 0.050 0.035 I 0.000 0.187 2.660 <br />Phosphorus, ortho mg/I 0.040 0.110 0.075 0.000 0.089 0.640 <br />Phosphorus, total mg/I 0.074 0.114 0.157 <br />Sodium, dissolved mg/I 415.000 398.000 406.500 370.000 445.160 543.000 <br />Sulfate__ mg/I 50.000 _ 60.000 55.000 12.000 81.960 587.000 <br />Arsenic, dissolved mg/I 0.001 0.002 0.002 0.000 0.001 0.002 <br />Cadmium, dissolved mg/I 0.000 0.000 0.000 0.000 0.001 0.010 <br />Iron, dissolved m /I 0.030 0.050 0.040 0.020 0.210 1.810 <br />Manganese, dissolved mg/I 0.139 0.144 0.142 , . 0.020 0.114 0.162 <br />Mercury,, dissolved mg/I __ 0.000___ __0.000___ 0.000 I <br />- 0.000 <br />L______-- _0.0_00 <br />- 0.003_ <br />Selenium, dissolved m /I 0.000 0.000 0.000 0.000 0.001 0.012 <br />Zinc, dissolved mg/I 0.030 0.010 0.020 0.000 0.021 0.060 <br /> <br />NOTES: <br />1. Zero data values =parameter was analyzed for but not detected. <br />2. Blank data feld = no data. <br />6417/2006 annual hyd rDt.doc IYYYCC ~N^. P8g'E 2~ <br />