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EFCI Southfield Mine -Year 2006 Annual Hydrology Report April 25, 2007 <br />NEWLIN CREEK (DOWNSTREAM) WATER QUALITY DATA ' <br /> (Monitoring Point NC-1) ~ k <br /> I { <br /> 2006 Sample Date: € <br /> <br />PARAMETER ~ <br />UNITS k 2nd QTR. k 4th QTR. _ 2006 <br />AVERAGE ( ____ __ 1_9.9.7 - 20_0.5 <br />MIN AVE. MAX. <br /> k No Flow k No Flow j No Flow <br />pH(feld) units k ~ 7.600 8.383 10.000: <br />__ <br />Conductivit field umhos/cm ~ __ ____ ___ __ <br />83.000 __ <br />138.400 275.000' <br />Temperature field de C ~ 6.200 12.271 23.000 I <br />Solids, total suspended m /I 0.000 21.143 68.000 -'. <br />Solids, total dissolved _ mg/I 110.000 124.286 180.000 '.: <br />Oil and Grease (visual) ____ <br />yes/no ~ 0.000 0.000 0.000 <br />SAR in water m /I 0.000 0.230 0.370 I <br />Bicarbonate as CaC03 m /1 55.000 70.714 129.000 ~ <br />Calcium TR __ <br />Chloride ~mg/I ___ ( <br />m /I _______ ' _ _ ___ _ <br />~ _ ____16.600 _ <br />0.000 ___20.771 <br />1.429 _3. 7.600 <br />2.000 <br />Magnesium TR m /I 4.200 5.629 8.900 <br />Nitrogen, nitrate nitrite mg/I ___ L_ _ __ __ __0.000 ~ <br />~ _ _ 0.026 _ 0.100 <br />SeleniumTR !m /I ~ 0.000 0.000 0.000 <br />Phosphorus, ortho m /I ~ 0.010 0.023 0.040 <br />Sodium ~m /I 4.000 5.257 9.400 <br />Sulfate m /I 10.000 21.429 40.000 <br />Aluminum TR mg/I 0.000 1.066 2.500 <br />ArsenicTR mg/I 0.0000 0.0002 0.0010 <br />Cadmium TR mg/I 0.000 0.000 0.000 <br />C_opperTR _ _ <br />Iron TR mg/I <br />m /I ___ _ _ _ __ 0.000_ <br />0.250 ___0.000 <br />0.993 ___0.000 <br />1.850 <br />Lead TR m /I 0.000 0.000 0.000 <br />ManganeseTR _ mg/I _ __ ______ __ ; 0.008 __ 0.021 0.040.,.:, <br />Mercu T m /I 0.0000 0.0000 0.0000 'i <br />Molybdenum TR mg/I ~ 0.000 0.000 0.000 <br />Zinc TR m /I I 0.000 0.009 0.040 <br /> <br />NOTES: ' <br />1. Zero data values =parameter was anal zed for but not detected. ~ <br />2. Blank data fields = no data. ~ <br />6417/2006 annualhydrp[.doc NWCC INC.- Page 26 <br />