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Bear Coal Company -Bear No. 3 Mine <br />HYDROLOGY MONITORING DATA <br />STATION: SPRING <br />Parameters <br />Date <br />Wet Chemist 125/1997 1/13/1998 2/16/1998 3/16/1998 4/20/1998 5/18/1998 6/30/1998 7/27/1998 8/17/1998 9/21/1998 10/19/1898 11/16/1998 12/1 fi/1998 Min M Ave <br />Alkalini as CaC03 m A <br />Bicarbonate as CaC03 m A 928 1050 1140 1230 1110 1140 1110 1270 1200 1170 1130 1130 1220 928 1230 1134 <br />Carbonate as CaC03 A 0 0 0 0 0 0 0 0 0 0 0 D 0 0 0 <br />H tlroxide as CaC03 m A 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 <br />Total Alkalini m A 928 1050 1140 1230 1110 1140 1110 1270 1200 1170 1130 1130 1220 928 1230 1134 <br />Chloride m A 50 50 48 51 d8 69 50 70 0 30 72 60 fi0 0 51 48 <br />Hardness as CaC03 m A 1500 999 893 743 745 641 538 511 434 410 d44 447 494 410 1500 692 <br />Nitrate as N dissolvetl A 15.0 8.7 5.3 11.7 6.0 5.6 3.0 3.1 2.7 4.6 9.90 9.9 7.6 2.7 15.0 7.13 <br />NilralaMitrite as N dissolved m A 15.6 8.8 5.4 11.8 fi.1 5.7 3.0 3.1 2.7 4.8 10.3 10.3 7.8 2.7 15.6 7.30 <br />NiVite as N dissolved m A 0.6 0.1 0.00 O.Ofi 0 0.05 0.0 0.0 0.0 0.2 0.4 0.33 0.2 0.0 0.6 0.15 <br />Phos hate A 0.24 0.21 0.00 0.20 0.21 0.31 0.18 0.62 0.31 0.31 0.00 0.34 0.27 0.0 0.24 0.24 <br />Phos horns ortho dissolved m A 0.08 0.07 0.00 0.065 0.07 0.10 0.06 0.20 0.10 0.10 0.00 0.11 0.09 0.0 0.080 0.08 <br />Residue Flterable S ®180 C m A 4090 3650 3530 3350 3510 3980 3100 3220 3200 309D 3100 2990 2950 2950 4090 3351 <br />Residue Non-Filterable SS ~ 103-SC A 0 12 402 e6 20 30 36 58 0 10 0 0 0 0.0 402 54.5 <br />Sodium Abso tan Ratio in Watet m A 8.79 11.3 13.60 13.70 12.70 13.90 15.4 17.1 18.70 19.2 18.00 17.60 23.4 8.8 13.70 15 <br />Sutlate A 210 1650 1540 1460 1580 1380 1330 1240 1150 1150 1210 1120 1140 210 1650 1252 <br />