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HG COAL COMPANY <br />SURFACE WATER MONITORING FIELD DATA <br />SAMPLE SAMPLE COND pH TEMP DO TURB FLOW REMARKS <br />SITE DATE umohs/cm s.u. deg. C mg/I NTU cfs <br /> HG8 04/15/87 890 8 11 <br /> HG8 04/27/88 1675 6.6 11 <br /> HG8 05/17/88 2800 7.8 17 <br /> HG8 05/26/89 3250 8.33 <br /> HG8 07124/89 3570 8.69 <br /> HG8 10/05/89 3660 8.65 <br /> HG8 10/31/89 3630 8.1 <br /> HG8 07!29193 3900 8.1 <br /> HG8 04/01/94 4120 8 7 <br /> HG8 04/19/94 2650 7.8 12 <br /> HGB 05!05!94 3590 7.2 13 <br /> HGS 07/01/94 3800 8.1 11 <br /> HG8 08/16/94 4010 8 13 <br /> HGB 09/06/94 4000 8 13 <br /> HG8 03/21/95 100(s) 7.3 7.2 <br /> HG8 05/04/95 430(s) 7.1 8.6 <br /> HG8 10/10/95 1420 7.22 10.8 0.02 <br /> HG8 10/28/95 3350 6.26 10.6 0.14 <br /> HG8 04116196 1510 7.24 10.6 0.3 <br /> HG8 05/13/96 3250 7.95 17.7 7.4 0.02 <br /> HG8 06/05/96 3120 7.46 20.6 0.06 <br /> HG8 07/25/96 3300 0.003 <br /> HG8 07/30/96 4300 6.82 17 0.02 <br /> HG8 08/23/96 3300 14.5 <.001 <br /> HG8 09112!96 3100 8.23 <.001 <br /> HG8 10/15/96 3660 7.55 11.8 0.06 <br /> HG8 10/25/96 3290 7.21 4.8 7.8 0.13 <br /> HG8 10!28196 3660 6.8 8.3 0.06 <br /> HGB 11/27/96 2900 7.92 6.7 0.07 <br /> HG8 12/27/96 0.02 <br /> HG8 01/31/97 3240 7.18 5.6 0.028 <br /> HG8 02/24/97 3100 7.62 3.3 0.034 <br /> HG8 03/11/97 295D 6.5 9.8 0.026 <br /> HG8 03/26/97 1800 7.95 5.3 0.003 <br /> HGB 04/11/97 1140 7.31 6.1 <br /> HG8 05/05/97 1452 7.22 13.9 0.557 <br /> HG8 05/13/97 2820 7.18 17.4 8.1 7.0 0.29 <br /> HG8 06/05/97 1968 7.66 20.9 0.356 <br /> HGB 07729/97 3530 7.8 20.0 0.235 <br /> HGS 08/07/97 3670 7.65 22.8 0.223 <br /> HG8 09/22/97 2020 7.51 12.2 0.164 <br /> HG8 10!16!97 3090 8 13.5 10.6 15.0 0.15 <br /> HG8 10/17/97 3230 7.97 12.5 6.7 <br /> HG8 11/21/97 4640 7.49 5.6 0.09 <br /> HGB 12/08/97 3550 7.45 4.0 0.13 <br /> HG8 01/22/98 3690 7.6 6.7 0.163 <br /> HG8 02/27/98 2710 7.46 7.2 0.105 <br /> HG8 03/17/98 3720 7.05 4.2 0.089 <br /> HGS 04/29/98 1306 6.83 12.8 1.114 <br /> HG8 05/07/98 2330 7.46 10.1 5.9 6.8 0.446 <br /> HG8 06/18/98 3310 8.03 16.7 0.187 <br />Condudrvity suspect <br />Contluctivity suspect <br />Flow estimated <br />Flow nol measured <br />Flow not measuretl <br />Page 3 <br />