REV03671

• Permit No: C1980003
• IBM Index Class Name: Revision
• Doc Name: HG COAL CO GROUND WATER MONITORING WELL HG-1
• Type & Sequence: SL3
• Media Type: D
• Archive: No

HG COAL COMPANY
GROUND WATER MONITORING WELL HG-2
SAMPLE N03/N02 PB PB PB PH SAR SE SE SE S04 SS TDS TSS TURB TVS ZN ZN REMARKS
DATE diss tol tot rec lab diss tot tot rec diss diss tot
mg/I mg/I mg/I mg/I s. u. mg/I mg/I mg/I mg/I m1/hr mg/I mg/I NTU mg/I mg/I mg/I
11/05/87 0.83 0.02 0.66 -0.002 385 926 0.23
03/28/88 2.74 -0.02 7.4 0.53 -0.001 317 806 0.18
06/28/88 0.96 -0.02 7.5 0.38 -0.001 397 1064 0.24
08111/88 1.06 -0.02 7.1 0.47 0.001 397 972 0.3
10/10/88 1.16 -0.02 7 0.3 0.002 385 966 0.44
10/25/88 1.2 -0.02 6.7 0.5 -0.001 372 974 0.39
08/07/89 -0.01 -0.02 7.1 0.56 -0.001 157 1014 0.27
10/05/89 1.23 -0.02 7.5 0.41 0.002 397 988 0.01
06/15/90 1.59 -0.02 7.7 0.57 0.002 383 986 0.26
09/20/90 2.05 -0.02 7.6 0.57 0.001 391 976 0.03
06/03/91 0.64 -0.02 7.9 0.56 -0.001 391 898 0.02
10/11/91 0.54 2.11 7.9 0.57 -0.001 389 1024 0.02
05/14/92 0.5 -0.01 6.3 0.6 -0.001 407 994 -0.01
09/03/92 0.98 -0.02 7.8 0.57 0.002 251 732 -0.01
06110193 0.07 -0.02 7.1 0.002 383 910 -0.01
08/30/93 0.07 -0.02 7 0.43 0.004 305 936 -0.01
05/05/94 0.3 -0.02 7.1 0.58 -0.001 364 938 -0.01
09/06194 0.2 -0.02 7.3 0.62 0.001 385 946 50 63 50 -0.01
06/27195 0.36 -0.02 6.9 0.49 -0.001 380 980 60 101 32 0.04
10/11/95 0.04 -0.02 0.47 -0.001 332 900 10 12.6 -5 0.02
06/20/96 0.38 0.04 6.9 0.44 -0.001 240 810 6 37 -0.01
11/19/96 0.13 -0.02 7.5 0.47 -0.001 330 940 24 0.05
06/19/97 0.44 -0.04 -0.4 7.7 -0.001 190 710 204 -0.01 -0.1
10/15/97 0.05 -0.04 -0.2 7.5 0.46 -0.001 0.005 310 850 610 -0.01 0.07
07/14198 0.23 -0.04 -0.04 7.1 0.42 -0.001 -0.001 210 730 124 -0.01 0.03
NUMBER 25 5 23 0 23 23 3 22 2 25 0 25 8 4 3 5 23
MfNIMUM -0.01 -0.04 -0.4 6.7 0.3 -0.001 -0.002 -0.001 157 710 6 12.6 -5 -0.01 -0.1
MAXIMUM 2.74 0.04 2.11 8.3 0.66 -0.001 0.005 -0.001 407 1064 610 101 50 0.05 0.44
MEAN 0.71 0.02 0.11 7.4 0.51 0.0005 0.001 0.0005 338 919 136 53 28 0.01 0.11
STD DEV 0.67 0.01 0.43 0.4 0.08 0 0.001 0 72 93 190 33 20 0.02 0.14
#<DL 1 4 21 0 0 0 3 12 2 0 0 0 0 0 1 4 7
Insufficient sample for pH
AG value estimated
Notes: Blank value indicates analysis not performed for that parameter.
'=" indicates result below laboratory detection limit. 1l2 the detection limit is used for the purpose of calculating mean and standard deviation.
(s) indicates result determined to be anamalous and is not included in the calculation of the summary statistics
File: 98STATS.x1s, 8~1g98 Pape 3 0l3