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
DATE CU
tot
mq/I CU CN
tot rec free
mg/I mg/I F
diss
mg/I FE
diss
mg/I FE
tot
mq/I FE H2S
tot rec
mg/I mg/I HARD
as CaC03
mg/I HG
tot
mg/I HG
tot rec
mg/I K
diss
mg/I MG
diss
mg/l MN
diss
mg/I MN
tot
mg/I MN
tot rec
mg/I MO
tot
mg/I NA
diss
mg/I NI
diss
mg/I NH3

mg/I NH3
un-ionized N02
diss
mg/I N03
diss
mg/I
11/05/87 0.06 0.1 22.8 678 -0.0002 61 0.62 -0.05 39 -0.02 0.38 0.45
03/28/88 0.06 0.2 119 582 -0.0002 56 0.96 -0.05 29 1.72 0.01 2.73
06/28/88 -0.01 0.2 12 0.0006 73 0.1 -0.05 23 0.73 -0.01 0.96
08/11/88 -0.01 0.1 18.8 -0.0001 77 0.1 -0.05 31 1.07 -0.01 1.06
10/10/BB -0.01 0.2 394 0.0001 64 0.13 -0.05 19 1 -0.01 1.16
10/25/88 -0.01 0.1 76.8 -0.0001 72 0.09 -0.05 32 0.03 0.06 1.14
08/07/69 0.01 0.2 44 -0.0001 68 0.08 -0.05 35 1.03 -0.01 -0.02
10/05/89 112 965 -0.0001 197 0.02 29 1.35 0.16 1.05
06/15/90 0.02 0.2 105 725 -0.0001 69 0.18 -0.05 35 1.14 0.17 1.42
09/20/90 -0.01 0.2 101 823 -0.0001 66 0.22 -0.05 37 1.36 0.03 2.02
06/03/91 -0.01 0.2 0.67 760 -0.0001 64 0.11 -0.05 35 0.81 0.07 0.57
10/11/91 -0.01 0.1 2.11 689 -0.0001 60 0.1 -0.05 34 0.94 0.09 0.45
05/14/92 -0.01 0.2 4.96 736 -0.0001 66 0.12 -0.05 37 1.28 -0.01 0.5
09/03/92 -0.01 0.3 -0.02 501 -0.0001 54 -0.01 -0.05 29 0.08 -0.01 0.98
06/10/93 -0.01 0.2 0.63 799 -0.0001 65 0.09 -0.01 0.66 -0.01 0.07
08/30/93 0.03 0.2 1.9 -0.0002 56 0.08 -0.01 25 0.73 -0.01 0.07
05/05/94 -0.01 0.2 48.1 554 -0.0002 48 0.12 -0 01 31 0.92 -0.01 0.31
09/06/94 -0.01 0.2 12.7 757 65 0.11 -0.01 39 1.24 -0.01 0.2
06/27/95 -0.01 0.2 25 682 60.6 0.16 -0.01 29.6 0.89 -0.01 0.36
10/11/95 -0.01 0.2 2.15 709 62.3 0.083 -0.01 26.7 0.91 -0.01 0.04
06/20/96 -0.1 0.3 0.27 5.5 -0.02 644 -0.0002 3.1 56.4 0.077 0.088 25.9 -0.01 0.49 -0.05 -0.01 0.38
11/19/96 -0.1 0.2 0.91 4.57 -0.02 720 -0.0002 3.7 62 0.098 0.097 28.7 -0.01 0.59 0.02 0.11
06/19/97 -0.1 0.3 0.2 14 0.04 577 2.7 50.9 0.08 0.16 21.7 0.01 0.22 -0.01 0.44
10/15/97 -0.05 0.2 -0.01 217 0.08 757 3.6 59.4 0.162 2.44 29.3 -0.01 1.02 -0.01 0.05
07/14/98 -0.01 0.2 0.03 28.8 0.04 590 3.2 52.9 0.105 0.301 23.5 -0.01 0.47 -0.01 0.23
NUMBER 22 0 2 24 5 23 2 5 19 17 2 5 25 5 23 2 19 24 5 25 1 25 25
MINIMUM -0.1 -0.1 0.1 -0.01 -0.02 4.57 -0.02 501 -0.0002 -0.0002 2.7 48 0.077 -0.01 0.088 -0.05 19 -0.01 -0.02 -0.05 -O.Ot -0.02
MAXIMUM 0.06 -0.1 0.3 0.91 394 5.5 0.08 965 0.0006 -0.0002 3.7 197 0.162 2.44 0.097 -0.01 39 0.01 1.72 -0.05 0.38 2.73
MEAN 0.015 0.05 0.20 0.28 59 5.0 0.04 697 0.0001 0.0001 3.3 67 0.10 0.28 0.093 0.019 30 0.006 0.83 0.025 0.044 0.67
STD DEV 0.018 0 0.05 0.33 89 0.5 0.03 106 0.0001 0 0.4 27 0.03 0.50 0.005 0.009 5 0.002 0.43 0 0.084 0.66
#<DL 17 0 2 0 1 1 0 2 0 15 2 0 0 0 1 0 19 0 4 1 1 16 1
Notes: Blank value indicates analysis not performed for that parameter.
'=" indicates result below laboratory detection limit. 1/2 the detection limit is used (or the purpose of cal culating mean and standard deviation.
(s) indicates result determined to be anamalous and is not included in the calculation of t he summary statistics
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