WVGES Trace Elements in West Virginia Coals

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West Virginia Trace Element
Summary Statistics

Element
Average
ppm
Standard
Deviation
maximum
ppm
minimum
ppm
number of analyses
1.02
1.15
23.3
0
850
17.13
38.52
727
0.080
848
109.86
298.98
6360
5.665
850
2.57
2.04
24.72
0.007
851
0.320
0.401
3.534
0.045
175
20.01
16.11
216.72
1.14
814
23.88
11.47
67.00
0.05
512
0.096
0.131
1.285
0.003
735
16.88
10.00
95
3
552
1.15
1.36
15.2
0.04
786
959
745
8150
0
254
17.85
12.71
131.8
2.6
850
7.41
4.89
43.2
1.0
851
20.40
19.79
275.4
0.868
850
2.03
1.02
6.18
0.44
77
1.09
0.64
4.66
0.19
211
0.33
0.17
1.78
0.09
546
62.68
49.68
370.00
10.00
501
1.46
1.19
13.26
0.187
338
6.45
5.26
90.42
0.672
851
3.09
4.62
51.48
0.058
732
6.062
3.905
8.823
3.300
2
0.72
0.60
7.20
0.10
514
0.52
0.27
1.42
0.15
47
0.91
0.46
1.28
0.37
5
0.95
 
0.95
0.95
1
9.23
5.88
54
1.0
552
8.19
6.23
70.56
0.55
851
19.09
18.12
168.51
0.833
851
0.133
0.073
0.570
0.01
508
21.29
42.58
682
0.728
851
0.19
0.39
9.3
0.0
818
2.37
3.62
52.5
0.072
823
8.65
5.56
41.40
1.16
424
13.99
9.15
99.9
1.704
851
3.21
3.64
33.00
0.11
839
3.11
2.87
11.83
0.41
80
0.57
 
0.57
0.57
1
23.62
21.13
161.0
0.55
403
1.52
0.86
8.30
0.10
542
3.71
2.19
13.69
0.52
851
4.20
2.83
21.30
0.00
845
0.058
0.061
0.530
0.006
566
91.68
79.11
1444.8
5.26
847
0.195
0.158
1.39
0.02
467
0.083
0.037
0.246
0.033 
112
0.261
0.148
1.260
0.015
498
1.194
1.550
16.2
0.000
337
3.02
2.12
12.9
0.32
828
0.283
0.136
0.629
0.095
11
2.20
2.68
27.00
0.04
543
0.79
0.44
4.24
0.08
436
1.59
1.35
17.12
0.22
833
24.36
18.00
155.32
2.40
851
0.80
0.44
3.10
0.19
554
7.53
4.21
32.61
0.91
851
14.97
17.57
202.40
0.87
850
24.32
20.59
146.22
0.35
753