58 
PRELIMINARY REPORT ON COAL-TESTING PLANT, [bull. 261. 
Analyses of mine and laboratory ear samples of coal — Continued. 
Laboratory sample No 
Loss of moisture on air-drying. 
Analysis of air-dried sample. 
Moisture 
Volatile matter 
Fixed carbon 
j Ash 
(Sulphur 
Hyrogen 
9 \ Carbon 
P Nitrogen 
[ Oxygen 
Calorific value determined: 
Calories 
British thermal units.. 
Calorific value calculated from ultimate 
analysis: 
Calories 
British thermal units 
Analysis correeted to sample as received. 
\ Moisture 
g Volatile matter 
Fixed carbon 
( Ash 
(Sulphur 
Hydrogen 
Carbon 
Nitrogen 
Oxygen 
Calorific value determined: 
Calories 
British thermal units 
Calorific value calculated from ultimate 
analysis: 
Calories 
British thermal units 
West Virginia No. 11. 
Mine 
sample 
A. 
1234 
1.50 
0.72 
18.56 
75.40 
5.32 
0.45 
8,343 
15,017 
2. 21 
18. 28 
74. 26 
5.25 
0.44 
Mine 
sample 
B. 
Labora- 
tory car 
sample. 
8,218 
14,792 
1235 
2.60 
0.46 
18.74 
76.11 
4.69 
0.51 
3.05 
18.26 
74.12 
4.57 
0.50 
1472 
3.30 
0.80 
16.90 
70.80 
11.50 
0.53 
4.03 
79.12 
1.04 
3.78 
7,761 
13, 970 
7,631 
13, 736 
4.07 
16.34 
68.47 
11.12 
0.51 
4.27 
76. 51 
1.00 
6.59 
7, 505 
13,509 
7,379 
13,282 
West Virginia No. 12. 
Mine 
sample 
A. 
1238 
1.60 
0.32 
19.68 
75.54 
4.46 
0.53 
8,427 
15, 169 
1.92 
19.36 
74.33 
4.39 
0.52 
8,292 
14, 926 
Mine 
sample 
B. 
1242 
2.90 
0.60 
19.45 
75.93 
4.02 
0.75 
8,428 
15, 170 
3.48 
18.89 
73.73 
3.90 
0.73 
8,184 
14,731 
1364 
