TESTS ILLINOIS. 
85 
WASHING TEST. 
Test 110, Illinois No. 15. 
Size as shipped, lump and egg. Size as used, crushed to 2 inches. Jig used, Stewart modified. 
Raw coal pounds. . 18, 000 
Washed coal do .... 13, 035 
Refuse do ... . 4, 965 
ANALYSES. 
Test 110. 
Moisture 
Volatile matter 
Fixed carbon. . 
Ash 
Sulphur 
ILLINOIS NO. 16. a 
Bituminous coal from mine No. 7, Big Muddy Coal and Iron Company, Herrin, William- 
son County, 111., on the Illinois Central Railroad. 
Lump and egg coal were shipped for testing under the supervision of Inspector J. S. 
Burrows. This mixture is made by passing the run-of-mine coal over a screen with a 3-inch 
mesh. The coal was used in making washing test No. Ill, coking tests Nos. 7 and 10, 
steaming test No. 1.50, and producer-gas test No. 43. 
Two mine samples were taken for chemical analyses at working faces in the mine, as 
follows: No. 1731 in room 17 off the sixth south entry on the west side, 2,300 feet southwest 
of the shaft; No. 1732 in room 14 off the fifth north entry on the east side, 2,400 feet north- 
east of the shaft. 
CHEMICAL ANALYSES. 
Laboratory number. 
jAir-drying loss 
Moisture 
Volatile matter 
Fixed carbon 
JAsh 
[Sulphur 
Hydrogen 
Carbon 
Nitrogen 
Oxygen 
alorific value determined: 
Calories 
British thermal units. 
Mine sample 
1731 
5.70 
9.37 
30.69 
52.57 
7.37 
1.25 
6,699 
12,058 
1732 
4.80 
8.59 
31.07 
53.37 
6.97 
1.78 
C#r 
samples. 
1820 
4.00 
8.43 
30.08 
51.89 
9.60 
1.14 
5.18 
67. 33 
1.50 
15.25 
6,644 
11,959 
^Furnished by the Illinois Central Railroad Company. 
