As used in these regulations in determining standards and/or substandard anthracite the terms undersize and ash content are defined as follows:
Round-Hole Screen Sizes (in inches) | ||||
Size | Passing Through | Retained On | Undersize (Percent)(Maximum) | |
Egg . . . . . . . . . . . . . . . . | 3-1/4 | 2-7/16 | 15 | |
Stove . . . . . . . . . . . . . . . | 2-7/16 | 1-5/8 | 15 | |
Chestnut . . . . . . . . . . . . . | 1-5/8 | 13/16 | 15 | |
Pea . . . . . . . . . . . . . . . . . | 13/16 | 9/16 | 15 | |
No. 1 Buckwheat. . . . . . . | 9/16 | 5/16 | 15 | |
No. 2 Buckwheat. . . . . . . | 5/16 | 3/16 | 17 | |
No. 3 Buckwheat. . . . . . . | 3/16 | 3/32 | 20 | |
No. 4 Buckwheat. . . . . . . | 3/32 | 3/64 | 20 |
Size | Ash (Dry Basis Percent)(Maximum) | |
Egg . | . . . . . . . . . . . . . . . . . . . . . . . | 10 |
Stove | . . . . . . . . . . . . . . . . . . . . . . . | 10 |
Chestnut | . . . . . . . . . . . . . . . . . . . . . . . | 11 |
Pea | 12 | |
No. 1 Buckwheat. | . . . . . . . . . . . . . . . . . . . . . . . | 13 |
No. 2 Buckwheat. | . . . . . . . . . . . . . . . . . . . . . . . | 13 |
No. 3 Buckwheat. | . . . . . . . . . . . . . . . . . . . . . . . | 14 |
No. 4 Buckwheat. | . . . . . . . . . . . . . . . . . . . . . . . | 15 |
Conn. Agencies Regs. § 16a-23a-1