870.19 for high-rank coals or the difference between total moisture and inherent moisture calculated according to Sec. 870.20 for low-rank coals. Total moisture means the measure of weight loss in an air atmosphere under rigidly controlled conditions of temperature, time and air flow, as determined according to either Sec. 870.18 General rules for calculating excess moisture. If you are an operator who mined coal after June 1988, you may deduct the weight of excess moisture in the coal to determine reclamation fees you owe under Sec.
Excess moisture is the difference between total moisture and inherent moisture.
To calculate excess moisture in HIGH-rank coal, follow Sec. To calculate excess moisture in LOW-rank coal, follow Sec. Report your calculations on OSM-1, Coal Reclamation Fee Report, for every calendar quarter in which you claim a deduction. 870.19 and 870.20. But whoever does a test, you are to keep test results and all related records for at least six years after the test date.