Coal will be taxed at the 4.4% rate if the selling price is less than $25 a ton for underground-mined coal and less than $12.50 a ton for surface-mined coal. Apply the tax proportionately if a sale or use includes a portion of a ton.

Jun 12, 2018 · Coal seam fires are nothing new, but Centralia's is the United States' worst and one of history's most devastating. Before the 1962 fire, Centralia had been a mining center for over a century.

equipment. This includes underground coal and hard-rock mines, as well as surface mines, stone mines, and hard-rock tunnels. Because dust sampling has so many pitfalls, a chapter on methods used to sample dust is included. For those occasions when there is no practical engineering control, a chapter on respirators is also included.

Subchapter O. COAL MINE SAFETY AND HEALTH; Part 75. MANDATORY SAFETY STANDARDS - UNDERGROUND COAL MINES; Subpart F. Electrical Equipment - General; Section 75.510-1. Repair of energized trolley wires; training.

Jun 30, 2020 · Ascend Performance Materials announced today it submitted its first FDA 510(k) for clearance to market its patent-pending Acteev™ technology in the .

Subchapter O. COAL MINE SAFETY AND HEALTH; Part 77. MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES; Subpart F. Electrical Equipment - General; Section 77.510. Resistors; location and guarding.

§ 75.510 Energized trolley wires; repair. [Statutory Provisions] Energized trolley wires may be repaired only by a person trained to perform electrical work and to maintain electrical equipment and the operator of a mine shall require that such person wear approved and tested insulated shoes and wireman's gloves.

Subchapter O. COAL MINE SAFETY AND HEALTH; Part 72. HEALTH STANDARDS FOR COAL MINES; Subpart D. Diesel Particulate Matter - Underground Areas of Underground Coal Mines; Section 72.510. Miner health training.

Section 72.510(b) requires underground coal mine operators to keep a record of the training for one year. Section 72.520(a) and (b) requires underground coal mine operators to maintain an inventory of diesel powered equipment units together with a list of information about .