CHAPTER I―BUREAU OF MINES
DEPARTMENT OF THE INTERIOR
SUBCHAPTER A―HELIUM AND COAL
Part
1 Production and sale of helium.
9 Payments required from owners of private lands upon which the Bureau of Mines performs exploration or development work to investigate known coal deposits.
10 Coalanalysis for non-Federal applicants.
SUBCHAPTER B—RESPIRATORY PROTECTIVE APPARATUS; TESTS FOR PERMISSIBILITY; FEES
11 Self-contained breathing apparatus.
12 Supplied-air respirators.
13 Gas masks.
14 Filter-type dust, fume, and mist respirators.
14a Nonemergency gas respirators (chemical cartridge respirators).
SUBCHAPTER C-—EXPLOSIVES AND RELATED ARTICLES; TESTS FOR PERMISSIBILITY AND SUITABILITY
15 Explosives.
16 Stemming devices.
17 Blasting devices.
SUBCHAPTER D—ELECTRICAL EQUIPMENT, LAMF'S, METHANE DETECTORS; TESTS FOR PERMISSIBILITY; FEES
18 Electric motor-driven mine equipment, junction boxes and other accessory equipment.
19 Electric cap lamps.
20 Electric mine lamps other than standard cap lamps.
21 Flame safety lamps.
22 Portable methane detectors.
