Sampling in mines and/or in explosive atmospheres.
Air sampling instruments for evaluation of atmospheric contaminants, 7th edition. Hering SV, ed. Cincinnati, OH: American Conference of Governmental Industrial Hygienists (ACGIH), 1972 Jan; :D-1--D-2
Environmental sampling in areas where flammable materials are present necessitates the use of intrinsically safe or explosion-proof electrically operated devices. The designation of the classification of the hazard, the provisions for operation, and the agencies responsible for approving the equipment are described.
Mining; Mining industry; Flammable gases; Explosion prevention; Explosive hazards; Explosive gases; Explosive dusts; Explosive atmospheres; Sampling equipment; Samplers
Air sampling instruments for evaluation of atmospheric contaminants, 4th edition