This supplement lists products certified from December 15, 1975 to June 1, 1977. It contains tables of useful information concerning all certified detector tube units and all approved respirators and updates the lists of approval applicants. Included are coal mine dust personal sampler units and the names and addresses of manufacturers and distributors, compounds announced for gas detector tube certification and the gas detector tube units, respiratory protective devices and the names and addresses of manufacturers and distributors, and an appendix listing the available test procedures. Respiratory protective devices include self contained breathing apparatus; gas masks; supplied air respirators; dust, fume, and mist respirators; and chemical cartridge respirators.
Personal-protective-equipment; Safety-equipment; Air-samplers; Analytical-instrumentation; Measurement-instrumentation; Air-sampling-equipment; Cartridges; Air-quality-measurement-equipment; Detection-equipment; Personal-exposure-detectors; Detectors; Respiratory-protective-equipment; Air-supplied-respirators