- Safety and Health Topics
- Direct-Reading Instruments
This section highlights OSHA standards, letters of interpretation (official letters of interpretation of the standards), and other resources related to direct-reading instruments in the workplace.
General Industry (29 CFR 1910)
- 1910 Subpart H, Hazardous materials
- 1910 Subpart J, General environmental controls
- 1910 Subpart R, Special industries
- 1910.269, Electric power generation, transmission, and distribution. Direct-reading instruments are required to test for oxygen-deficient atmospheres and flammable gases and vapors. [related topic page]
- 1910.272, Grain handling facilities. Requires that the atmospheres of bins, silos, and tanks are tested before entry. [related topic page]
- Appendix A, Grain handling facilities. It specifically states that direct-reading instruments should be used to periodically monitor atmospheres in bins, silos, and tanks.
Shipyard Employment (29 CFR 1915)
- 1915 Subpart B, Confined and enclosed spaces and other dangerous atmospheres
Construction Industry (29 CFR 1926)
- 1926 Subpart D, Occupational health and environmental controls
Letters of Interpretation
- Interpretation concerning 1910.120 requirements for air monitoring, a site safety and health plan, training, and medical surveillance. (August 19, 1998). Identifies colorimetric indicator tubes as a useful and acceptable approach for selected hazardous substances as a component of the air monitoring plan tailored to site specific conditions.
- EPA/Labor Superfund Health and Safety Task Force: OSHA Audits of Superfund Sites from 1993 to 1996. OSHA, (August 25, 1997).
- OSHA Compliance Issues: Correcting Common Health And Safety Program Deficiencies At Remediation Sites. OSHA, (June 1996). Includes some discussion regarding the appropriate use of direct-reading instruments.
- Summary report on OSHA inspections conducted at superfund incinerator sites. OSHA, (September 16, 1993). Describes inspections that evaluated the use of direct-reading methods as part of the exposure assessment program.
There are twenty-eight OSHA-approved State Plans, operating state-wide occupational safety and health programs. State Plans are required to have standards and enforcement programs that are at least as effective as OSHA's and may have different or more stringent requirements.