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29 CFR 1926 Subpart D

29 CFR 1926 Subpart D. Occupational Health & Environmental Controls. Major Topics. Medical Services & First Aid Sanitation Occupational Noise Exposure Ionizing Radiation Non-ionizing Radiation Gases, Vapors, Fumes, Dusts, & Mists Illumination Ventilation Hazard Communication

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29 CFR 1926 Subpart D

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  1. 29 CFR 1926 Subpart D Occupational Health & Environmental Controls

  2. Major Topics • Medical Services & First Aid • Sanitation • Occupational Noise Exposure • Ionizing Radiation • Non-ionizing Radiation • Gases, Vapors, Fumes, Dusts, & Mists • Illumination • Ventilation • Hazard Communication • Methylenedianiline (MDA) • Retention of DOT Markings • Lead

  3. Medical Services & First Aid – 1926.50 • Medical services shall be available within a reasonable distance from the worksite; at minimum someone certified in First Aid/CPR should be at the site to render assistance to the injured worker • First Aid supplies shall be accessible • When eyes or body of worker is exposed to corrosive materials, facilities should be available for flushing with water

  4. Universal Precautions • Anytime you are exposed to someone’s bodily fluids (especially blood) you should proceed with extreme precaution in the event that they are carriers of a blood borne disease • Protect yourself at all times with gloves, face shields, masks and eye protection or other appropriate PPE

  5. Sanitation – 1926.51 • Sufficient supply of potable water shall be provided for workers • Containers used to store water shall be clearly marked & not used for other purposes • Disposable cups shall be stored in a sanitary container & disposed of properly

  6. Sanitation con’t • Toilet facilities shall be provided according to Table D-1 • If temporary field conditions exist—a min. of 1 toilet shall be available • Sleeping, food handling and washings facilities shall be sanitary and comply with related laws, ordinances, & regulations

  7. Noise Exposure – 1926.52 • 2 major hazards: • Distraction of worker • Loss of hearing • Key components include: • Monitor hearing hazards • Implement engineering or administrative controls • Use PPE • Record keeping

  8. Engineering/Administrative Controls • Engineering controls • Reduce noise at the source • Interrupt the noise path • Install sound-absorbing material • Reduce vibration which may increase noise levels

  9. Controls con’t • Administrative • Change the work schedule in order to reduce exposure time • Dosimeter used to test work areas for noise levels • Permissible Noise Exposure (PNE)– depends on exposure per day (hours) and the sound level (decibels- dBA) • See Table D-2 for PNE • See textbook, p 151, figure 7-5

  10. Ionizing Radiation – 1926.53 • Radioactive materials and X-rays • See terms on page 162-3 of textbook • Figure 7-9 on page 164 • Personal monitoring system should be used • Areas at risk shall post caution signs & labels

  11. Non-Ionizing Radiation – 1926.54 • Ultraviolet, microwave, radio, infrared • May cause blisters & blindness – cancer suspected through current research • Warning symbol seen in figure 7-14, pg. 170 • Appropriate PPE shall be provided

  12. Airborne Toxic substances – 1926.55 • Inhalation, ingestion, skin absorption are major routes of entry • Engineering & administrative controls shall be used to limit exposure • 1926.55 Appendix A shows various substances and their “Threshold Limit Values”

  13. Illumination – 1926.56 • Table D-3 shows minimum intensities in Foot-candles

  14. Ventilation – 1926.57 • When a workplace contains hazardous substances that require a ventilation system, it shall: • Contain local exhaust systems • System shall be designed, installed, & maintained according to this section of the standards

  15. Hazard Communication – 1926.59 • Comply with all parts of 1910.1200 • Major components: • Written program • Labeling of containers • Material Safety Data Sheets (MSDS) pg. 174 of textbook

  16. Methylenedianiline – 1926.60 • May also be known as MDA • CAS # 101-77-9 • In the form of vapor, liquid, or solid (also includes any salts from MDA) • MDA is found in epoxy hardener • Primary exposure is on skin • Key health risks include: cancer, liver damage

  17. Lead – 1926.62 • Action Level – exposure, w/o using respirators, to an airborne concentration of 30 micrograms per cubic meter of air calculated as an 8 hour time weighted average (TWA) • PEL – Permissible exposure limit – employer shall assure that no employee is exposed to lead concentrations greater than 50 micrograms per cubic meter of air averaged over an 8 hour period

  18. Exposure Assessment • Appropriate respiratory protection & other protective clothing • Change areas • Hand washing facilities • Biological monitoring (blood tests) • Training

  19. Chelation – 1926.62(j)(4) • See page 75 of CFRs • Any reduction of lead in blood level of employee MUST be performed by a licensed physician

  20. References Code of Federal Regulations, Part 1926, Subtitle B - Regulations Relating to Labor, Chapter XVII - Occupational Safety and Health Administration. CCH (2008) with Amendments as of January 2008 Goetsch, D.L. (2003) Construction Safety and Health. Pearson Education Inc. Prentice Hall.

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