Subpart D Occupational Health and Environmental Controls
62 flashcards covering Subpart D Occupational Health and Environmental Controls for the OSHA OSHA 10/30 Construction section.
Subpart D of OSHA's regulations, specifically 29 CFR 1926 for construction and 29 CFR 1910 for general industry, outlines requirements for occupational health and environmental controls. This includes managing hazards like noise exposure, illumination, sanitation, and ventilation to protect workers from health risks in construction environments. These standards aim to prevent illnesses and injuries by enforcing controls that address physical, chemical, and biological hazards in the workplace.
On OSHA 10/30 certification exams, this topic often appears in multiple-choice questions that test knowledge of specific control measures, hazard identification, and compliance documentation. Common traps include overlooking the need for ongoing monitoring or confusing Subpart D requirements with those in other subparts, such as personal protective equipment in Subpart E. Always double-check that environmental controls are tailored to site-specific conditions to avoid real-world oversights.
Terms (62)
- 01
Under 29 CFR 1926.50, what must employers provide for medical services on site?
In the absence of an infirmary, clinic, or hospital in near proximity to the worksite, a person or persons shall be adequately trained to render first aid (29 CFR 1926.50(d)).
- 02
What is required for first aid kits under 29 CFR 1926.50?
First aid kits shall be placed in locations that are readily accessible for use and shall be adequate to provide first aid for work-related injuries (29 CFR 1926.50(d)(2)).
- 03
Under 29 CFR 1926.51, how must drinking water be provided?
Potable drinking water shall be provided and shall be suitably cool and in containers that are clearly marked as to the nature of the liquid and not used for any other purpose (29 CFR 1926.51(a)).
- 04
What sanitation facilities must be provided under 29 CFR 1926.51?
Toilets shall be provided for employees according to the number of employees and the duration of the work (29 CFR 1926.51(c)).
For a job site with 20 workers, multiple toilets may be needed based on shift length.
- 05
When must nonpotable water be posted under 29 CFR 1926.51?
Outlets for nonpotable water shall be posted to indicate that the water is unsafe and is not to be used for drinking, washing, or cooking (29 CFR 1926.51(b)).
- 06
Under 29 CFR 1926.52, what exposure limits apply to occupational noise?
Protection against the effects of noise exposure shall be provided when sound levels exceed those specified in Table D-2 of 29 CFR 1910.95 (29 CFR 1926.52).
- 07
What is the employer responsibility for noise exposure under 29 CFR 1926.52?
Employers shall administer a continuing, effective hearing conservation program as required by 29 CFR 1910.95 whenever employee noise exposures equal or exceed the values in Table D-2 (29 CFR 1926.52).
- 08
Under 29 CFR 1926.53, what precautions are needed for ionizing radiation?
No employer shall possess, use, or transport ionizing radiation sources without adequate precautions to protect employees (29 CFR 1926.53(a)).
- 09
What controls are required for gases and vapors under 29 CFR 1926.55?
Concentrations of gases, vapors, fumes, dusts, and mists shall be kept below the limits specified in Table D-1 of 29 CFR 1910.1000 (29 CFR 1926.55).
- 10
Under 29 CFR 1926.57, what ventilation is required for grinding operations?
Local exhaust ventilation shall be used on portable grinding operations to control dust and contaminants (29 CFR 1926.57(f)).
- 11
What illumination levels are specified under 29 CFR 1926.56?
Illumination shall be provided as specified in Table D-3 of 29 CFR 1926.56 for various work areas (29 CFR 1926.56(a)).
- 12
How must work areas be illuminated under 29 CFR 1926.56?
Natural or artificial illumination shall be provided to ensure that work areas are sufficiently lighted for safe working conditions (29 CFR 1926.56(a)).
- 13
Under 29 CFR 1926.50, what training is needed for first aid providers?
Persons providing first aid shall be trained in first aid methods and knowledgeable in artificial respiration (29 CFR 1926.50(c)).
- 14
What must employers do for sanitation in temporary work camps under 29 CFR 1926.51?
In temporary work camps, adequate and convenient toilet facilities shall be provided and maintained in a sanitary condition (29 CFR 1926.51(e)).
- 15
Under 29 CFR 1926.55, how are threshold limit values determined?
Threshold limit values for airborne contaminants shall be those values specified in 29 CFR 1910.1000 (29 CFR 1926.55(a)).
- 16
What is required when employees are exposed to harmful dusts under 29 CFR 1926.55?
Engineering controls shall be used to keep dust concentrations within the limits specified in 29 CFR 1910.1000 (29 CFR 1926.55(b)).
- 17
Under 29 CFR 1926.57, what ventilation is needed for abrasive blasting?
Abrasive blasting operations shall be equipped with exhaust ventilation systems sufficient to maintain the concentration of respirable dust within permissible limits (29 CFR 1926.57(f)).
- 18
What protective measures are needed for nonionizing radiation under 29 CFR 1926.54?
Employees shall be protected from nonionizing radiation hazards by shielding or other effective means (29 CFR 1926.54).
- 19
A worker shows signs of heat exhaustion; what should the employer do under Subpart D?
The employer shall provide for prompt medical attention and ensure that affected employees are moved to a cool area and given appropriate treatment (29 CFR 1926.51(a) and related provisions).
- 20
Under 29 CFR 1926.51, what must be done with contaminated water sources?
Nonpotable water systems shall be maintained to prevent contamination of potable water supplies (29 CFR 1926.51(b)).
- 21
What is the requirement for washing facilities under 29 CFR 1926.51?
Washing facilities shall be provided and maintained in a sanitary condition for employees engaged in operations where contaminants may be harmful (29 CFR 1926.51(f)).
- 22
Under 29 CFR 1926.52, when must hearing protection be provided?
Hearing protectors shall be provided and used by employees exposed to noise levels exceeding those in Table D-2 of 29 CFR 1910.95 (29 CFR 1926.52).
- 23
What engineering controls are required for ventilation under 29 CFR 1926.57?
Mechanical ventilation shall be provided where hazardous materials are liberated to maintain air contaminant levels below specified limits (29 CFR 1926.57(a)).
- 24
A worker is exposed to excessive dust; what action is required under 29 CFR 1926.55?
The employer shall implement controls to reduce exposure to dust levels below those in 29 CFR 1910.1000 and provide appropriate respiratory protection (29 CFR 1926.55).
- 25
Under 29 CFR 1926.50, how should first aid supplies be maintained?
First aid supplies shall be easily accessible and adequate to treat injuries likely to occur at the worksite (29 CFR 1926.50(d)).
- 26
What is required for employee exposure to ionizing radiation under 29 CFR 1926.53?
Dosage limits for ionizing radiation shall not exceed those specified in 29 CFR 1910.96 (29 CFR 1926.53).
- 27
Under 29 CFR 1926.56, what lighting is needed for indoor work areas?
General lighting shall be provided as per the requirements in Table D-3 to ensure safe working conditions (29 CFR 1926.56(b)).
- 28
What procedures must be followed for hazardous air contaminants under 29 CFR 1926.55?
Air contaminants shall be controlled by ventilation, substitution, or other engineering means to stay within specified limits (29 CFR 1926.55).
- 29
Under 29 CFR 1926.51, how should toilet facilities be maintained?
Toilet facilities shall be kept clean and sanitary, with separate facilities for each sex (29 CFR 1926.51(c)).
- 30
What is the first step when a noise hazard is identified under 29 CFR 1926.52?
Conduct a noise exposure assessment to determine if levels exceed those in 29 CFR 1910.95 and implement controls as needed (29 CFR 1926.52).
- 31
Under 29 CFR 1926.57, what ventilation is required for spray operations?
Spray booths and rooms shall be provided with mechanical ventilation to confine and remove contaminants (29 CFR 1926.57(i)).
- 32
A worker reports eye irritation from welding; what response is needed under Subpart D?
The employer shall ensure the worker is removed from exposure and provided with appropriate eye protection and medical evaluation (29 CFR 1926.57 and 1926.102).
- 33
What controls are needed for fumes from welding under 29 CFR 1926.55?
Local exhaust systems shall be used to remove welding fumes to keep concentrations below specified limits (29 CFR 1926.55 and 1926.353).
- 34
Under 29 CFR 1926.50, what must be available for remote job sites?
Suitable communications shall be provided for emergency medical services when the site is not near medical facilities (29 CFR 1926.50(f)).
- 35
What is required for sanitation in field sanitation under 29 CFR 1926.51?
Handwashing facilities with soap and water shall be provided for agricultural field workers (29 CFR 1926.51, as applicable).
- 36
Under 29 CFR 1926.52, what monitoring is needed for noise exposure?
Periodic monitoring of employee noise exposure shall be conducted if it may exceed the limits in 29 CFR 1910.95 (29 CFR 1926.52).
- 37
What ventilation systems are required for open-surface tanks under 29 CFR 1926.57?
Exhaust ventilation shall be provided for open-surface tanks to control vapor concentrations (29 CFR 1926.57(e)).
- 38
Under 29 CFR 1926.55, how should mixed exposures be handled?
The effects of mixed airborne contaminants shall be considered, and controls applied to keep total exposure within limits (29 CFR 1926.55(c)).
- 39
What is the procedure for reporting radiation exposure under 29 CFR 1926.53?
Records of employee radiation exposure shall be maintained and reported as required (29 CFR 1926.53(e)).
- 40
A site has poor lighting; what must the employer do under 29 CFR 1926.56?
Provide additional illumination to meet the levels specified in Table D-3 for safe operations (29 CFR 1926.56).
- 41
Under 29 CFR 1926.51, what waste disposal is required?
Garbage and other waste shall be disposed of in a sanitary manner to prevent health hazards (29 CFR 1926.51(g)).
- 42
What protective equipment is needed for noise under 29 CFR 1926.52?
Personal protective equipment such as earplugs shall be provided when engineering controls are not feasible (29 CFR 1926.52 and 1910.95).
- 43
Under 29 CFR 1926.57, what filters are required for ventilation systems?
Air filters in ventilation systems shall be of a type that effectively removes the specific contaminants present (29 CFR 1926.57(a)).
- 44
What is required when employees handle hazardous substances under 29 CFR 1926.55?
Employees shall be protected by appropriate controls to prevent exposure above specified limits (29 CFR 1926.55).
- 45
Under 29 CFR 1926.50, how should stretchers be provided?
Stretchers shall be available at job sites where it is not possible to transport an injured person by other means (29 CFR 1926.50(e)).
- 46
What sanitation measures are needed for eating areas under 29 CFR 1926.51?
Eating areas shall be maintained in a clean and sanitary condition, separate from work areas (29 CFR 1926.51(d)).
- 47
Under 29 CFR 1926.52, what training is required for noise exposure?
Employees exposed to high noise levels shall receive training on the effects of noise and use of protective equipment (29 CFR 1926.52 and 1910.95).
- 48
What maintenance is required for ventilation systems under 29 CFR 1926.57?
Ventilation systems shall be inspected and maintained regularly to ensure effective operation (29 CFR 1926.57).
- 49
A worker is exposed to chemical vapors; what action is needed under 29 CFR 1926.55?
Implement immediate controls and respiratory protection to reduce exposure below specified limits (29 CFR 1926.55).
- 50
Under 29 CFR 1926.56, what emergency lighting is required?
Emergency lighting shall be provided for means of egress in buildings and structures (29 CFR 1926.56(d)).
- 51
What is the requirement for air quality in confined spaces under Subpart D?
Ensure air quality meets standards before entry, as referenced in related OSHA provisions (29 CFR 1926.55 and 1910.146).
- 52
Under 29 CFR 1926.51, how should vermin be controlled?
Effective measures shall be taken to prevent infestations of flies, rodents, and other vermin in work areas (29 CFR 1926.51(h)).
- 53
What is the first response to a chemical splash under 29 CFR 1926.55?
Flush the affected area with water and seek medical attention immediately (29 CFR 1926.55 and related first aid requirements).
- 54
Under 29 CFR 1926.57, what signs are needed for hazardous areas?
Warning signs shall be posted to indicate the presence of hazardous operations like spray finishing (29 CFR 1926.57(i)).
- 55
What records must be kept for noise exposure under 29 CFR 1926.52?
Records of noise exposure measurements shall be maintained as required by 29 CFR 1910.95 (29 CFR 1926.52).
- 56
Under 29 CFR 1926.50, what transportation is needed for injured workers?
Suitable means for prompt transportation of injured persons to a physician or hospital shall be provided (29 CFR 1926.50(f)).
- 57
What ventilation is required for grinding wheels under 29 CFR 1926.57?
Exhaust ventilation shall be provided to remove dust from grinding operations (29 CFR 1926.57(f)).
- 58
Under 29 CFR 1926.55, how should emergency procedures be planned for contaminants?
Emergency procedures shall be established for spills or releases of hazardous contaminants (29 CFR 1926.55).
- 59
What is required for eye protection in dusty environments under Subpart D?
Appropriate eye protection shall be provided to prevent injury from dust and other hazards (29 CFR 1926.102 and 1926.55).
- 60
Under 29 CFR 1926.51, what standards apply to laundry facilities?
Laundry facilities shall be provided and maintained in a sanitary condition for contaminated clothing (29 CFR 1926.51(f)).
- 61
What monitoring is needed for radiation under 29 CFR 1926.53?
Personnel monitoring equipment shall be provided for employees exposed to ionizing radiation (29 CFR 1926.53(c)).
- 62
Under 29 CFR 1926.57, what testing is required for ventilation systems?
Ventilation systems shall be tested to ensure they meet design specifications (29 CFR 1926.57).