Subpart Z Toxic and Hazardous Substances
65 flashcards covering Subpart Z Toxic and Hazardous Substances for the OSHA OSHA 10/30 General Industry section.
Subpart Z of the OSHA regulations addresses toxic and hazardous substances in general industry workplaces, covering topics like permissible exposure limits, hazard communication, and required controls for chemicals such as asbestos and lead. This is defined under 29 CFR 1910.1000 to 1910.1500, which outlines federal standards to protect workers from health risks associated with chemical exposures in settings like manufacturing and construction.
On OSHA 10/30 practice exams, this topic typically features multiple-choice questions that test knowledge of identifying hazards, interpreting safety data sheets, or selecting appropriate protective measures. A common trap is confusing short-term exposure limits with time-weighted averages, leading to errors in risk assessment.
Always double-check container labels for hazardous substance details before starting any task.
Terms (65)
- 01
What does Subpart Z of 29 CFR 1910 cover?
Toxic and hazardous substances in the workplace, including standards for exposure limits and control measures (29 CFR 1910 Subpart Z).
- 02
Under 29 CFR 1910.1000, what establishes limits for air contaminants?
Permissible exposure limits (PELs) as listed in Tables Z-1, Z-2, and Z-3, which set the maximum allowable concentrations for various substances (29 CFR 1910.1000).
- 03
How must employers handle employee exposure to hazardous substances per OSHA?
By ensuring exposures are controlled below PELs through engineering controls, work practices, and personal protective equipment as required (29 CFR 1910.1000).
- 04
What is required if an employee's exposure exceeds the PEL for a substance?
Implement feasible engineering and work practice controls to reduce exposure, and provide appropriate respiratory protection if needed (29 CFR 1910.1000).
- 05
Under 29 CFR 1910.1200, what information must be on a chemical label?
The identity of the hazardous chemical, appropriate hazard warnings, and the name and address of the manufacturer (29 CFR 1910.1200).
- 06
What must employers provide to employees regarding hazardous chemicals?
Access to safety data sheets (SDSs) for each hazardous chemical in the workplace (29 CFR 1910.1200).
- 07
When must training be provided on hazardous substances?
At the time of initial assignment and whenever a new hazard is introduced, covering the hazards and how to protect against them (29 CFR 1910.1200).
- 08
What is the role of a safety data sheet under OSHA rules?
To provide detailed information on the hazards of a chemical, safe handling, and emergency measures (29 CFR 1910.1200).
- 09
Under 29 CFR 1910.1025, what controls are needed for lead exposure?
Engineering and work practice controls to keep exposure below the PEL, along with respiratory protection and medical surveillance (29 CFR 1910.1025).
- 10
What medical surveillance is required for workers exposed to certain hazardous substances?
Periodic examinations and tests as specified for substances like lead or asbestos to monitor health effects (29 CFR 1910 Subpart Z, e.g., 1910.1025).
- 11
How often must monitoring be conducted for employee exposure to hazardous substances?
At least every six months if exposure is at or above the action level, or more frequently if required for specific substances (29 CFR 1910.1000 and applicable standards).
- 12
What personal protective equipment is mandatory for handling hazardous substances?
Equipment such as respirators, gloves, and eye protection as determined by the hazard assessment and required by the standard (29 CFR 1910 Subpart Z).
- 13
Under 29 CFR 1910.1048, what is required for formaldehyde exposure?
Monitoring, medical surveillance, and engineering controls to limit exposure, along with hazard communication (29 CFR 1910.1048).
- 14
What actions are needed if a spill of a hazardous substance occurs?
Contain the spill, evacuate if necessary, and follow emergency procedures outlined in the hazard communication program (29 CFR 1910.1200).
- 15
A worker shows symptoms of chemical exposure; what should the employer do?
Remove the worker from exposure, provide medical evaluation, and investigate the cause to prevent recurrence (29 CFR 1910 Subpart Z).
- 16
What is the first step in a hazard communication program?
Evaluate the workplace for hazardous chemicals and ensure they are properly identified and labeled (29 CFR 1910.1200).
- 17
Under 29 CFR 1910.1017, what protections are required for vinyl chloride exposure?
Respiratory protection, monitoring, and medical exams to control exposure levels (29 CFR 1910.1017).
- 18
How must hazardous waste be managed in the workplace?
In accordance with the applicable OSHA standards, including proper labeling, storage, and disposal to prevent exposure (29 CFR 1910 Subpart Z).
- 19
What training elements are required for employees handling hazardous substances?
Information on health hazards, safe handling procedures, and emergency response (29 CFR 1910.1200).
- 20
Under 29 CFR 1910.1001, what is needed for asbestos-containing materials?
Exposure monitoring, regulated areas, and respiratory protection for workers (29 CFR 1910.1001).
- 21
What defines a regulated area for hazardous substances?
An area where entry is restricted due to the presence of substances like asbestos or lead above certain levels (29 CFR 1910 Subpart Z).
- 22
A container of chemicals is unlabeled; what must the employer do?
Ensure it is labeled immediately with the required information or removed from service (29 CFR 1910.1200).
- 23
What respiratory protection is required for certain toxic exposures?
Respirators selected based on the hazard and fitted properly, with training for users (29 CFR 1910.134 and Subpart Z).
- 24
Under 29 CFR 1910.1020, what access must employees have to exposure records?
Access to monitoring results and medical records related to hazardous substance exposure (29 CFR 1910.1020).
- 25
What engineering controls are preferred for controlling hazardous exposures?
They must be used first to reduce exposures before relying on personal protective equipment (29 CFR 1910.1000).
- 26
How should employees be informed of chemical hazards in their work area?
Through labels on containers, safety data sheets, and required training sessions (29 CFR 1910.1200).
- 27
What is required before entering a space with potential hazardous atmosphere?
Test the atmosphere for hazards and follow permit-required confined space procedures if applicable (29 CFR 1910.146 and Subpart Z).
- 28
Under 29 CFR 1910.1043, what safeguards are needed for cotton dust?
Exposure monitoring, engineering controls, and medical surveillance for affected workers (29 CFR 1910.1043).
- 29
What must be included in an emergency action plan for hazardous substances?
Procedures for reporting emergencies, evacuation routes, and medical assistance (29 CFR 1910.1200 and 1910.38).
- 30
A worker is exposed to benzene; what immediate actions are required?
Remove from exposure, provide medical evaluation, and ensure monitoring is in place (29 CFR 1910.1028).
- 31
What is the purpose of permissible exposure limits?
To set the maximum amount of a substance in the air that workers can be exposed to without adverse effects (29 CFR 1910.1000).
- 32
Under 29 CFR 1910.1018, what protections are required for inorganic arsenic?
Engineering controls, respirators, and change rooms to minimize exposure (29 CFR 1910.1018).
- 33
How often must safety data sheets be updated?
Whenever new information is available about the hazards of the chemical (29 CFR 1910.1200).
- 34
What procedures must be followed for handling carcinogens in the workplace?
Strict controls including monitoring, protective equipment, and medical surveillance as per specific standards (29 CFR 1910 Subpart Z).
- 35
Under 29 CFR 1910.1029, what is required for coke oven emissions?
Respiratory protection, medical surveillance, and regulated areas (29 CFR 1910.1029).
- 36
What signs must be posted in areas with hazardous substances?
Warning signs indicating the presence of hazards and required precautions (29 CFR 1910 Subpart Z).
- 37
Before using a hazardous chemical, what must employees know?
The specific hazards, proper handling, and emergency procedures from training and SDS (29 CFR 1910.1200).
- 38
A spill of a toxic substance occurs; what is the appropriate response?
Isolate the area, notify supervisors, and follow the emergency plan to clean up safely (29 CFR 1910.1200).
- 39
What recordkeeping is required for exposure to hazardous substances?
Maintain records of monitoring results and medical exams for specified periods (29 CFR 1910.1020 and Subpart Z).
- 40
Under 29 CFR 1910.1030, how must bloodborne pathogens be handled?
Through exposure control plans, training, and use of personal protective equipment (29 CFR 1910.1030).
- 41
What hygiene practices are required for workers handling hazardous materials?
Washing facilities and change areas to prevent contamination (29 CFR 1910 Subpart Z).
- 42
How must containers of hazardous substances be stored?
In a manner that prevents leaks, spills, and unauthorized access (29 CFR 1910.1200 and applicable standards).
- 43
What is the first step when a new hazardous substance is introduced?
Evaluate hazards, update the hazard communication program, and train employees (29 CFR 1910.1200).
- 44
Under 29 CFR 1910.1052, what controls are needed for methylene chloride?
Engineering controls, respirators, and medical surveillance (29 CFR 1910.1052).
- 45
What protective clothing is required for skin contact hazards?
Appropriate barriers like gloves and aprons as determined by the hazard (29 CFR 1910 Subpart Z).
- 46
A worker reports skin irritation from a chemical; what should happen next?
Investigate the exposure, provide medical attention, and review controls (29 CFR 1910 Subpart Z).
- 47
What must be done annually for hazardous substance programs?
Review and update the hazard communication program as needed (29 CFR 1910.1200).
- 48
Under 29 CFR 1910.1003-1910.1016, what additional standards apply to specific carcinogens?
Requirements for monitoring, medical exams, and protective measures for listed substances (29 CFR 1910.1003-1910.1016).
- 49
How should hazardous substances be transported within a facility?
Using secure methods to prevent spills and exposure (29 CFR 1910 Subpart Z).
- 50
What information must be on a material safety data sheet?
Identity of the chemical, physical and health hazards, and safe handling instructions (29 CFR 1910.1200).
- 51
Before maintenance in an area with hazardous substances, what must be done?
Ensure the area is decontaminated or use lockout/tagout procedures (29 CFR 1910.147 and Subpart Z).
- 52
Under 29 CFR 1910.1004, what protections are for certain carcinogens?
Specific controls including restricted access and monitoring (29 CFR 1910.1004).
- 53
What emergency equipment must be available for hazardous areas?
Eyewash stations, showers, and spill kits as per the hazards present (29 CFR 1910 Subpart Z).
- 54
A container lacks a safety data sheet; what action is required?
Obtain the SDS from the manufacturer before use (29 CFR 1910.1200).
- 55
What is required for proper disposal of hazardous waste?
Follow OSHA and EPA regulations to ensure safe handling and disposal (29 CFR 1910 Subpart Z).
- 56
Under 29 CFR 1910.1007, what is needed for vinyl bromide?
Monitoring and protective measures similar to other hazardous substances (29 CFR 1910.1007).
- 57
How must employees be protected from inhalation hazards?
Through ventilation systems and respirators when necessary (29 CFR 1910.1000).
- 58
What documentation is needed for hazardous substance training?
Records of training completion for each employee (29 CFR 1910.1200).
- 59
In a scenario with chemical fumes, what should workers do first?
Evacuate the area and report to supervisors for assessment (29 CFR 1910 Subpart Z).
- 60
What updates are needed if a chemical's hazards change?
Revise labels, SDS, and training materials accordingly (29 CFR 1910.1200).
- 61
Under 29 CFR 1910.1009, what applies to beta-naphthylamine?
Specific exposure controls and medical surveillance (29 CFR 1910.1009).
- 62
What general duties apply to all hazardous substances in Subpart Z?
Employers must provide a safe workplace free from recognized hazards (29 CFR 1910.1000).
- 63
How should hazardous substances be inventoried in the workplace?
Maintain a list of chemicals with associated SDS for reference (29 CFR 1910.1200).
- 64
What follow-up is required after a hazardous exposure incident?
Medical evaluation and incident investigation to prevent future occurrences (29 CFR 1910 Subpart Z).
- 65
Under 29 CFR 1910.1010, what protections are for certain chemicals?
Engineering controls and personal protection as specified (29 CFR 1910.1010).