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Questions and Answers
What is the permissible exposure limit to MDA when using an 8-hour time-weighted average?
What is the permissible exposure limit to MDA when using an 8-hour time-weighted average?
10 ppb
What must employers provide for workers subject to 15 or more days of dermal exposure to MDA?
What must employers provide for workers subject to 15 or more days of dermal exposure to MDA?
No-cost-to-employee medical surveillance program under the supervision of a licensed physician
Recommended protective clothing and equipment for MDA-exposed workers may include any of the following EXCEPT:
Recommended protective clothing and equipment for MDA-exposed workers may include any of the following EXCEPT:
At a minimum, how many days per year must workers perform Class I, Class II, or Class III asbestos work before employers are required to provide medical examinations?
At a minimum, how many days per year must workers perform Class I, Class II, or Class III asbestos work before employers are required to provide medical examinations?
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The decontamination area for MDA-exposed workers must include all of the following EXCEPT:
The decontamination area for MDA-exposed workers must include all of the following EXCEPT:
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How many years must employers keep records of measurements monitoring employee exposure to asbestos?
How many years must employers keep records of measurements monitoring employee exposure to asbestos?
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What do Class I asbestos jobs involve?
What do Class I asbestos jobs involve?
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Employers are required to post which warning signs in areas where lead exposure is above the permissible limit?
Employers are required to post which warning signs in areas where lead exposure is above the permissible limit?
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How many years must employers keep accurate records of MDA monitoring measurements?
How many years must employers keep accurate records of MDA monitoring measurements?
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What is the most effective method for cleaning lead-contaminated clothing?
What is the most effective method for cleaning lead-contaminated clothing?
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Study Notes
Permissible Exposure Limits
- The permissible exposure limit for MDA using an 8-hour time-weighted average is set at 10 ppb.
Medical Surveillance Requirements
- Employers must provide a no-cost medical surveillance program for employees exposed to MDA dermally for 15 or more days, supervised by a licensed physician.
Protective Equipment
- Recommended protective clothing for MDA-exposed workers includes items such as gloves and masks; however, ear plugs are not included in these recommendations.
Asbestos Work Requirements
- Employers are mandated to provide medical examinations for workers performing Class I, Class II, or Class III asbestos work for 30 days or more per year.
Decontamination Area Specifications
- Decontamination areas for MDA-exposed workers are required to include facilities for cleaning and changing but do not need to include medical examination areas.
Record-Keeping Obligations
- Employers are required to maintain records of asbestos exposure measurements for 30 years.
- Similarly, records for monitoring MDA exposure must also be kept for 30 years.
Class I Asbestos Operations
- Class I asbestos jobs specifically involve the removal of surfacing materials that contain asbestos.
Lead Exposure Warnings
- In areas where lead exposure exceeds permissible limits, employers must post warning signs that prohibit smoking and eating.
Cleaning Methods for Lead-Contaminated Clothing
- The most effective cleaning method for lead-contaminated clothing is thorough washing.
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Description
This quiz focuses on permissible exposure limits and safety regulations related to MDA (Methylenedianiline) in the workplace. Test your knowledge on exposure limits and medical surveillance requirements for workers handling MDA. It's essential for employers and employees to understand these guidelines for safety.
