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AMRT test guaranteed success Safety and Precautions in Microbial Contamination 1. When dealing with microbial contamination, what is the first concern for workers? The priority is safety, and any worker with a cut or skin break should seek immediate medical attention. 2. What are the mo...

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  • August 14, 2024
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  • 2024/2025
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Safety and Precautions in Microbial Contamination



1. When dealing with microbial contamination, what is the first concern for workers?

The priority is safety, and any worker with a cut or skin break should seek immediate medical
attention.



2. What are the most common biohazards associated with mold?

The primary hazards are mold spores and fragments that can be inhaled.



3. Aspergillus is classified as a ___ that can lead to lung infections known as aspergillosis.

Aspergillus is a type of mold.



4. In sewage, what are the main biohazards present?

The common biohazards include bacteria, viruses, and parasites.



Respiratory Protection



5. What do respirators have different levels of protection based on?

They are rated according to their "assigned protection factor."



6. What does OSHA require of employers regarding workplace safety?

Employers must ensure a safe workplace for their employees as mandated by the General Duty Clause.



7. What training must a respirator program provide?

A program must teach technicians how to properly don and remove a respirator, maintain it, and
understand its limitations. Additionally, technicians must have a lung capacity assessment and a fit test
to confirm protection.

, 8. What does HEPA stand for, and what is its effectiveness?

HEPA stands for High-Efficiency Particulate Air, capable of removing 99.97% of particles down to 0.3
micrometers.



9. What are the abbreviations for the common types of respirators used in microbial remediation?

The abbreviations are APR for Air-Purifying Respirators and PAPR for Powered Air-Purifying
Respirators.



10. What size of particles do respirators protect against?

They protect workers from breathing in particles smaller than 5 microns, such as mold spores, which
can be inhaled deeply into the lungs.



Health Risks and Monitoring



11. What adverse health effects can result from inhaling mold spores and fragments?

Exposure can lead to conditions like aspergillosis and asthma.



12. What potential deficiency can respirators not protect against?

They do not provide protection against oxygen deficiency.



13. What precaution must be taken when using dry ice blasting indoors?

It can cause an oxygen deficiency, so technicians must use an oxygen monitoring sensor.



14. What is one of the most prevalent viruses found in sewage?

The rotavirus is among the most common viruses in sewage.



15. What is the primary risk for technicians conducting sewage remediation work?

The greatest risk is ingestion, for which a full-face respirator provides protection.

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