Asbestos Contractor/Supervisor Training Questions And Solutions

Asbestos Contractor/Supervisor Training Questions And Solutions OSHA categories: (High- low risk) - ANSWER Class I: TSI/ surfacing material ACM. Class II: Miscellaneous. Class III: Operation and Maintenance. Class IV: Clean- up NESHAP - ANSWER National Emission Standards for Hazardous Air Pollutants AHERA - ANSWER Asbestos Hazard Emergency Response Act (specifically pertaining to SCHOOLS) When must you notify NESHAP of an asbestos related job? - ANSWER Any project over 160 SF/260LF of RACM What is the Permissible Exposure Limit in the US. - ANSWER PEL is required to be 0.1 f/cc. What are the two types of fit-tests? - ANSWER Qualitative: Less comprehensive. With irritants. Quantitative: More comprehensive. With pressurization levels. How many layers of polyethylene must line the walls, ceilings, and floors? - ANSWER 2 layers of 6 mil. What must be done to the HVAC during an asbestos abatement project? - ANSWER 1) Turned off 2) Sealed 3) Control panel sealed, labeled and locked NESHAP classifications are: - ANSWER Demolition- Removing 1+ load-bearing member Renovation- Altering facility w/o removing 1 load- bearing member Category I NF- "resilient flooring, asphalt roofing, gaskets, or packings." Category II NF- any non-friable not "" RACM- basically any currently or will become friable material. RACM - ANSWER basically any currently or will become friable material. What are the four broad categories of respirators? - ANSWER 1) Air-purifying 2) Supplied-air 3) Self-contained breathing apparatus (SCBA) 4) Combination Supplied Air regulations - ANSWER 19.5-23.5% Oxygen 10 ppm carbon monoxide 1000 ppm carbon dioxide "Type C" system "Grade D" air Protection Factor formula - ANSWER Concentration outside mask / Concentration inside Half mask OSHA PF - ANSWER 10 Full Facepiece OSHA PF (Qualitative) - ANSWER 10 Full Facepiece OSHA PF (Quantitative) - ANSWER 50 Powered Air-Purifying Respirator (PAPR) OSHA PF - ANSWER 1000 Full Face Supplied Air (SCBA) OSHA PF - ANSWER 1000 Number of overalls calculation - ANSWER # of workers X # of project days X 5 How often are you required to have an X-ray done? - ANSWER Annual examinations. X-rays are at the discretion of the doctor. How long must records of jobs and employees be retained? - ANSWER 30 years. 30 years after the last date of employment. When is isolation of the work area required? - ANSWER OSHA class I, II, or III What is a critical barrier? - ANSWER Defined by OSHA as 1+ layers of plastic sealed over all openings into work area. How many stages must a Decontamination facility be? - ANSWER 3 stages for all Class I activities over 25 LF or 10 SF What are the stages of a decon facility? - ANSWER Clean room,