AMRT ACTUAL FINALS ANSWERS AND QUESTIONS
SET A+
✔✔What should the remediation contractor provide on every remediation job rather than
relying on the homeowner to provide them? - ✔✔CO & Smoke detectors
✔✔recommended procedure for changing the filters on a HEPA filtration device -
✔✔One at a time with the unit on
✔✔minimum number of air changes that should be achieved inside of containment -
✔✔4
✔✔minimum appropriate response for mold contaminated surfaces - ✔✔HEPA Vacuum
✔✔Air flow ALWAYS moves - ✔✔From a higher to a lower pressure
✔✔HEPA and what do the letters stand for? - ✔✔High Efficiency Particulate Air
Removes 99.97% of all particulates to 0.3 microns in diameter
✔✔size of mold spores should a good secondary filter remove - ✔✔1 micron
✔✔protection factor for a full-face respirator - ✔✔50
✔✔protection factor for a half-face respirator - ✔✔10
✔✔protection factor for a PAPR that is operating properly - ✔✔1000
✔✔The protection factor for a PAPR in which the battery is shut off has a protection
factor of - ✔✔50
✔✔Which respirators offer NO protection against oxygen deficient environments? -
✔✔1. N-95
2. Half Face
, 3. Full Face
4. PAPR
✔✔Which respirator offers a positive pressure inside the mask via a battery pack? -
✔✔PAPR Powered Air Purifying Respirator
✔✔When are air-supplied respirators required? - ✔✔1. Insufficient levels of oxygen
2. Extreme temperatures
3. High concentrations of dust, fumes, mists, gases, and vapors
✔✔When the oxygen exceeds _______ it creates an oxygen-enriched environment. -
✔✔23.5%
✔✔What must the worker do each time they don their respirator? - ✔✔Positive-negative
fit check/test
✔✔What are the maintenance steps that must be done to a half or full-face respirator? -
✔✔1. (+) and (-) fit checks
2. Clean after each use
3. Store in a dry cool place
4. Replace cartridges when needed
✔✔What does the P100 of the respirator cartridge remove? -
✔✔Particulates/Mycotoxins
✔✔What does the organic vapor cartridges remove? - ✔✔Odors/MVOCs
✔✔P1 disposable suits hold out ______ of dry particulate whereas a P2/P3 holds out
______ of dry particulate. - ✔✔90%, 100%
✔✔What is the last piece of PPE that should always be removed last and why? -
✔✔Your respirator to protect the breathing zone while removing other PPE
✔✔What does OSHA require for a respirator program? - ✔✔1. Medical
Evaluation/Survey
2. Training
3. Fit tested
4. Written respiratory program
✔✔For a protection of 50, this means that for: - ✔✔Every 50 micrograms of particulate
in the air, 1 particle can enter the respirator
✔✔How should respirator cartridges be stored and why? - ✔✔Sealed in air tight bags to
prevent them from continuing to filter the air
SET A+
✔✔What should the remediation contractor provide on every remediation job rather than
relying on the homeowner to provide them? - ✔✔CO & Smoke detectors
✔✔recommended procedure for changing the filters on a HEPA filtration device -
✔✔One at a time with the unit on
✔✔minimum number of air changes that should be achieved inside of containment -
✔✔4
✔✔minimum appropriate response for mold contaminated surfaces - ✔✔HEPA Vacuum
✔✔Air flow ALWAYS moves - ✔✔From a higher to a lower pressure
✔✔HEPA and what do the letters stand for? - ✔✔High Efficiency Particulate Air
Removes 99.97% of all particulates to 0.3 microns in diameter
✔✔size of mold spores should a good secondary filter remove - ✔✔1 micron
✔✔protection factor for a full-face respirator - ✔✔50
✔✔protection factor for a half-face respirator - ✔✔10
✔✔protection factor for a PAPR that is operating properly - ✔✔1000
✔✔The protection factor for a PAPR in which the battery is shut off has a protection
factor of - ✔✔50
✔✔Which respirators offer NO protection against oxygen deficient environments? -
✔✔1. N-95
2. Half Face
, 3. Full Face
4. PAPR
✔✔Which respirator offers a positive pressure inside the mask via a battery pack? -
✔✔PAPR Powered Air Purifying Respirator
✔✔When are air-supplied respirators required? - ✔✔1. Insufficient levels of oxygen
2. Extreme temperatures
3. High concentrations of dust, fumes, mists, gases, and vapors
✔✔When the oxygen exceeds _______ it creates an oxygen-enriched environment. -
✔✔23.5%
✔✔What must the worker do each time they don their respirator? - ✔✔Positive-negative
fit check/test
✔✔What are the maintenance steps that must be done to a half or full-face respirator? -
✔✔1. (+) and (-) fit checks
2. Clean after each use
3. Store in a dry cool place
4. Replace cartridges when needed
✔✔What does the P100 of the respirator cartridge remove? -
✔✔Particulates/Mycotoxins
✔✔What does the organic vapor cartridges remove? - ✔✔Odors/MVOCs
✔✔P1 disposable suits hold out ______ of dry particulate whereas a P2/P3 holds out
______ of dry particulate. - ✔✔90%, 100%
✔✔What is the last piece of PPE that should always be removed last and why? -
✔✔Your respirator to protect the breathing zone while removing other PPE
✔✔What does OSHA require for a respirator program? - ✔✔1. Medical
Evaluation/Survey
2. Training
3. Fit tested
4. Written respiratory program
✔✔For a protection of 50, this means that for: - ✔✔Every 50 micrograms of particulate
in the air, 1 particle can enter the respirator
✔✔How should respirator cartridges be stored and why? - ✔✔Sealed in air tight bags to
prevent them from continuing to filter the air
