Mold Remediation Contractor Texas State Exam <\/p>\n\n\n\n
Can mold be found anywhere? – ANS yes, they can grow on virtually any
organic substance (food)
What is needed for mold to to grow? – ANS moisture and oxygen must be
present
What is the key to mold control? – ANS Moisture control
According to the EPA, what is the ideal RH? – ANS 30 – 50% (below 60%)
If water is detected how quickly should it be cleaned and dried to prevent mold
growth? – ANS within 48 hours
What are the EPA regulations for mold? – ANS There are no EPA regulations for
mold
What is PPE? – ANS personal protection equipment
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What is the minimum PPE recommended? – ANS N-95 respirator, gloves and eye
protection.
What should a remediation plan include? – ANS 1. Steps to fix the
water\/moisture problem<\/p>\n\n\n\n
Remediation involves what 3 steps according to the EPA book?<\/p>\n\n\n\n
What are possible locations for hidden mold according to the EPA book?
pipe chases, utility tunnels, walls behind furniture, condensate drain pans inside air handler, porous thermal\/acoustic liners in duct, roof materials above ceiling tiles<\/p>\n\n\n\n
What three water (clean) damaged materials are recommended to discard and replace?<\/p>\n\n\n\n
What should you do if the building occupants are reporting serious health concerns?
Advise them to consult a health professional<\/p>\n\n\n\n
According to the EPA, what are the 4 clean-up methods?<\/p>\n\n\n\n
What 2 clean-up methods are the same for concrete or cinder block regardless of the square footage?
1 and 3 – Wet vac or HEPA vac<\/p>\n\n\n\n
Which clean up method can be used on every piece of material or furnishing affected?
3 – HEPA vacuum<\/p>\n\n\n\n
For non-porous, hard surfaces such as plastics and metals, regardless of amount, which cleaning methods are recommended.
1,2 and 3
Wet vacuum, damp wipe or HEPA vacuum<\/p>\n\n\n\n
According to the EPA, why is it recommended to clean up mold?
It gradually destroys the things it grows on.<\/p>\n\n\n\n
How should materials that cannot be salvaged be disposed of?
Double bagged using 6 mil poly. Bags must be sealed before disposal to minimize mold dispersion. Large items with heavy mold should be covered with poly sheeting and sealed with duct tape.<\/p>\n\n\n\n
Is there special disposal instructions once bagged?
No, mold can be disposed of like regular garbage.<\/p>\n\n\n\n
What size surface area is limited containment?
10 to 100 sq feet<\/p>\n\n\n\n
What size surface area is full containment used?
More than 100sf<\/p>\n\n\n\n
What is a PAPR and when is it recommended?
Power air purifying respirator used in full containment situations. It uses a blower to force air through the HEPA filter that is supplied to a mask that covers the entire face.<\/p>\n\n\n\n
The containment must be maintained by what type of pressure?
Negative<\/p>\n\n\n\n
Double layers of 6 mil poly should be used in what type of containment?
Full – surface area greater than 100 square feet<\/p>\n\n\n\n
What type of containment is recommended in the EPA guidance for 10 to 100sf?
Minimum<\/p>\n\n\n\n
What containment is recommended for removal of mold by the EPA for greater than 100sf?
Full<\/p>\n\n\n\n
PPEs must be worn when during full containment?
Must be worn throughout the final stages of HEPA vacuuming and damp wiping of the contained area. PPE must also be worn during HEPA vacuum filter changes or cleanup of the HEPA vacuum<\/p>\n\n\n\n
What are acute reactions to mold?
Acute is short term
Are severe, immediate reactions usually occurring after a single exposure<\/p>\n\n\n\n
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