Mold Remediation Contractor TX State

Mold Remediation Contractor TX State exam

Can mold be found anywhere? - CORRECT ANSWER - yes, they can grow on virtually any organic substance (food) What is needed for mold to to grow? - CORRECT ANSWER - moisture and oxygen must be present What is the key to mold control? - CORRECT ANSWER - Moisture control According to the EPA, what is the ideal RH? - CORRECT ANSWER - 30 - 50% (below 60%) If water is detected how quickly should it be cleaned and dried to prevent mold growth? - CORRECT ANSWER - within 48 hours What are the EPA regulations for mold? - CORRECT ANSWER - There are no EPA regulations for mold What is PPE? - CORRECT ANSWER - personal protection equipment What is the minimum PPE recommended? - CORRECT ANSWER - N-95 respirator, gloves and eye protection.What should a remediation plan include? - CORRECT ANSWER -

• Steps to fix the water/moisture problem
• The use of PPE
• The steps to contain and remove moldy building materials to avoid spreading

What is the remediation manager's highest priority? - CORRECT ANSWER - The protection of the occupants and remediators health and safety.Remediation involves what 3 steps according to the EPA book? - CORRECT ANSWER -

• Fix the water/humidity problem
• Continue to communicate with building occupants
• Completely clean up mold and dry water -damaged areas

What are possible locations for hidden mold according to the EPA book? - CORRECT ANSWER- pipe chases, utility tunnels, walls behind furniture, condensate drain pans inside air handler, porous thermal/acoustic liners in duct, roof materials above ceiling tiles 1 / 2

What three water (clean) damaged materials are recommended to discard and replace? -

CORRECT ANSWER -

• ceiling tiles
• cellulose insulation
• fiberglass insulation

What should you do if the building occupants are reporting serious health concerns? - CORRECT ANSWER - Advise them to consult a health professional According to the EPA, what are the 4 clean-up methods? - CORRECT ANSWER -

• Wet Vacuum
• Damp-wipe
• HEPA Vacuum
• Discard

What 2 clean-up methods are the same for concrete or cinder block regardless of the square footage? - CORRECT ANSWER -

• and 3 - Wet vac or HEPA vac

Which clean up method can be used on every piece of material or furnishing affected? -

CORRECT ANSWER -

• - HEPA vacuum

For non-porous, hard surfaces such as plastics and metals, regardless of amount, which cleaning methods are recommended. - CORRECT ANSWER - 1,2 and 3 Wet vacuum, damp wipe or HEPA vacuum According to the EPA, why is it recommended to clean up mold? - CORRECT ANSWER - It gradually destroys the things it grows on.How should materials that cannot be salvaged be disposed of? - CORRECT ANSWER - 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.Is there special disposal instructions once bagged? - CORRECT ANSWER - No, mold can be disposed of like regular garbage.What size surface area is limited containment? - CORRECT ANSWER - 10 to 100 sq feet What size surface area is full containment used? - CORRECT ANSWER - More than 100sf What is a PAPR and when is it recommended? - CORRECT ANSWER - 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.

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