13, Ch1, Radon, Mold and Lead quiz Flashcards
Which of these are true of radon?
it is radioactive, It is very site specific, It is particularly present in granite rocks
Which are typical ways that radon enters a house?
foundation cracks, well water, the hole around the sump pump
Which of these are known carcinogen that can cause cancer?
Cigarette smoke, asbestos, radon
A house should be remediated if the radon level is ___________ picocuries per liter or higher.
four
Which are characteristics of radon?
it is odorless, it is colorless, it can be found in water
Radon tests should be conducted in
the lowest level of the house suitable for occupancy
Where does radon come from?
decay of uranium and radium in rocks and soil
Molds can consume all of the following
carpet, sheetrock, wood
Molds reproduce by
producing spores– which float around in the air.
Which of the following places within the home is mold likely present?
In the bathroom around the shower or tub, Under pipes or window sills where there could be condensation, Ceiling Tiles
To prevent mold growth, the EPA says you should not put carpet over _________ floors.
concrete
Which is true of molds?
there are over 95,000 species, they need moisture to survive, they live indoors and outdoors
All of these measures should help protect against mold in a house
prevent condensation on cold surfaces, reduce indoor humidity to between 30% and 60%, get your air ducts cleaned
The EPA says it is important to dry water damaged areas and items within ______ hours to prevent mold growth.
24-48
All of these are places you are likely to find mold in a house
around the tub and shower, window sills, utility rooms
Which entities require that defective paint surfaces on dwellings built prior to 1978 must be encapsulated?
FHA and VA. If you are preparing an appraisal for a government-insured (FHA) or government-guaranteed (VA) loan, you are instructed to note the locations of all defective paint surfaces on homes built prior to 1978, and make the appraisal “subject to” these areas being scraped and painted. Scraping the defective paint surface removes any loose paint chips, and painting over the affected area encapsulates the old lead-based paint. Fannie Mae and Freddie Mac do not require this. (Chapter 1, Fannie and FHA)
In what currently manufactured product would you be MOST likely to find lead?
X-ray shield
Tiles infected with common mold should be disposed of by
taking it to a landfill
To survive, molds need all of the following
an organic food source, temperatures between 40 and 100 degrees, moisture
