Question #4963

In the USA, what is the official standard, for general purposes, for indoor air quality (IAQ) regarding the acceptable density of bacterial and fungal organisms in the air
a- Zero cfu/m3
b- <500 cfu/m3
c- >750 but <999 cfu/m3
d -There are no official standards for microorganisms and IAQ

Expert's answer

Indoor Air Quality: EPA(United States Environmental Protection Agency) does not regulate indoor air, but they do offer assistance in protecting your indoor air quality. You can obtain further information here (it's site of the EPA)


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