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Indoor air quality (IAQ) is the air quality within buildings and structures. ... The EPA standard for ozone concentration is 0.07 ppm average over an 8-hour period.
EPA regulations require the test to be a "closed book" proctored exam. The only outside materials allowed are a temperature / pressure chart, scratch paper and a calculator. The certification exam contains 4 sections: Core, Type I, Type II, and Type III.
To learn more, you can turn to the EPA 's indoor air pollution medical guide as a resource to help you identify possible air quality causes, along with potential solutions.
The Clean Air Act requires the EPA to set US National Ambient Air Quality Standards (NAAQS) for the six CAPs. [6] The NAAQS are health based and the EPA sets two types of standards: primary and secondary. The primary standards are designed to protect the health of 'sensitive' populations such as asthmatics, children, and the elderly.
The Greenguard Environmental Institute was founded in 2001 by indoor air quality scientist Dr. Marilyn Black. [citation needed] Her vision was to create a third-party product certifier that could educate consumers and industry professionals about the importance of good indoor air quality and low-emitting products.
In fact, indoor air can hold levels of certain pollutants that are up to five times higher than found outdoors. Air purifiers can indeed neutralize some of the risks posed by indoor air pollution ...
Standards for performing a Phase I site assessment have been promulgated by the US EPA [1] and are based in part on ASTM in Standard E1527-13. [ 2 ] If a site is considered contaminated, a Phase II environmental site assessment may be conducted, ASTM test E1903, a more detailed investigation involving chemical analysis for hazardous substances ...
The National Emission Standards for Hazardous Air Pollutants (NESHAP) are air pollution standards issued by the United States Environmental Protection Agency (EPA). The standards, authorized by the Clean Air Act, are for pollutants not covered by the National Ambient Air Quality Standards (NAAQS) that may cause an increase in fatalities or in serious, irreversible, or incapacitating illness.
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