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40 C.F.R. § 50.18

National primary ambient air quality standards for PM2.5.

§ 50.18 National primary ambient air quality standards for PM2.5.

(a) The national primary ambient air quality standards for PM2.5 are 12.0 micrograms per cubic meter (µg/m ) annual arithmetic mean concentration and 35 µg/m 24-hour average concentration measured in the ambient air as PM2.5 (particles with an aerodynamic diameter less than or equal to a nominal 2.5 micrometers) by either:

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The Health Care Compliance Association (HCCA), is a 501(c)6 non-profit, member-based professional association. HCCA was established in 1996 and is headquartered in Minneapolis, MN. We provide training, certification, and other resources to over 10,000 members. Our members include compliance officers and staff from a wide range of organizations, including hospitals, research facilities, clinics and technology service providers.

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