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Title 40 is a part of the United States Code of Federal Regulations. Title 40 arranges mainly environmental regulations that were promulgated by the US Environmental Protection Agency (EPA), based on the provisions of United States laws (statutes of the U.S. Federal Code). Parts of the regulation may be updated annually on July 1. [1]
40 CFR 50.18: Secondary 15 μg/m 3: annual Annual mean, averaged over 3 years 40 CFR 50.7: Primary and Secondary 35 μg/m 3: 24-hour 98th percentile, averaged over 3 years 40 CFR 50.18: Carbon monoxide (CO) Primary 35 ppm (40 mg/m 3) 1-hour Not to be exceeded more than once per year 40 CFR 50.8: Primary 9 ppm (10 mg/m 3) 8-hour
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A few volumes of the CFR at a law library (titles 12–26) In the law of the United States, the Code of Federal Regulations (CFR) is the codification of the general and permanent regulations promulgated by the executive departments and agencies of the federal government of the United States. The CFR is divided into 50 titles that represent ...
Navigation Satellite Timing And Ranging The space-borne or satellite navigation system NCAT National Center for Aviation Training: US educational facility NCATT National Center for Aircraft Technician Training US educational facility ND Navigation display NDB non-directional beacon: NDT non-destructive testing: NFF No fault found
Title 14 CFR – Aeronautics and Space is one of the fifty titles that make up the United States Code of Federal Regulations (CFR). Title 14 is the principal set of rules and regulations (sometimes called administrative law) issued by the Department of Transportation and Federal Aviation Administration, federal agencies of the United States which oversee Aeronautics and Space.
OMB Circular A 87, "Cost Principles for State, Local, and Indian Tribal Governments" (2 CFR part 225) – This circular includes the 50 States of the United States and the District of Columbia (Washington, D.C.), any agency or instrumentality of these governments—and any county, parish, municipality, city, town, State-designated Indian tribal ...
The Extra-Terrestrial Exposure Law (14 CFR 1211 of the Code of Federal Regulations) — in force from 1969 to 1977 — was the popular name for regulations adopted by the National Aeronautics and Space Administration (NASA) in 1969 to formalize its "policy, responsibility and authority to guard the Earth against any harmful contamination … resulting from personnel, spacecraft and other ...