Air Quality Standards
Science / Weather / Air Quality Standards
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Air Quality Standards: The maximum level which will be permitted for a given pollutant. Primary standards are to be sufficiently stringent to protect the public health. Secondary standards must protect the public . . . View Full Definition
Clean Air Act: The primary federal law governing efforts to control air pollution. Federal legislation addressing air pollution was first adopted in 1955 (Air Pollution Control Act, P.L. 84-159) to provide . . . View Full Definition
Air Pollution: The soiling of the atmosphere by contaminants to the point that may cause injury to health, property, plant, or animal life, or prevent the use and enjoyment of the outdoors.
Lowest Logical Airfare: Lowest airfare found within the parameters of a corporation’s travel policy.
Lone Pair: Electrons that are not involved in bonding.
Malcolm Baldridge National Quality Award: The Baldridge Award is given by the President of the United States to businesses—manufacturing and service, small and large—and to education and health care organizations that apply and are . . . View Full Definition
Minimal Pair: Also called contrastive pairs, these are two words that differ by only a single sound, such as gin-pin. Linguists commonly use minimal pairs for illustrating subtle sound differences.
Maritime Air Mass: An air mass influenced by the sea. It is a secondary characteristic of an air mass classification, signified by the small 'm' before the primary characteristic, which is based on source regi . . . View Full Definition
Lighter-Than-Air Craft (LTAC): Generally referring to powered blimps and dirigibles, but often also includes free balloons.
Light Sport Aircraft: Special FAA certification class (LSA) for an aircraft other than a helicopter or powered-lift—single-engine aircraft, airship, balloon, GLIDER, GYROCOPTER, ROTORCRAFT, weight-shift-control a . . . View Full Definition
Word of the Day:
Profit And Loss Statement: A detailed statement of income and expenses of a business that reveals the operating position of the business over a period of time. Commonly referred to a P&L.
Synonym of the Day:
Arrange: Order, Dispose, Array, Organize, Sort (out), Systematize, Group, Set Up, Rank, Line Up, Align, Form, Positionsettle, Plan, Set (up), Organize, Orchest . . . View All Synonyms
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