No Public Health Hazard: A category used in ATSDR's public health assessment documents for sites where people have never and will never come into contact with harmful amounts of site-related substances.

 

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No Public Health Hazard: A category used in ATSDR's public health assessment documents for sites where people have never and will never come into contact with harmful amounts of site-related substances.

Public Health Hazard Categories: Public health hazard categories are statements about whether people could be harmed by conditions present at the site in the past, present, or future. One or more hazard categories might be . . . View Full Definition

North American Wetlands Conservation Act: P.L. 101-233 (December 13, 1989), and amended in 1990 and 1994, authorizes a wetlands habitat program: administered by the Fish and Wildlife Service. The law authorized annual appropriations . . . View Full Definition

North American Waterfowl Management Plan: An international program in cooperation with Mexico and Canada to protect, restore, enhance, and manage wetland ecosystems for migratory birds and other wildlife and fish. It was authorized . . . View Full Definition

North American Vertical Datum: A fixed reference for elevations determined by geodetic leveling. The datum was derived from a general adjustment of the first-order terrestrial leveling nets of the United States, Canada, a . . . View Full Definition

North Atlantic Current: A North Atlantic Ocean current setting northeastward from southeast of the Grand Banks at about latitude 40° north, longitude 50° west, to the British Isles. A segment of the Gulf Stream Sys . . . View Full Definition

North Bridge: The main portion of the motherboard chipset that acts as an interface between the processor and other parts of the motherboard. It contains the cache, main memory, and AGP controllers, as we . . . View Full Definition

North Fork: Has synonym name G-2861. Variety released from the Missouri State Fruit Experiment Station in 1947. Reported as derived from a Agawam x Early Daisy cross. Heavy cropping variety that ripens . . . View Full Definition

North Equatorial Current: A current setting west-ward in the North Atlantic and North Pacific Oceans and in the Indian Ocean from about October to July. It occurs immediately north of the Equatorial Counter Current.

North Cape Current: An Arctic Ocean current setting eastward off the north coast of Scandinavia in the Barents Sea.