Abstract: The air pollution meteorology program of the U.S. Environmental Protection Agency (EPA), administered by personnel from EPA and by personnel on assignment to EPA from the National Oceanic and Atmospheric Administration ...

Abstract: Atmospheric concentrations of radon (Rn222) were measured at urban, suburban and rural sites in the Washington, D.C., metropolitan area during a stagnant weather regime in mid August 1965. An analysis of air quality data, ...

Abstract: Atmospheric concentrations of radon were calculated from filtered radon daughter ? activity, obtained from 1- and 15-m. elevations at a rural site, and from 1- and 91-m. elevations at a semi-rural site near Washington, ...

Abstract: A tabulation of percent frequencies of inversion and/or isothermal conditions, based below 500 feet above station elevation, for Weather Bureau radiosonde stations in the contiguous United States for four observation times, ...

Abstract: A ground-based 5-mm wavelength radiometer, named the Radiometric Thermasonde, has been developed. Typical vertical temperature profiles, derived from a recently developed radiometric data processing technique, are compared ...

Abstract: No Abstract Available.