01869oam 2200457Ia 450 991069622590332120071127164027.0(CKB)5470000002376565(OCoLC)172994198(EXLCZ)99547000000237656520070918d2007 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierExternal quality-assurance programs managed by the U.S. Geological Survey in support of the National Atmospheric Deposition Program/Mercury Deposition Network[electronic resource] /by Natalie E. Latysh and Gregory A. WetherbeeVersion 1.0.Reston, Va. :U.S. Geological Survey,2007.vi, 33 pages digital, PDF fileOpen-file report ;2007-1170Title from PDF title screen (viewed on Sept. 17, 2007).Includes bibliographical references (page 20)Atmospheric mercuryMeasurementQuality controlQuality assuranceAir quality monitoring stationsUnited StatesQuality controlAtmospheric depositionMeasurementQuality controlAtmospheric mercuryMeasurementQuality control.Quality assurance.Air quality monitoring stationsQuality control.Atmospheric depositionMeasurementQuality control.Latysh Natalie E1398539Wetherbee Gregory A1387571Geological Survey (U.S.)GISGISGPOBOOK9910696225903321External quality-assurance programs managed by the U.S. Geological Survey in support of the National Atmospheric Deposition Program3506277UNINA