01612nam 2200397 a 450 991069813350332120100324151629.0(CKB)5470000002395648(OCoLC)568686856(EXLCZ)99547000000239564820100324d1981 ua 0engur|||||||||||txtrdacontentcrdamediacrrdacarrierEPA quality assurance officer's handbookVol. 1Quality control samples, performance evaluations, technical assistance[electronic resource]Washington, D.C. :Quality Assurance Management Staff, Office of Monitoring Systems and Quality Assurance, U. S. Environmental Protection Agency,[1981]1 online resource (45 pages)Title from PDF title screen (viewed on Mar. 24, 2010)."February 1981.""EPA/600/R-81/102.""OAMS-006/31."Quality control samples, performance evaluations, technical assistanceAir quality monitoring stationsUnited StatesHandbooks, manuals, etcEnvironmental monitoringUnited StatesHandbooks, manuals, etcHandbooks and manuals.lcgftAir quality monitoring stationsEnvironmental monitoringUnited States.Environmental Protection Agency.Quality Assurance Management Staff.GPOGPOBOOK9910698133503321EPA quality assurance officer's handbook3454344UNINA