008110000a22001810004500003000900000005001700009100003100026710007500057245023400132562004000366264004900406490003900455300001200494041000800506650003800514650003900552650003800591PH-MaWHO20241108112303.0 aEconomopoulos Alexander P. aWorld Health Organization. Prevention of Environmental Pollution Unit. aAssessment of sources of air, water, and land pollution : a guide to rapid source inventory techniques and their use in formulating environmental control strategies : part I. Rapid inventory techniques in environmental pollution. aWHO/PEP/GETNET/93.1-A.--Unpublished aGeneva : bWorld Health Organization,c1993. a(Environmental technology series). a[223]p. aeng aEnvironmental monitoringxMethods aEnvironmental pollutantsxAnalysis aEnvironmental pollutionxAnalysis