TY - GEN AU - Hall, Jack R. ; Glysson, G.ouglas eds. ED - SYMPOSIUM OF MONITORING WATER IN THE 1990'S : MEETING NEW CHALLENGES(1990: Denver) TI - Monitoring water in the 1990's : meeting new challenges SN - 0803114079 PY - 1991/// CY - Philadelphia PB - ASTM KW - WATER QUALITY MANAGEMENT KW - WATER-ANALYSIS ER -