00000nam 2200000za 4500 9.645739 CaOODSP 20230531132644 ta 150407|1994||||xxc||||| f|0| 0 eng d 0-662-22861-8 CaOODSP eng n-cn--- En153-47/1991E Canada. Environment Canada. Environmental Protection Service. Analysis of precipitation and water quality trends in Ontario, Québec, Nova Scotia, and Newfoundland (1983-1991) / by John Ion, Aquatic Environment Contamination, St. Lawrence Centre. Montreal - Quebec : Environment Canada. 1994. ix, 95p. : graphs, references, tables ; 28 cm. "To determine if acidification-related chemical variables had changed over the period 1983 to 1991, we analysed monotonic trends (o=0.05) for precipitation concentrations and deposition at 6 sites and surface water concentrations at 111 sites, located from central Ontario to eastern Newfoundland."--Abstract. To determine if acidification-related chemical variables had changed over the period 1983 to 1991, we analysed monotonic trends (o=0.05) for precipitation concentrations and deposition at 6 sites and surface water concentrations at 111 sites, located from central Ontario to eastern Newfoundland.--Abstract Résumé en français Ring binding Water quality gcpds Ion, John Analysis of precipitation and water quality trends in Ontario, Québec, Nova Scotia, and Newfoundland (1983-1991) / (CaOODSP)9.923377 Report ST-8