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The importance of runoff and winter anoxia to P and N dynamics of a beaver pond / report prepared by Kevin J. Devito and Peter J. Dillon.The importance of runoff and winter anoxia to P and N dynamics of a beaver pond / report prepared by Kevin J. Devito and Peter J. Dillon.
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Manual for establishing vegetation on landfills in Ontario / prepared for Ontario Ministry of the Environment ; prepared by Gartner Lee Limited. --Manual for establishing vegetation on landfills in Ontario / prepared for Ontario Ministry of the Environment ; prepared by Gartner Lee Limited. --
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Extraction of zygnematacean zygospores from lake sediments and their potential as paleo-indicators of lake acidification : R.A.C. Project No. 464G / prepared for Environment Ontario by P.A. Zippi ... [et al.].Extraction of zygnematacean zygospores from lake sediments and their potential as paleo-indicators of lake acidification : R.A.C. Project No. 464G / prepared for Environment Ontario by P.A. Zippi ... [et al.].
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Phytotoxicology Section investigation in the vicinity of Ethyl Corporation, Corunna, Ontario, August 23, 1989 : report / prepared by Phytotoxicology Section, Air Resources Branch, Ontario Ministry of the Environment.Phytotoxicology Section investigation in the vicinity of Ethyl Corporation, Corunna, Ontario, August 23, 1989 : report / prepared by Phytotoxicology Section, Air Resources Branch, Ontario Ministry of the Environment.
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The influence of hydrologic fluctuations and peat oxia on the phosphorus and nitrogen dynamics of a conifer swamp / [report prepared by Kevin J. Devito and Peter J. Dillon].The influence of hydrologic fluctuations and peat oxia on the phosphorus and nitrogen dynamics of a conifer swamp / [report prepared by Kevin J. Devito and Peter J. Dillon].
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The development document for the draft effluent monitoring regulation for the pulp and paper sector.The development document for the draft effluent monitoring regulation for the pulp and paper sector.
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Determination of chlorinated dibenzo-p-dioxins and chlorinated dibenzofurans in ambient air : proceedings of a workshop, September 17, 1989, Toronto, Ontario, Canada / edited by R.E. Clement.Determination of chlorinated dibenzo-p-dioxins and chlorinated dibenzofurans in ambient air : proceedings of a workshop, September 17, 1989, Toronto, Ontario, Canada / edited by R.E. Clement.
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Biogeochemistry project update : snow cores 1989-1992 : Plastic Lake & Harp Lake : report / prepared by J.G. Findeis, B.D. LaZerte and L.D. Scott.Biogeochemistry project update : snow cores 1989-1992 : Plastic Lake & Harp Lake : report / prepared by J.G. Findeis, B.D. LaZerte and L.D. Scott.
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Ontario hardwood decline survey, 1989 and 1990 / report prepared for Phytotoxicology Section, Air Resources Branch, Ontario Ministry of Environment and Energy ; report prepared by BEAK Consultants.Ontario hardwood decline survey, 1989 and 1990 / report prepared for Phytotoxicology Section, Air Resources Branch, Ontario Ministry of Environment and Energy ; report prepared by BEAK Consultants.
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Zooplankton data and sample archive database design for the Dorset Research Centre : report / prepared by T.W. Pawson and N.D. Yan.Zooplankton data and sample archive database design for the Dorset Research Centre : report / prepared by T.W. Pawson and N.D. Yan.
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Phytotoxicology assessment survey in the vicinity of the Shell, PetroCanada and Imperial Oil petroleum tank farms, Toronto - 1991 / [report prepared by J. Craig Kinch].Phytotoxicology assessment survey in the vicinity of the Shell, PetroCanada and Imperial Oil petroleum tank farms, Toronto - 1991 / [report prepared by J. Craig Kinch].
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Phytotoxicology surveys conducted in the town of Elmira : Uniroyal Corporation, 1989, Sulco Canada Colours Ltd., 1990, Varnicolour Chemical Ltd., 1990 : report / prepared by W.D. McIlveen.Phytotoxicology surveys conducted in the town of Elmira : Uniroyal Corporation, 1989, Sulco Canada Colours Ltd., 1990, Varnicolour Chemical Ltd., 1990 : report / prepared by W.D. McIlveen.
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Report on Ontario's air, water and wasteReport on Ontario's air, water and waste
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Potential use of ultraviolet radiation for the control of zebra mussels : phase I-lab studies, phase II-field trials : RAC project no. 598C : final report / [D. Lewis and G.E. Whitby].Potential use of ultraviolet radiation for the control of zebra mussels : phase I-lab studies, phase II-field trials : RAC project no. 598C : final report / [D. Lewis and G.E. Whitby].
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Crayfish species assemblages in softwater lakes in seven tertiary watersheds in south-central Ontario / report prepared by S. M. David ... [et al.].Crayfish species assemblages in softwater lakes in seven tertiary watersheds in south-central Ontario / report prepared by S. M. David ... [et al.].
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Effects of zebra mussels on chlorophyll, nitrogen, phosphorus and silica in north shore waters of Lake Erie.Effects of zebra mussels on chlorophyll, nitrogen, phosphorus and silica in north shore waters of Lake Erie.
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Microbiological indicators for assessing hydraulic connection in buried high permeability zones at waste disposal sites : final report : RAC project no. 543G / [report prepared by Maxine Holder-Franklin].Microbiological indicators for assessing hydraulic connection in buried high permeability zones at waste disposal sites : final report : RAC project no. 543G / [report prepared by Maxine Holder-Franklin].
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Otonabee River - Rice Lake sediment and biomonitoring study 1996 / prepared by R. Jaagumagi ... [et al.]Otonabee River - Rice Lake sediment and biomonitoring study 1996 / prepared by R. Jaagumagi ... [et al.]
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Soil and garden produce survey resultsSoil and garden produce survey results
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Le Procès de la pluie : rapport sur les précipitations acides et remèdes envisagés par l'Ontario.Le Procès de la pluie : rapport sur les précipitations acides et remèdes envisagés par l'Ontario.
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The Case against the rain : a report on acid precipitation and Ontario programs for remedial action.. --The Case against the rain : a report on acid precipitation and Ontario programs for remedial action.. --
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Misuse of the null hypothesis in data reporting and interpretation : report / prepared by Donald E. King.Misuse of the null hypothesis in data reporting and interpretation : report / prepared by Donald E. King.
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Acute lethality data for Ontario's organic chemical manufacturing sector effluents covering the period from April 1990 to September 1990 : report / prepared by J.T. Lee ... [et al.].Acute lethality data for Ontario's organic chemical manufacturing sector effluents covering the period from April 1990 to September 1990 : report / prepared by J.T. Lee ... [et al.].
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Report on the assessment of the quality assurance and quality control data for the organic chemical manufacturing sector / report prepared by S. Michajluk and D. Boyd.Report on the assessment of the quality assurance and quality control data for the organic chemical manufacturing sector / report prepared by S. Michajluk and D. Boyd.
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Annu. stat. conc. depos. cumul. precip. monit. netw.Annu. stat. conc. depos. cumul. precip. monit. netw.
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Effects of acid deposition on the emergence of blackflies (Diptera: Simuliidae) over 50 years from Algonquin Park streams / report prepared by C.M. Chmielewski and R.J. Hall.Effects of acid deposition on the emergence of blackflies (Diptera: Simuliidae) over 50 years from Algonquin Park streams / report prepared by C.M. Chmielewski and R.J. Hall.
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Phytotoxicology vegetation assessment survey, Cornwall Island, Ontario, 1993.Phytotoxicology vegetation assessment survey, Cornwall Island, Ontario, 1993.
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Phytotoxicology survey report : UCAR Carbon Canada Incorporated, Welland, 1992 & 1993 / prepared by: William I. Gizyn.Phytotoxicology survey report : UCAR Carbon Canada Incorporated, Welland, 1992 & 1993 / prepared by: William I. Gizyn.
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Measuring zooplankton net filtration efficiency in Dorset lakes / report prepared by Norman D. Yan ... [et al.].Measuring zooplankton net filtration efficiency in Dorset lakes / report prepared by Norman D. Yan ... [et al.].
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Quality assurance and quality control analyses for the MISA Metal Casting SectorQuality assurance and quality control analyses for the MISA Metal Casting Sector
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Inventory of research and development projects.Inventory of research and development projects.
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The Development document for the effluent monitoring regulation for the metal casting sector.The Development document for the effluent monitoring regulation for the metal casting sector.
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Inventory of research and development projects.Inventory of research and development projects.
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Aquaculture wastewater treatment : wastewater characterization and development of appropriate treatment technologies for the Ontario trout production industry : report / prepared by: Daniel Stechey and Yves Trudell, Canadian Aquaculture Systems ; report prepared for: Environmental Services, Water Resources, Ministry of the Environment.Aquaculture wastewater treatment : wastewater characterization and development of appropriate treatment technologies for the Ontario trout production industry : report / prepared by: Daniel Stechey and Yves Trudell, Canadian Aquaculture Systems ; report prepared for: Environmental Services, Water Resources, Ministry of the Environment.
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The Acidification of Ontario lakes : an assessment of their sensitivity and current status with respect to biological damage / prepared by B.P. Neary ... [et al.].The Acidification of Ontario lakes : an assessment of their sensitivity and current status with respect to biological damage / prepared by B.P. Neary ... [et al.].
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The zebra mussel, Dreissena polymorpha--a photographic guide to the identification of microscopic veligers / report and photographs prepared by Gordon J. Hopkins.The zebra mussel, Dreissena polymorpha--a photographic guide to the identification of microscopic veligers / report and photographs prepared by Gordon J. Hopkins.
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Review of Bacillus thuringiensis var. kurstaki (Btk) for use in forest pest management programs of Ontario - with special emphasis on the aquatic environment / by G.A. Surgeoner and M.J. Farkas.Review of Bacillus thuringiensis var. kurstaki (Btk) for use in forest pest management programs of Ontario - with special emphasis on the aquatic environment / by G.A. Surgeoner and M.J. Farkas.
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Review of lecontvirus : a nuclear polyhedrosis virus with special emphasis on the aquatic environment : report / prepared by G.A. Surgeoner, M.J. Farkas.Review of lecontvirus : a nuclear polyhedrosis virus with special emphasis on the aquatic environment : report / prepared by G.A. Surgeoner, M.J. Farkas.
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A Profile of 2,4-D use and exposure in Ontario / presented by Deloitte Haskins & Sells.A Profile of 2,4-D use and exposure in Ontario / presented by Deloitte Haskins & Sells.
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A reference manual of chemical contaminants in Ontario sport fish : report / prepared by C. Cox and J. Ralston.A reference manual of chemical contaminants in Ontario sport fish : report / prepared by C. Cox and J. Ralston.
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Phytotoxicology background sampling in the city of Windsor: 1972-1986 / report prepared by R. G. Pearson.Phytotoxicology background sampling in the city of Windsor: 1972-1986 / report prepared by R. G. Pearson.
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Evaluation methods in environmental assessment / report prepared for Environmental Assessment Branch, Ontario Ministry of the Environment, by VHB Research & Consulting Inc., LocPlan, Lawrence MacDonald & Associates.Evaluation methods in environmental assessment / report prepared for Environmental Assessment Branch, Ontario Ministry of the Environment, by VHB Research & Consulting Inc., LocPlan, Lawrence MacDonald & Associates.
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Phytotoxicology background sampling in the city of Windsor: 1972-1986 / report prepared by R. G. Pearson.Phytotoxicology background sampling in the city of Windsor: 1972-1986 / report prepared by R. G. Pearson.
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The Development document for the effluent monitoring regulation for the iron and steel sector.The Development document for the effluent monitoring regulation for the iron and steel sector.
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Pesticide products classified in Ontario. --Pesticide products classified in Ontario. --
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Dly. precip. chem. list.Dly. precip. chem. list.
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Composting, a literature study : 1989 : report / prepared by M.M. Dillon Limited and Cal Recovery Systems Incorporated.Composting, a literature study : 1989 : report / prepared by M.M. Dillon Limited and Cal Recovery Systems Incorporated.
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Acute lethality data for Ontario's petroleum refinery effluents covering the period from december 1988 to may 1989 / report prepared by: Aquatic Toxicity Unit, Water Resources Branch, Ontario Ministry of the Environment.Acute lethality data for Ontario's petroleum refinery effluents covering the period from december 1988 to may 1989 / report prepared by: Aquatic Toxicity Unit, Water Resources Branch, Ontario Ministry of the Environment.
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Annu. stat. conc. depos. dly. precip. air monit. netw.Annu. stat. conc. depos. dly. precip. air monit. netw.
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Annu. stat. conc. depos. cumul. precip. monit. netw.Annu. stat. conc. depos. cumul. precip. monit. netw.
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Annu. stat. conc. depos. dly. precip. air monit. netw.Annu. stat. conc. depos. dly. precip. air monit. netw.
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Analysis of benthic macroinvertebrate samples from St. Marys River sediment cores, 1987 : report / prepared by R.J. Pope ; prepared for Water Resources Branch, Ontario Ministry of the Environment.Analysis of benthic macroinvertebrate samples from St. Marys River sediment cores, 1987 : report / prepared by R.J. Pope ; prepared for Water Resources Branch, Ontario Ministry of the Environment.
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Phytotoxicology investigation in the vicinity of the Brock West Landfill site, Pickering, 1986 / author, R.G. Pearson.Phytotoxicology investigation in the vicinity of the Brock West Landfill site, Pickering, 1986 / author, R.G. Pearson.
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The Development document for the effluent monitoring regulation for the inorganic chemical sector.The Development document for the effluent monitoring regulation for the inorganic chemical sector.
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Annu. stat. conc. depos. dly. precip. air monit. netw.Annu. stat. conc. depos. dly. precip. air monit. netw.
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The Development document for the effluent monitoring regulation for the organic chemical manufacturing sector.The Development document for the effluent monitoring regulation for the organic chemical manufacturing sector.
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Biosorption, bioaccumulation and food chain transfer of organic chemicals : report prepared by F. A. P. C. Gobas and D. Mackay.Biosorption, bioaccumulation and food chain transfer of organic chemicals : report prepared by F. A. P. C. Gobas and D. Mackay.
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Annu. stat. conc. depos. cumul. precip. monit. netw.Annu. stat. conc. depos. cumul. precip. monit. netw.
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Annual program report.Annual program report.
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Review and recommendations on a lead in soil guideline / report to the Minister of the Environment by the Lead in Soil Committee.Review and recommendations on a lead in soil guideline / report to the Minister of the Environment by the Lead in Soil Committee.
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Chrysophyte blooms in the plankton and neuston of marine and freshwater systems : report / prepared by K.H. Nicholls.Chrysophyte blooms in the plankton and neuston of marine and freshwater systems : report / prepared by K.H. Nicholls.
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Acute lethality data for Ontario's inorganic chemical manufacturing sector effluents covering the period from June 1990 to November 1990 : report / prepared by J.T. Lee ... [et al.].Acute lethality data for Ontario's inorganic chemical manufacturing sector effluents covering the period from June 1990 to November 1990 : report / prepared by J.T. Lee ... [et al.].
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Organic contaminants in forage fish from Toronto area streams : report / prepared by K. Suns and G. Hitchin.Organic contaminants in forage fish from Toronto area streams : report / prepared by K. Suns and G. Hitchin.
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Guidelines for the decommissioning and cleanup of sites in Ontario : report / prepared by Waste Management Branch, Ontario Ministry of the Environment.Guidelines for the decommissioning and cleanup of sites in Ontario : report / prepared by Waste Management Branch, Ontario Ministry of the Environment.
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Pesticide products classified in Ontario.Pesticide products classified in Ontario.
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Detection and quantification of herbicide residues in the environment using immunochemical techniques / prepared for Environment Ontario by John Christopher Hall.Detection and quantification of herbicide residues in the environment using immunochemical techniques / prepared for Environment Ontario by John Christopher Hall.
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Cottage country : an environmental manual for cottagers / produced by Environment Ontario, Jim Bradley, Minister.Cottage country : an environmental manual for cottagers / produced by Environment Ontario, Jim Bradley, Minister.
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The Acidification of Ontario lakes : an assessment of their sensitivity and current status with respect to biological damage / prepared by B.P. Neary ... [et al.].The Acidification of Ontario lakes : an assessment of their sensitivity and current status with respect to biological damage / prepared by B.P. Neary ... [et al.].
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The Development document for the effluent monitoring regulation for the Ontario mineral industry sector.The Development document for the effluent monitoring regulation for the Ontario mineral industry sector.
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The Development document for the effluent monitoring regulation for the electric power generation sector.The Development document for the effluent monitoring regulation for the electric power generation sector.
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Scoring system for assessing environmental contaminants.Scoring system for assessing environmental contaminants.
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Niagara River mussel biomonitoring survey, 1993Niagara River mussel biomonitoring survey, 1993
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An environmental evaluation of the lower Welland River / report prepared by R.J. Pope, K.A. Keenleyside, S.D. Speller [of] Tarandus Associates Limited for the Niagara Riber Improvment Project, Ontario Ministry of the Environment.An environmental evaluation of the lower Welland River / report prepared by R.J. Pope, K.A. Keenleyside, S.D. Speller [of] Tarandus Associates Limited for the Niagara Riber Improvment Project, Ontario Ministry of the Environment.
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Countdown acid rain : future abatement strategies : summary report / report prepared by Air Resources Branch, Ontario Ministry of the Environment.Countdown acid rain : future abatement strategies : summary report / report prepared by Air Resources Branch, Ontario Ministry of the Environment.
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Corrugated paper feed project / report prepared for Waste Management Branch, Ontario Ministry of the Environment ; report prepared by Weston Graham & Associates Limited.Corrugated paper feed project / report prepared for Waste Management Branch, Ontario Ministry of the Environment ; report prepared by Weston Graham & Associates Limited.
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Annual program report.Annual program report.
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Acute lethality data for Ontario's organic chemical manufacturing sector effluents covering the period from October 1989 to March 1990 / prepared by J.T. Lee, C.S. Logan, M.C. Mueller, D.G. Poirier, G.F. Westlake.Acute lethality data for Ontario's organic chemical manufacturing sector effluents covering the period from October 1989 to March 1990 / prepared by J.T. Lee, C.S. Logan, M.C. Mueller, D.G. Poirier, G.F. Westlake.
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The acute toxicity of industrial effluents to Daphnia magna : summary of 1987 testing / report prepared by D.G. Poirier and G.F. Westlake.The acute toxicity of industrial effluents to Daphnia magna : summary of 1987 testing / report prepared by D.G. Poirier and G.F. Westlake.
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LEO, Lexique d'environnement Ontario, 1992 = LEO, Environment Ontario lexicon, 1992.LEO, Lexique d'environnement Ontario, 1992 = LEO, Environment Ontario lexicon, 1992.
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Acute lethality data for Ontario's iron and steel manufacturing sector effluents covering the period from November 1989 to October 1990 / report prepared by D.G. Poirier ... [et al.].Acute lethality data for Ontario's iron and steel manufacturing sector effluents covering the period from November 1989 to October 1990 / report prepared by D.G. Poirier ... [et al.].
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Foliage chemistry surveys in the vicinity of Allied Chemicals Canada Incorporated and General Chemical Canada Limited, Amherstburg, Ontario in 1988, 1989 and 1990 : report / prepared by William I. Gizyn.Foliage chemistry surveys in the vicinity of Allied Chemicals Canada Incorporated and General Chemical Canada Limited, Amherstburg, Ontario in 1988, 1989 and 1990 : report / prepared by William I. Gizyn.
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Impact of bleached kraft mill effluent (BKME) on fish populations near Terrace Bay, Ontario / prepared for Environment Ontario by M.E. McMaster.Impact of bleached kraft mill effluent (BKME) on fish populations near Terrace Bay, Ontario / prepared for Environment Ontario by M.E. McMaster.
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Spatial and temporal trends of organochlorine contaminants in spottail shiners (Notropis hudsonius) from the Great Lakes and their connecting channels (1975 - 1988) / report prepared by K. Suns and G. Hitchin, D. Toner ; report prepared for Water Resources Branch, Ontario Ministry of the Environment.Spatial and temporal trends of organochlorine contaminants in spottail shiners (Notropis hudsonius) from the Great Lakes and their connecting channels (1975 - 1988) / report prepared by K. Suns and G. Hitchin, D. Toner ; report prepared for Water Resources Branch, Ontario Ministry of the Environment.
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Acute and chronic toxicity to zooplankton of pure pentachlorophenol and a technical formulation : laboratory and field studies / prepared for Environment Ontario by Gladys L. Stephenson and Narinder K. Kaushik.Acute and chronic toxicity to zooplankton of pure pentachlorophenol and a technical formulation : laboratory and field studies / prepared for Environment Ontario by Gladys L. Stephenson and Narinder K. Kaushik.
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Study of the Ontario environmental protection industry : report / prepared by Ernst and Young ; report prepared for Ontario Ministry of the Environment.Study of the Ontario environmental protection industry : report / prepared by Ernst and Young ; report prepared for Ontario Ministry of the Environment.
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Framework for evaluating response of aquatic toxicity and fish habitat to water quality control in the Don River : supporting document #2 - strategy for improvement of Don River water quality / report prepared by Beak Consultants Limited and Paul Theil Associates Ltd.Framework for evaluating response of aquatic toxicity and fish habitat to water quality control in the Don River : supporting document #2 - strategy for improvement of Don River water quality / report prepared by Beak Consultants Limited and Paul Theil Associates Ltd.
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Acidic precipitation in Ontario study project summariesAcidic precipitation in Ontario study project summaries
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Polycyclic aromatic hydrocarbons : sources, fate and levels in air, water, soil, sediments, sludge and food in Ontario / prepared for Hazardous Contaminants Branch by Concord Scientific Corporation and Beak Consultants.Polycyclic aromatic hydrocarbons : sources, fate and levels in air, water, soil, sediments, sludge and food in Ontario / prepared for Hazardous Contaminants Branch by Concord Scientific Corporation and Beak Consultants.
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Constructed wetlands for stormwater management : a review / [prepared] for the Metropolitan Toronto and Region Conservation Authority & the Ontario Ministry of the Environment by Mark E. Taylor & Associates.Constructed wetlands for stormwater management : a review / [prepared] for the Metropolitan Toronto and Region Conservation Authority & the Ontario Ministry of the Environment by Mark E. Taylor & Associates.
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Soil, vegetation and air quality sampling in the vicinity of the Cameco uranium refinery, Blind River, Ontario / report prepared by: J.J. Negusanti and R. Potvin.Soil, vegetation and air quality sampling in the vicinity of the Cameco uranium refinery, Blind River, Ontario / report prepared by: J.J. Negusanti and R. Potvin.
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The Development document for the effluent monitoring regulation for the pulp and paper sector.The Development document for the effluent monitoring regulation for the pulp and paper sector.
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Sediment bioassay research and development / prepared for Environment Ontario by Gail Krantzberg.Sediment bioassay research and development / prepared for Environment Ontario by Gail Krantzberg.
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The importance of runoff and winter anoxia to P and N dynamics of a beaver pond / report prepared by Kevin J. Devito and Peter J. Dillon.The importance of runoff and winter anoxia to P and N dynamics of a beaver pond / report prepared by Kevin J. Devito and Peter J. Dillon.
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Manual for establishing vegetation on landfills in Ontario / prepared for Ontario Ministry of the Environment ; prepared by Gartner Lee Limited. --Manual for establishing vegetation on landfills in Ontario / prepared for Ontario Ministry of the Environment ; prepared by Gartner Lee Limited. --
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Phytotoxicology Section investigation in the vicinity of Ethyl Corporation, Corunna, Ontario, August 23, 1989 : report / prepared by Phytotoxicology Section, Air Resources Branch, Ontario Ministry of the Environment.Phytotoxicology Section investigation in the vicinity of Ethyl Corporation, Corunna, Ontario, August 23, 1989 : report / prepared by Phytotoxicology Section, Air Resources Branch, Ontario Ministry of the Environment.
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Extraction of zygnematacean zygospores from lake sediments and their potential as paleo-indicators of lake acidification : R.A.C. Project No. 464G / prepared for Environment Ontario by P.A. Zippi ... [et al.].Extraction of zygnematacean zygospores from lake sediments and their potential as paleo-indicators of lake acidification : R.A.C. Project No. 464G / prepared for Environment Ontario by P.A. Zippi ... [et al.].
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The influence of hydrologic fluctuations and peat oxia on the phosphorus and nitrogen dynamics of a conifer swamp / [report prepared by Kevin J. Devito and Peter J. Dillon].The influence of hydrologic fluctuations and peat oxia on the phosphorus and nitrogen dynamics of a conifer swamp / [report prepared by Kevin J. Devito and Peter J. Dillon].
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The development document for the draft effluent monitoring regulation for the pulp and paper sector.The development document for the draft effluent monitoring regulation for the pulp and paper sector.
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Determination of chlorinated dibenzo-p-dioxins and chlorinated dibenzofurans in ambient air : proceedings of a workshop, September 17, 1989, Toronto, Ontario, Canada / edited by R.E. Clement.Determination of chlorinated dibenzo-p-dioxins and chlorinated dibenzofurans in ambient air : proceedings of a workshop, September 17, 1989, Toronto, Ontario, Canada / edited by R.E. Clement.
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Ontario hardwood decline survey, 1989 and 1990 / report prepared for Phytotoxicology Section, Air Resources Branch, Ontario Ministry of Environment and Energy ; report prepared by BEAK Consultants.Ontario hardwood decline survey, 1989 and 1990 / report prepared for Phytotoxicology Section, Air Resources Branch, Ontario Ministry of Environment and Energy ; report prepared by BEAK Consultants.
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