00000nam 2200000zi 4500 9.904359 CaOODSP 20221107180525 m o d f cr |n||||||||| 211022s1986 onca o f000 0 eng d CaOODSP eng rda CaOODSP nl----- En36-539/43-1986E-PDF Allan, R. J., author. Dealing with toxic contamination in aquatic ecosystems : the Niagara River - Lake Ontario example / by R.J. Allan. [Burlington, Ont.] : Environment Canada, National Water Research Institute = Environnement Canada, Institut national de recherche sur les eaux, [1986] 1 online resource (32 pages) : illustrations. text txt rdacontent computer c rdamedia online resource cr rdacarrier [Unpublished manuscript] Digitized edition from print [produced by Environment and Climate Change Canada]. "In the last few decades, dependence on synthetic and naturally derived chemicals has increased dramatically in our domestic, industrial and agricultural pursuits. Due to the remarkable achievements of modern chemistry and the chemical industry, a vast array of newly developed chemicals has entered the human environment in a variety of ways both intentionally and unintentionally"--Page 1 Water Pollution Toxicology Great Lakes (North America) Eau Pollution Toxicologie Grands Lacs (Amérique du Nord) National Water Research Institute (Canada), issuing body. Unpublished manuscript (National Water Research Institute (Canada)) (CaOODSP)9.901451 PDF 1.21 MB https://publications.gc.ca/collections/collection_2021/eccc/en36-539/En36-539-43-1986-eng.pdf