00000nam 2200000zi 4500 9.870971 CaOODSP 20241203113647 m o d f cr ||||||||||| 190402s1999 onca #ot f000 0 eng d CaOODSP eng rda CaOODSP n-cn-on En13-5/99-222E-PDF Crowe, Allan, 1952- author. Distribution and persistence of DDT at Point Pelee National Park, Ontario / Allan S. Crowe. Burlington, Ontario : National Water Research Institute, Environment Canada, [1999] 1 online resource (8, (6) pages) : illustrations. text txt rdacontent computer c rdamedia online resource cr rdacarrier NWRI contribution ; 99-222 Digitized edition from print [produced by Environment and Climate Change Canada]. Includes bibliographical references. "The large scale use of the pesticide DDT occurred in Point Pelee National Park between 1948 and 1967 for mosquito control in recreational areas and pest control in the former apple orchards. By the late 1990's, it was expected that the DDT and its degradation products DDD and DDE would no longer exist at Point Pelee. However, during 1998 these compounds were detected in the shallow soil at several locations within the Park"--Abstract. gccst National parks gccst Soil pollution gccst Pesticides Canada. Environment Canada. National Water Research Institute (Canada) NWRI contribution ; 99-222. (CaOODSP)9.844121 PDF 1.27 MB https://publications.gc.ca/collections/collection_2019/eccc/en13-5/En13-5-99-222-eng.pdf