00000nam 2200000za 4500 9.835507 CaOODSP 20230324133523 cr ||||||||||| 170420s2009 xxcbod #o f|0| 0 eng d CaOODSP eng n-cn-qu En153-114/8-2009E-PDF Laliberté, Denis. Water quality of the Richelieu and Yamaska rivers [electronic resource] : contamination by toxic substances / [prepared by Denis Laliberté]. [S.l.] : Minister of the Environment, c2009. [6] p. : map, photos, charts. Digitized edition from print [produced by Environment Canada]. "The watershed regions of the Richelieu and Yamaska rivers are home to a number of industries specialized in agri-food, chemicals, metals pro-cessing, plastics and textiles. These past or current industrial activities are likely to result in the release of toxic substances into the environment , including polychlorinated biphenyls (PCBs), polycyclic aromatic hydrocar-bons (PAHs), polychlorinated dioxins and furans (PCDD/Fs), all of which are present in the waters of the Richelieu and Yamaska rivers"p. 1. gccst Rivers gccst Water quality gccst Toxic substances St. Lawrence Centre. PDF 1.66 MB https://publications.gc.ca/collections/collection_2017/eccc/En153-114-8-2009-eng.pdf