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008150406s2005    qucobd  ob   f000 0 eng d
020 |a0662421434
040 |aCaOODSP|beng
043 |an-cn---
0861 |aEn153-114/4-2005E-PDF
1001 |aRondeau, Bernard, |d1962- |eauthor.
24510|aWater quality in the fluvial section : |bcontamination by toxic substances / |cprepared by: Bernard Rondeau.
250 |a2nd ed.
260 |aSainte-Foy, Quebec : |bEnvironment Canada, St. Lawrence Plan, |c2005.
300 |a1 online resource (6 pages) : |bphotos, maps, graphs.
336 |atext|btxt|2rdacontent
337 |acomputer|bc|2rdamedia
338 |aonline resource|bcr|2rdacarrier
500 |aTitle from caption.
500 |aIssued also in French under title: La qualité de l'eau du secteur fluvial : la contamination par les toxiques.
504 |aIncludes bibliographical references.
520 |a"Urban development, industrial activities and farming have unleashed a massive load of toxic substances into our watercourses over the last century. These toxic inputs have contributed to degrading the water quality in the immense Great Lakes–St. Lawrence Basin, thus placing this unique ecosystem at risk"--Page 1.
69207|2gccst|aWater quality
69207|2gccst|aEnvironmental management
69207|2gccst|aRivers
7102 |aSt. Lawrence Centre, |eissuing body.
77508|tLa qualité de l'eau du secteur fluvial |w(CaOODSP)9.592664
794 |tWater quality in the fluvial section |w(CaOODSP)9.835047
85640|qPDF|s1042 KB|uhttps://publications.gc.ca/collections/collection_2008/ec/En153-114-4-2005E.pdf