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| 01608nam 2200289za 4500 |
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| 001 | 9.861825 |
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| 003 | CaOODSP |
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| 005 | 20221107160845 |
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| 007 | cr ||||||||||| |
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| 008 | 180912s1972 onc #ot f|0| 0 eng d |
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| 040 | |aCaOODSP|beng |
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| 043 | |an-cn--- |
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| 086 | 1 |aEn36-503/67E-PDF |
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| 245 | 00|aGuidelines for water quality objectives and standards |h[electronic resource] : |ba preliminary report / |cprepared by the working group on Water Quality Criteria of the Subcommittee on Water Quality, Interdepartmental Committee on Water, Department of the Environment. |
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| 260 | |aOttawa : |bDept. of the Environment, |c1972. |
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| 300 | |axii, 156 p. |
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| 490 | 1 |aTechnical bulletin - Inland Waters Directorate ; |vno. 67 |
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| 500 | |aDigitized edition from print [produced by Environment and Climate Change Canada]. |
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| 504 | |aIncludes bibliographic references. |
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| 520 | |a"The material presented herein contains scientific findings and discussions from a wide range of international sources. It is a reference that has been urgently needed for many years, and is addressed to all who are concerned with and responsible for water quality and pollution control requirements in Canada"--p. iv. |
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| 692 | 07|2gccst|aWater quality |
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| 692 | 07|2gccst|aWater pollution |
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| 710 | 1 |aCanada. |bEnvironment Canada. |
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| 710 | 1 |aCanada. |bInland Waters Directorate. |
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| 830 | #0|aTechnical bulletin (Canada. Inland Waters Directorate)|vno. 67.|w(CaOODSP)9.861123 |
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| 856 | 40|qPDF|s8.19 MB|uhttps://publications.gc.ca/collections/collection_2018/eccc/en36-503/En36-503-67-eng.pdf |
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