| 000 | 00000nam 2200000za 4500 |
| 001 | 9.861825 |
| 003 | CaOODSP |
| 005 | 20241203113644 |
| 007 | cr ||||||||||| |
| 008 | 180912s1972 onc #ot f|0| 0 eng d |
| 040 | |aCaOODSP|beng |
| 043 | |an-cn--- |
| 086 | 1 |aEn36-503/67E-PDF |
| 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. |
| 260 | |aOttawa : |bDept. of the Environment, |c1972. |
| 300 | |axii, 156 p. |
| 490 | 1 |aTechnical bulletin - Inland Waters Directorate ; |vno. 67 |
| 500 | |aDigitized edition from print [produced by Environment and Climate Change Canada]. |
| 504 | |aIncludes bibliographic references. |
| 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. |
| 692 | 07|2gccst|aWater quality |
| 692 | 07|2gccst|aWater pollution |
| 710 | 1 |aCanada. |bEnvironment Canada. |
| 710 | 1 |aCanada. |bInland Waters Directorate. |
| 830 | #0|aTechnical bulletin (Canada. Inland Waters Directorate)|vno. 67.|w(CaOODSP)9.861123 |
| 856 | 40|qPDF|s8.19 MB|uhttps://publications.gc.ca/collections/collection_2018/eccc/en36-503/En36-503-67-eng.pdf |