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|Material Type:||Government publication, National government publication|
|All Authors / Contributors:||
Colin D Levings; National Research Council Canada. Subcommittee on Water.
|Notes:||At head of title: National Research Council of Canada, NRCC Associate Committee on Scientific Criteria for Environmental Quality.|
|Description:||142 p. : ill. ; 27 cm.|
|Series Title:||NRCC, no. 18130|
|Responsibility:||prepared for the Subcommittee on Water by C.D. Levings.|