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Dissolved oxygen

Source: Official Journal of the European Communities 23, Official Directive no. L229/11-L229/23 (30 August 1980). Note: Certain of these substances may even be toxic when present in very substantial quantities. *Refer to EEC standards for comments.

Dissolved oxygen

Source: Official Journal of the European Communities 23, Official Directive no. L229/11-L229/23 (30 August 1980). Note: Certain of these substances may even be toxic when present in very substantial quantities. *Refer to EEC standards for comments.

quality guidelines and conducts research. Guidelines for Canadian drinking water quality are developed through a joint federal-provincial mechanism and are not legally enforceable unless promulgated as regulations by the appropriate provincial agency. Table 4.6.4 lists the current guidelines for Canadian drinking water quality.

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