Wood preservation facilities, creosote: chapter D, table 3

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Element	Limit value	Basis (objectives)	Agency
Oil and petrochemicals	For the protection of aquatic life, should not be present in concentrations that exceed 5% of the median lethal concentration in a 96-hour test for any sensitive local species	Oil and petrochemicals should not be present in concentrations that: can be detected as a visible film, sheen or discoloration on the surface; can be detected by odour; can cause tainting of edible aquatic organisms; or can form deposits on shorelines and bottom sediments that are detectable by sight or odour, or are deleterious to resident aquatic organisms.	International Joint Commission ^a
Benzo(a)pyrene in water	Maximum concentration 0.01 µg/L	Protection of drinking water (aesthetic considerations)	Health Canada ^b
Polycyclic aromatic hydrocarbons (PAH)	Please refer to the CCMEsummary table	Protection of aquatic life	CCME^c

Footnotes

Footnote a

Recommendations of the International Joint Commission (IJC) to the governments of Canada and the United States, Great Lakes Water Quality Agreement, 1978 (Review 2007).

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Footnote b

Health Canada, Guidelines for Canadian Drinking Water Quality, 2010.

“Maximum acceptable” was defined by Health Canada as: “Drinking water that contains substances in concentrations greater than these limits is either capable of producing deleterious health effects or is aesthetically objectionable.” “Objective” is defined by Health and Welfare Canada as: “This level is interpreted as the ultimate quality goal for both health and aesthetic purposes.”

Return to footnoteb referrer

Footnote c

Canadian Council of Ministers of the Environment (CCME) Canadian Environmental Quality Guidelines, Water Quality Guidelines for the Protection of Aquatic Life.

Return to footnotec referrer

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2017-09-10

Wood preservation facilities, creosote: chapter D, table 3

Table 3. Regulatory Limits for Creosote Components in Natural Water Bodies

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