Air Contaminants Benchmarks List

Standards, guidelines and screening levels for assessing point of impingement concentrations of air contaminants

Get information on the ministry’s standards, guideline values and screening levels that are used to assess point of impingement concentrations of contaminants released into the air. These are used primarily to prepare an Emission Summary and Dispersion Modelling (ESDM) report.

This dataset is draft and in development.

Ministry contact: Environment, Conservation and Parks

Additional information

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Source URL/Address
https://www.ontario.ca/document/air-contaminants-benchmarks-list-standards-guidelines-and-screening-levels-assessing-point

Air Contaminants Benchmarks List

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  • CSV
    Air Contaminants Benchmarks List English

    Last Updated: November 5, 2023

    The ACB List is the list of approximately 5,200 contaminants with...

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  • CSV
    Table 4 - Upper Risk Thresholds English

    Last Updated: November 5, 2023

    Upper risk thresholds (URTs) is Schedule 6 (Upper Risk Thresholds) to O. Reg....

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  • CSV
    Table 5 - Removed B2 Values English

    Last Updated: November 5, 2023

    Table 5: Removed B2s is a list of contaminants for which a B2 value is no...

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  • CSV
    Table 6 - Removed B1 Values English

    Last Updated: November 5, 2023

    Removed B1s is a list of contaminants with respective half-hour B1 values...

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Supporting Files

  • PDF
    Air Contaminants Benchmarks List Notes English

    Last Updated: November 5, 2023

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