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Document ID ca-on-paicwqgsaipwqo-2020-07-17 Title Proposed Adoption of the Interim Canadian Water Quality Guideline for Sulfolane as an Interim Provincial Water Quality Objective URL unknown Jurisdiction /ca/on Subdomain(s) Regulations & standards Language en Status completed Analyzed at 2026-03-29 20:55:52.693304+00:00 Relevance This document describes a public consultation on a proposed water quality standard.

Q Qualitative Requirements (2)

Req ID Category Intent Legal Status Name Subdomain(s) Context Conditions Confidence
#Q001administrativeunknownguidanceSulfolane Risk Assessment Guidanceaquatic lifeUsers interested in assessing the risk of sulfolane to aquatic organisms are advised to use the Canadian Council of Ministers of the Environment (CCME) CWQG.When assessing the risk of sulfolane to aquatic organismshigh
#Q002administrativeoperationalmandatoryMinistry Review of PWQOsotherThe ministry will continue to review its use of PWQOs, particularly for substances that do not have CWQGs, or to address effects outside the scope of CWQGs.For substances without CWQGs or to address effects outside the scope of CWQGsmedium

P Quantitative Requirements (1)

Req ID Category Intent Legal Status Name Subdomain(s) Limit Type Limit Value Context Conditions Confidence
#P001chemicalunknownguidelineSulfolaneaquatic lifeMAC50 mg/LProposed Interim Provincial Water Quality Objective (iPWQO) for sulfolane. Note: The decision summary indicates the Ministry ultimately did not adopt this guideline.Maximum desirable concentration to ensure surface waters are satisfactory for aquatic life and recreation.high

D Definitions (0)

No definitions.