| Req ID | Category | Intent | Legal Status | Name | Subdomain(s) | Context | Conditions | Confidence |
|---|---|---|---|---|---|---|---|---|
| #Q001 | administrative | operational | guidance | Methoprene Risk Assessment Guideline Application | aquatic life, other | The ministry has advised users interested in assessing the risk of methoprene for control of mosquito larvae in water to use the Canadian Council of Ministers of the Environment (CCME) Canadian Water Quality Guideline (CWQG). | When users are interested in assessing the risk of methoprene for control of mosquito larvae in water | high |
| #Q002 | operational | operational | mandatory | Methoprene Use Certification Requirement | aquatic life, other | Methoprene is sold for mosquito control in Canada under the trade name Altosid, and is classified as "Restricted", which signifies that it is only to be used by persons who are certified or licensed by provincial agencies. | When applying Methoprene for mosquito control | high |
| #Q003 | administrative | operational | guidance | Application of Provincial Water Quality Objectives | aquatic life, recreational water | PWQOs are used to: 1. classify receiving waters for water management purposes; 2. assess contaminant discharges to the aquatic environment; and 3. derive water quality-based effluent limits which may be included in Certificates of Approval which are issued to regulate effluent discharges. | When managing contaminants that impair the aquatic environment | high |
| Req ID | Category | Intent | Legal Status | Name | Subdomain(s) | Limit Type | Limit Value | Context | Conditions | Confidence |
|---|---|---|---|---|---|---|---|---|---|---|
| #P001 | chemical | unknown | recommended | Methoprene (non-target organisms) | aquatic life, recreational water | MAC | 2.0 x 10-4 mg/L | Proposed Interim Provincial Water Quality Objective (iPWQO). Equivalent to 200 ng/L. Note: The decision summary indicates the Ministry did not adopt this as a PWQO. | Maximum desirable concentrations to ensure surface waters are satisfactory for aquatic life and recreation. | high |
| #P002 | chemical | unknown | recommended | Methoprene (target organisms) | aquatic life, recreational water | MAC | 1.0 x 10-6 mg/L | Proposed Interim Provincial Water Quality Objective (iPWQO). Equivalent to 1 ng/L. Note: The decision summary indicates the Ministry did not adopt this as a PWQO. | Maximum desirable concentrations to ensure surface waters are satisfactory for aquatic life and recreation. | high |
| Req ID | Category | Name | Context | Confidence |
|---|---|---|---|---|
| #D001 | PWQOs | Provincial Water Quality Objectives | high | |
| #D002 | CCME | Canadian Council of Ministers of the Environment | high | |
| #D003 | CWQG | Canadian Water Quality Guideline | high | |
| #D004 | iPWQO | Interim Provincial Water Quality Objective | high | |
| #D005 | Provincial Water Quality Objectives (PWQOs) and Interim Provincial Water Quality Objectives (iPWQO) | maximum desirable concentrations of chemicals which ensure that surface waters are satisfactory for aquatic life and recreation | high | |
| #D006 | photolysis | chemical decomposition induced by light | high | |
| #D007 | Restricted | signifies that it is only to be used by persons who are certified or licensed by provincial agencies | high | |
| #D008 | ERO | Environmental Registry of Ontario | high | |
| #D009 | mg | milligram | high | |
| #D010 | L | litre | high | |
| #D011 | ng | nanogram | high |