| Req ID | Category | Intent | Legal Status | Name | Subdomain(s) | Context | Conditions | Confidence |
|---|---|---|---|---|---|---|---|---|
| #Q001 | treatment | health | recommended | Reduction of Boron Levels Below MAC | drinking water | As this value exceeds the HBV, efforts should be made to reduce boron in drinking water to levels lower than 5 mg/L where possible. | Where possible | high |
| #Q002 | administrative | unknown | mandatory | Guideline Review and Research Monitoring | drinking water | As part of its ongoing guideline review process, Health Canada will continue to monitor new research in this area and recommend any change to the guideline that is deemed necessary. | As part of its ongoing guideline review process | high |
| Req ID | Category | Intent | Legal Status | Name | Subdomain(s) | Limit Type | Limit Value | Context | Conditions | Confidence |
|---|---|---|---|---|---|---|---|---|---|---|
| #P001 | chemical | health | guideline | Boron | drinking water | MAC | 5 mg/L | A MAC of 5 mg/L is established for boron in drinking water. This MAC generally aligns with established limits in other jurisdictions. | high | |
| #P002 | chemical | health | recommended | Boron | drinking water | treatment_goal | < 5 mg/L | efforts should be made to reduce boron in drinking water to levels lower than 5 mg/L where possible | As this value exceeds the HBV, lower concentrations can be achieved by some drinking water treatment systems depending on the source water quality, the type of treatment technology in place and the operational conditions. | high |
| #P003 | chemical | health | guidance | Boron (HBV) | drinking water | unknown | 0.1 mg/L | Health-based value (HBV) derived using a conservative approach intended to protect against potential reproductive effects. | Testicular effects observed in dogs were the most sensitive endpoint and are used to establish the HBV of 0.1 mg/L. | high |
| Req ID | Category | Name | Context | Confidence |
|---|---|---|---|---|
| #D001 | MAC | maximum acceptable concentration | high | |
| #D002 | CDW | Federal-Provincial-Territorial Committee on Drinking Water | high | |
| #D003 | HBV | health-based value | high | |
| #D004 | BSR | boron selective resin | high |