| Req ID | Category | Intent | Legal Status | Name | Subdomain(s) | Context | Conditions | Confidence |
|---|---|---|---|---|---|---|---|---|
| #Q001 | administrative | operational | guideline | Site-Specific Objective Considerations | other | Ambient water quality objectives for specific waterbodies will be based on the guidelines and also consider present and future uses, waste discharges, hydrology/limnology/oceanography and existing background water quality. | When establishing site-specific ambient water quality objectives | high |
| #Q002 | monitoring | operational | guidance | Nitrate Level Measurement in Chlorate Toxicity Testing | aquatic life | It is important therefore to know the level of nitrate in any experimental or natural system in which chlorate toxicity is being measured. | When chlorate toxicity is being measured in an experimental or natural system | medium |
| #Q003 | treatment | treatment | guideline | Chlorate and Chlorite Reduction Requirement | drinking water | If chlorine dioxide is to be a viable water treatment alternative, chlorate and chlorite ions need to be reduced or removed. | If chlorine dioxide is used as a water treatment alternative | high |
| #Q004 | operational | treatment | guidance | Hypochlorite Solution Optimization | drinking water | The amount of chlorate produced can be reduced by using hypochlorite solutions of less than 10% available chlorine in the disinfection step | During the disinfection step in drinking water treatment | high |
| #Q005 | design | health | recommended | Drinking Water Intake Proximity Restriction | drinking water | Drinking water intakes should not be located immediately downstream of pulp mill discharges. | When siting or designing drinking water intakes | high |
| Req ID | Category | Intent | Legal Status | Name | Subdomain(s) | Limit Type | Limit Value | Context | Conditions | Confidence |
|---|---|---|---|---|---|---|---|---|---|---|
| #P001 | chemical | health | guideline | Chlorate | drinking water | requirement | 2.4 milligrams/L | Raw Drinking Water | to protect 5 kg infants | high |
| #P002 | chemical | health | guideline | Chlorate | agricultural water | requirement | 3 milligrams/L | Wildlife and Livestock | high | |
| #P003 | chemical | health | guideline | Chlorate | aquatic life | requirement | 30 milligrams/L | Freshwater Aquatic Life | to protect the most sensitive species, which appear to be green algae | high |
| #P004 | chemical | health | guideline | Chlorate | aquatic life | requirement | 5 micrograms/L | Marine Aquatic Life | to protect the most sensitive species, which are the brown algae | high |
| Req ID | Category | Name | Context | Confidence |
|---|---|---|---|---|
| #D001 | guideline | The guidelines are province-wide in application, are use-specific, and are developed for some or all of the following specific water uses: - Raw drinking, public water supply and food processing - Aquatic life and wildlife - Agriculture (livestock watering and irrigation) - Recreation and aesthetics - Industrial (water supplies) | high | |
| #D002 | site-specific ambient water quality objectives | These objectives are the guidelines, adopted or modified to meet specific local conditions, applied to a particular body of water to protect the most sensitive designated water use. | high | |
| #D003 | guidelines | The guidelines represent safe conditions or levels of a variable which have province-wide application and are set to protect various water uses. | high | |
| #D004 | Sodium chlorate | Sodium chlorate is a colourless, cubic or trigonal crystal or a white powder. | high | |
| #D005 | nitrate reductase enzyme system | The nitrate reductase enzyme system in plants is an inducible enzyme system which requires a certain minimum threshold level of nitrate in order to become activated. | high | |
| #D006 | Ambient water quality objectives | Ambient water quality objectives for specific waterbodies will be based on the guidelines and also consider present and future uses, waste discharges, hydrology/limnology/oceanography and existing background water quality. | high | |
| #D007 | guideline | A numerical concentration or a narrative statement, which has been established to support and protect the designated uses of water at a specified site. | high |