| #Q001 | administrative | operational | mandatory | Class B Label Information | other | Additional information must be shown on the label regarding essential conditions for display, distribution and limitations on use. | Applies to Class B (Restricted) pesticides | high |
| #Q002 | operational | operational | guidance | Class B Usage Qualifications | other | Specific qualifications may be required for a person to use this product. | Applies to Class B (Restricted) pesticides | high |
| #Q003 | prohibition | operational | mandatory | Class C Usage Restrictions | other | The pesticide can only be used by trained persons including certified farmers, licensed exterminators and permit holders. | Applies to Class C (Commercial) pesticides | high |
| #Q004 | prohibition | operational | mandatory | Class E Seed Treatment Usage | agricultural water, other | Corn and soybean seeds that are treated with neonicotinoids are restricted for use by certified persons in Ontario. | Applies to Class E pesticides | high |
| #Q005 | prohibition | health | mandatory | Cosmetic Pesticide Use Ban Exceptions | other | Pesticides can only be used for cosmetic purposes if the: use is permitted under an exception to the ban, or active ingredient in the pesticide is included on the Allowable List | When using pesticides for cosmetic purposes on lawns and gardens | high |
| #Q006 | administrative | operational | recommended | Allowable List Version Verification | other | Please check the list to ensure you use the most current version. | | high |
| #Q007 | administrative | operational | guidance | Request for Active Ingredient Addition | other | You can submit a form to the ministry to request that the Director under the Pesticides Act consider adding an active ingredient to the Allowable List. | | high |
| #Q008 | prohibition | operational | mandatory | Class A Usage Restriction | other | The pesticide is only used to manufacture a pest control product. | Applies to Class A (Manufacturing) pesticides | high |
| #Q009 | operational | health | guidance | Allowable List Usage Scope | other | Anyone can use these pesticides to control weeds and other pests on: lawns, gardens, driveways, parks, around the home | Applies to pesticides on the List of Active Ingredients Authorized for Cosmetic Uses | high |
| #Q010 | administrative | health | mandatory | Allowable List Addition Mandate | other | If the active ingredient meets specific criteria set out in the regulation and is appropriate for cosmetic use, it will be added to the Allowable List. | Applies to the Director's response to formal requests for inclusion | high |
| #Q011 | operational | operational | mandatory | FAA Deicing Safety Obligation | other | The Federal Aviation Administration (FAA) requires airlines and airports that operate during icy conditions to perform deicing and anti-icing of aircraft and airfield pavement. | When operating during icy conditions | high |
| #Q012 | administrative | reporting | mandatory | NPDES Stormwater Permit Requirement | wastewater | Airports are required to obtain stormwater discharge permits under the NPDES program and ensure that wastes from deicing operations are properly collected and treated. | Airports performing deicing operations | high |
| #Q013 | operational | treatment | mandatory | Airfield Pavement Deicer Restriction | wastewater | The Effluent Guidelines require existing and new primary airports with 1,000 or more annual jet departures that discharge wastewater associated with airfield pavement deicing to use non-urea-containing deicers, or alternatively, meet a numeric effluent limitation for ammonia. | Primary airports with 1,000 or more annual jet departures discharging airfield pavement deicing wastewater | high |
| #Q014 | treatment | treatment | mandatory | Aircraft Deicing Fluid Collection Mandate | wastewater | New airports with 10,000 annual departures located in certain cold climate zones are required to collect 60 percent of aircraft deicing fluid after deicing. | New airports with 10,000 annual departures in cold climate zones | high |
| #Q015 | monitoring | treatment | mandatory | Direct Discharge Numeric Compliance | wastewater | Airports that discharge the collected aircraft deicing fluid directly to waters of the U.S. must also meet numeric discharge requirements for chemical oxygen demand. | Airports discharging collected fluid directly to waters of the U.S. | high |
| #Q016 | monitoring | treatment | mandatory | EPA Method 537.1 Usage | drinking water | Updated to include EPA method 537.1, version 1.0 as an approved analytical method during the initial monitoring period only. | Applies during the initial monitoring period | high |
| #Q017 | monitoring | reporting | guidance | Small System UCMR 5 Data Utilization | drinking water | EPA released reprocessed small systems (those serving 10,000 or fewer people) UCMR 5 data on August 22, 2025, which can be utilized for the PFAS NPDWR. | Systems serving 10,000 or fewer people | high |
| #Q018 | operational | operational | mandatory | Sampling and Handling Requirements | drinking water | EPA released a new fact sheet on requirements and best practices for collecting, handling, and analyzing samples for the PFAS NPDWR. | PFAS NPDWR compliance sampling | high |
| #Q019 | administrative | reporting | recommended | Primacy Revision Extension Request | drinking water | EPA encourages states, territories, and Tribes seeking primacy for implementing the PFAS NPDWR to request additional time from EPA to develop their applications. | States, territories, and Tribes seeking primacy | high |
| #Q020 | operational | health | mandatory | PFOA and PFOS Regulation Maintenance | drinking water | EPA announced its intent to keep the existing National Primary Drinking Water Regulations (NPDWR) for PFOA and PFOS, while extending their compliance deadlines. | General PFAS NPDWR compliance | high |
| #Q021 | reporting | reporting | recommended | PFAS Laboratory and Reporting Recommendations | drinking water | Additionally, the memorandums provide information related to laboratory analytical requirements and recommendations for reporting of PFAS drinking water sample results. | Applicable to laboratories and water systems reporting PFAS results | high |
| #Q022 | administrative | reporting | guidance | PFAS Primacy Revision Extension Templates | drinking water | EPA released new templates that can be used by primacy agencies that intend to submit primacy revision extension requests for the PFAS NPDWR. | Primacy agencies seeking revision extensions | high |
| #Q023 | monitoring | treatment | mandatory | EPA Method 537.1 Approval for Initial Monitoring | drinking water | EPA published a final rule, on January 16, 2025, to allow the use of EPA method 537.1, version 1.0 in satisfying the initial monitoring requirements. | Initial monitoring period for PFAS NPDWR | high |
| #Q024 | administrative | reporting | mandatory | Discharger Permit and Control Requirements | wastewater | The Battery Manufacturing Effluent Guidelines and Standards are incorporated into NPDES permits for direct dischargers, and permits or other control mechanisms for indirect dischargers (see Pretreatment Program). | Applies to direct and indirect dischargers in the battery manufacturing industry | high |
| #Q025 | prohibition | operational | mandatory | Subcategory Zero Discharge Requirement | wastewater | Some subcategories include zero discharge requirements. | Applies to specific battery manufacturing subcategories identified in 40 CFR Part 461 | high |
| #Q026 | administrative | reporting | mandatory | NAICS Coverage Disclaimer | wastewater | the NAICS listing is provided as a guide and does not define the coverage of the Battery Manufacturing category. | For determination of regulatory applicability | high |
| #Q027 | administrative | reporting | mandatory | Cement Manufacturing Permit Incorporation | wastewater | The Cement Manufacturing Effluent Guidelines and Standards are incorporated into NPDES permits for direct dischargers, and permits or other control mechanisms for indirect dischargers | Applies to direct and indirect dischargers in the cement manufacturing industry | high |
| #Q028 | administrative | operational | recommended | Regulatory Coverage Verification | wastewater | For precise definitions of coverage, see the applicability sections in 40 CFR Part 411 | When determining if a facility is covered by the regulation | high |
| #Q029 | administrative | reporting | guidance | NAICS Applicability Disclaimer | wastewater | The NAICS listing is provided as a guide and does not define the coverage of the Cement Manufacturing category. | When using NAICS group 327310 for industry identification | high |