| #Q001 | operational | operational | mandatory | Reasonable Precautions for Controlling Releases | wastewater, other | Under the NSCA and its regulations, licensees are required to take all reasonable precautions to control the release of nuclear and hazardous substances to the environment from licensed facilities or activities. | Applicable to all licensed facilities or activities. | high |
| #Q002 | administrative | health | mandatory | Assessment of Environmental Effects and Mitigation | wastewater, other | As part of an application for a licence to construct, operate or decommission a nuclear facility, applicants and licensees are required to assess the effects on the environment and the health and safety of persons, and identify prevention or mitigation measures. | Required as part of a licence application to construct, operate or decommission. | high |
| #Q003 | reporting | reporting | mandatory | Identification of Release Information in Application | wastewater, other | In addition, the application must identify the: proposed location(s) of releases, proposed maximum quantities and concentrations, anticipated volume and flow rate of releases of nuclear and hazardous substances into the environment, proposed measures to control releases of nuclear substances and hazardous substances into the environment | Required as part of a licence application. | high |
| #Q004 | reporting | operational | mandatory | Description of Environmental Control Measures | wastewater, other | The applicant or licensee shall: describe the control measures that will be taken for the protection of the environment, including the pollution control and abatement technologies and techniques; demonstrate that reasonable precautions have been taken: to prevent or mitigate physical disturbances and releases of nuclear or hazardous substances; to prevent or minimize any effects associated with those disturbances and releases; demonstrate that the principles of ALARA and BATEA have been incorporated (based on the approved design; see section 4) to: minimize controlled releases and prevent uncontrolled releases of nuclear and hazardous substances to the environment, mitigate physical effects such as impingement and entrainment of biota, reduce exposures of radiation; ensure that releases are not acutely lethal | Applies to all facilities and activities. | high |
| #Q005 | administrative | reporting | mandatory | Requirements for New Facilities or Major Modifications | wastewater, other | As part of the licence application for a new facility or activity, or for an existing facility or activity that is undergoing a major modification, the applicant or licensee shall: conduct a BATEA assessment to determine the maximum predicted design release characteristics (see section 4); establish the proposed release limits (see section 5); establish the action levels (see section 6); conduct an ERA in accordance with REGDOC-2.9.1, Environmental Principles, Assessments and Protection Measures [1]; establish a commissioning plan and implement commissioning of the treatment system and control measures (see section 7) | Applicable for a new facility or activity, or for an existing facility or activity that is undergoing a major modification. | high |
| #Q006 | monitoring | operational | mandatory | Routine Monitoring for Existing Facilities | wastewater, other | For an existing facility or activity under normal operation, and in line with its environmental protection program, the licensee shall: conduct routine effluent and/or emission and environmental monitoring as described in the licensee’s approved environmental protection program; assess effluent and/or emission monitoring results against the licensed release limits and action levels; assess the environmental monitoring results against: the predictions in the ERA, any new or changes in legislation; update the site-specific ERA and characterize the risks to the environment (as per ERA periodic update requirements); upon completion of the ERA, notify the Commission if a previously unmanaged risk is identified in the ERA, and adaptive management is required to restore the effectiveness of the environmental protection program | Applicable for an existing facility or activity under normal operation. | high |
| #Q007 | corrective_action | treatment | mandatory | Implementation of Adaptive Management | wastewater, other | Where adaptive management is required, the licensee shall: develop and document an adaptive management response plan (see section 8); implement an interim pollution prevention plan, as applicable (see section 8); conduct a BATEA assessment to determine the maximum predicted design release(s) characteristics (MPDRCs) and update proposed release limits to be used in the new or revised ERA (see section 4); submit the information for the proposed revision to the licensing basis to the CNSC; as applicable, implement the long-term solution arising from the BATEA assessment (see section 8) | Triggered when adaptive management is required. | high |
| #Q008 | administrative | treatment | mandatory | Requirement to Conduct BATEA Assessment | wastewater, other | For facilities and activities that are new or are undergoing major modifications that have the potential to increase or change the nature of releases to the environment and the resulting risks to receptors, the applicant or licensee shall conduct an assessment to identify the best available technologies, or the best available techniques for control, that have been demonstrated on an industrial scale to reduce the release of contaminants or physical stressors to the environment. | For new facilities or existing ones undergoing major modifications with potential to increase or change releases/risks. | high |
| #Q009 | reporting | reporting | mandatory | Documentation of BATEA Assessment | wastewater, other | The applicant or licensee shall document the BATEA assessment and results and shall submit them to the CNSC (see figure 3a). | | high |
| #Q010 | administrative | reporting | mandatory | Required Elements of BATEA Assessment | wastewater, other | A BATEA assessment shall contain the following elements: characterization of pollutant source or sources, identification of contaminants and physical stressors that will require control, establishment of environmental release targets, analysis of options for technology and techniques, identification of the maximum predicted design release characteristics, analysis of benefits, selection of best BATEA option | | high |
| #Q011 | reporting | reporting | mandatory | Submission of Proposed Release Limits | wastewater, other | The applicant or licensee shall submit to the CNSC: the locations of the proposed controlled release points; for radioactive nuclear substances, either: the proposed release limit(s) associated with each proposed controlled release point for each contaminant, or the proposed release limit(s) for the facility and/or activity for each contaminant; for hazardous substances, the proposed release limit(s) associated with each proposed controlled release point for each contaminant and/or physical stressor; the methodology used to establish the proposed release limit(s) | | high |
| #Q012 | administrative | operational | mandatory | Use MPDRCs for Contaminants Without Established Limits | wastewater, other | For contaminants and physical stressors that do not have established limits on releases, the applicant or licensee shall use the MPDRCs to establish appropriate proposed release limits. | Applicable when established limits on releases do not exist. | high |
| #Q013 | administrative | health | mandatory | Demonstrate Public Dose Limit Compliance | wastewater, other | For all nuclear substances released from the facility or activity, the applicant or licensee shall demonstrate that, based on the proposed release limit(s), the maximum predicted annual total effective dose to a member of the public is less than the regulatory public dose limit. | Applies to releases of nuclear substances. | high |
| #Q014 | administrative | operational | mandatory | Establishing Proposed Release Limits Procedure | wastewater, other | To establish the proposed release limit(s), the applicant or licensee shall: identify the controlled release points where proposed release limit(s) will apply; identify the MPDRCs; identify each contaminant and physical stressor that requires a release limit; establish the proposed release limit(s); demonstrate that the proposed release limits respect the radiological regulatory public dose limit, and do not pose an unreasonable risk to human health or the environment | | high |
| #Q015 | corrective_action | operational | mandatory | Response to Licensed Release Limit Exceedances | wastewater, other | When a licensee becomes aware that a licensed release limit has been exceeded, the licensee shall: limit, to the extent possible, the effect and magnitude of the exceedance; conduct an investigation to establish the cause and determine the magnitude of the exceedance; assess the potential effects on human health and the environment; identify and take action to restore the effectiveness of the environmental protection program and/or control measure(s) implemented, and prevent recurrence (this may include the application of adaptive management; see section 8); follow the reporting requirements described in the regulatory document applicable to the facility or activity | When a licensed release limit has been exceeded. | high |
| #Q016 | administrative | operational | mandatory | Revision of Licensed Release Limits | wastewater, other | Licensed release limits shall be revised in response to: a major modification of the operations of the facility, leading to a change in the licensing basis; new or updated governmental requirements (for example, federal, provincial, territorial, and municipal requirements) | Triggered by major modification or new/updated governmental requirements. | high |
| #Q017 | administrative | operational | mandatory | Establishment of Action Levels | wastewater, other | The applicant or licensee shall develop and set appropriate action levels, as control measures, on the operational parameters of the nuclear facility or activity. | | high |
| #Q018 | administrative | operational | mandatory | Action Levels for Contaminants and Physical Stressors | wastewater, other | For contaminants and physical stressors released to the environment, the licensee shall establish and implement action levels in accordance with CSA N288.8, Establishing and implementing action levels for releases to the environment from nuclear facilities [7]. | | high |
| #Q019 | administrative | operational | mandatory | Action Levels for Other Environmental Controls | wastewater, other | The applicant or licensee shall establish and implement action levels on other environmental controls that are necessary to ensure the effectiveness of the environmental protection program and control measures. | | high |
| #Q020 | reporting | reporting | mandatory | Submission of Action Level Documentation | wastewater, other | The applicant or licensee shall: document the development of the action levels in accordance with CSA N288.8, Establishing and implementing action levels for releases to the environment from nuclear facilities [7]; submit this documentation and the proposed action levels to the CNSC | | high |
| #Q021 | reporting | reporting | mandatory | Submission of Changes to Action Levels | wastewater, other | The licensee shall submit any changes to the action levels and to the supporting documentation to the CNSC. | When action levels change over time to reflect actual operating conditions. | high |
| #Q022 | corrective_action | operational | mandatory | Response to Action Level Exceedances | wastewater, other | When an action level is exceeded, the licensee shall: notify and report to the Commission as specified in the licence or licence conditions handbook; conduct an investigation to identify the basis for exceeding the action level; where necessary, take action to restore the effectiveness of the program or control measures that have been implemented | When an action level is exceeded. | high |
| #Q023 | reporting | reporting | mandatory | Submission of Commissioning Plan | wastewater, other | For any facility or activity that has a new treatment system to be commissioned, or a major modification to an existing treatment system, the licensee shall submit a commissioning plan to the CNSC. | For any facility/activity with a new treatment system or a major modification to an existing one. | high |
| #Q024 | operational | operational | mandatory | Commissioning Execution | wastewater, other | The licensee shall commission the treatment system and control measures in accordance with the approved commissioning plan. | | high |
| #Q025 | reporting | reporting | mandatory | Commissioning Report Submission | wastewater, other | After the treatment system is commissioned, the licensee shall submit a commissioning report that: includes an assessment of the operating performance of the treatment system against the licensed release limits and MPDRCs to ensure the operating performance is within the licensed release limits; confirms whether the proposed action levels remain appropriate | After the treatment system is commissioned. | high |
| #Q026 | corrective_action | treatment | mandatory | Response to Unmet Licensed Release Limit Discovery | wastewater, other | If the licensee discovers that a specific licensed release limit on releases to the environment cannot be met, the licensee shall: notify the Commission; determine the nature of the unexpected performance or behaviour; assess if the licensed release limit can be met through further optimization, or through application of additional mitigation measures or techniques to bring releases to levels below the licensed release limit | If during commissioning it is discovered that a specific licensed release limit cannot be met. | high |
| #Q027 | corrective_action | operational | mandatory | Response to Persistent System Underperformance | wastewater, other | If the licensee determines that the treatment system performance is unable to meet a specific licensed release limit, the licensee shall: establish a revised release limit based on achievable technology; reassess the ERA to determine whether the predictions of the ERA remain valid; if the reassessment of the ERA: identifies an unreasonable risk to human health or the environment, then the licensee shall implement additional optimization, mitigation measures or techniques and repeat the three bullets above; determines there is no unreasonable risk to human health or to the environment; in this case, the licensee shall: request that the CNSC amend the licensing basis; submit the revised ERA and proposed release limits | If the licensee determines that the treatment system performance is unable to meet a specific licensed release limit. | high |
| #Q028 | corrective_action | operational | mandatory | Adaptive Management Implementation | wastewater, other | When a requirement for adaptive management is identified, the licensee shall: notify the Commission; develop, document, and implement an adaptive management plan to: reduce releases of the identified contaminants and physical stressors to the environment, mitigate any potential effects on the environment; provide periodic updates as needed to reflect the current operation | When a requirement for adaptive management is identified. | high |
| #Q029 | reporting | reporting | mandatory | Periodic Updates During Adaptive Management | wastewater, other | During this interim period, at a frequency specified by the CNSC, the periodic updates shall include: a summary of the technology and techniques being applied and their performance in reducing the contaminants and physical stressors; for each contaminant and physical stressor: an assessment of the historic and current effluent and/or emission performance data, an assessment of the predicted future trends in effluent and/or emission performance; an update summarizing the potential and residual risks to the environment; the status of implementation of the long-term adaptive management plan | During the interim period from when adaptive management is triggered through to completion of commissioning. | high |
| #Q030 | monitoring | operational | mandatory | Daily Water Taking Data Collection | other | Every holder of a permit, other than a related transferor, shall collect and record data on the volume of water taken daily. | Applicable to all permit holders except related transferors. | high |
| #Q031 | reporting | reporting | mandatory | Annual Water Taking Data Submission | other | On or before March 31 in every year, every person to whom subsection (1) applies shall submit to a Director, in the form and manner approved by the Director, the data collected and recorded under subsection (1) for the previous year. | Annual requirement for permit holders required to collect daily data. | high |
| #Q032 | operational | operational | mandatory | Operational Conditions for Dewatering Exemption | other | Subsection 34 (1) of the Act does not apply to a person who takes water by means of a pump for the purpose of diverting water to create and maintain a dewatered work area... if the following conditions are satisfied: 1. The water taken from the water body is returned directly to the same water body. 2. There is no visible petroleum hydrocarbon film or sheen present in the returned water. 3. Measures are implemented to control the rate of the water taking and the flow rate of the returned water in order to ensure that water quantity and quality are not affected upstream or downstream of the work area. 4. Erosion and sediment control measures are used for discharge of the water, including discharge related to the return of the water to the water body. 5. All erosion and sediment control measures referred to in paragraph 4 are used, operated and maintained in accordance with recommendations provided by the manufacturers of the control measures. 6. All erosion and sediment control measures referred to in paragraph 4 and all materials collected or trapped by those measures are recovered and disposed of when the water is no longer being taken. | Required for exemption from Section 34(1) of the Act during dewatering projects. | high |
| #Q033 | administrative | reporting | mandatory | Applicant Consultation and Information Duties | other | The Director may require the applicant to, (a) notify or consult with other persons who have an interest in the proposed water taking... (b) provide the Director with information on the interests of and responses of the persons notified or consulted under clause (a); (c) provide the Director with information on the efforts that the applicant has made to resolve any concerns raised by the persons notified or consulted under clause (a); and (d) provide the Director with such other information as the Director specifies. | Applies when specifically required by the Director during the application process. | high |
| #Q034 | administrative | operational | mandatory | Director Consideration of Ecosystem and Availability Factors | drinking water, agricultural water, aquatic life, recreational water, other | The Director shall consider the following matters, to the extent that information is available to the Director, and to the extent that the matters are relevant to the water taking or proposed taking in the particular case: | When the Director is considering an application, or whether to revoke, renew or amend a permit (subject to specific exceptions in Section 4(1)). | high |
| #Q035 | reporting | reporting | mandatory | Environmental Registry Notice for Stressed Sources | other | Where the Director determines, having regard to all the information available to the Director, that one or more ground or surface sources of supply are under stress, in whole or in part, the Director shall post an information notice to that effect on the environmental registry pursuant to section 6 of the Environmental Bill of Rights, delineating the geographic area where the source or sources of supply are under stress and providing a summary of the information and analysis the Director relied on in making the determination. | Upon determination by the Director that a source of supply is under stress. | high |
| #Q036 | administrative | reporting | mandatory | Mandatory Notification to Municipalities and Conservation Authorities | other | Subject to subsection (2), a Director who is considering an application shall give the following persons notice of the application: 1. The upper-tier and lower-tier municipalities or the single-tier municipality, as the case may be, within whose area of jurisdiction the proposed water taking is located. 2. Any conservation authority within whose area of jurisdiction the proposed water taking is located. | Standard procedure for Directors considering applications, subject to exceptions in Section 7(2). | high |
| #Q037 | monitoring | operational | mandatory | Water Taking Measurement Methodology | other | The data collected under subsection (1) shall be measured by a flow meter or calculated using a method acceptable to a Director. | Applies to the daily volume data collection required by Section 9(1). | high |
| #Q038 | design | operational | mandatory | Inclusion of Specifically Directed Terms and Conditions | other | If, under subsection 34.7 (3) of the Act, the Director directs a term or condition described in subsection 34.7 (2) of the Act to a particular holder of a permit who is or will be taking water under the permit or who is or will be a related transferor with respect to the permit or to any two or more of them, the term or condition must be included in the part or parts of the permit or any schedule or schedules to the permit that are applicable to the holder or holders to whom the term or condition is directed. | Applies when the Director issues specifically directed terms/conditions under Section 34.7(3) of the Act. | high |
| #Q039 | administrative | operational | mandatory | Duty to Prepare and Consult on Stressed Source Strategy | other | In every case where the Director has published an information notice under subsection (5), the Director shall proceed to prepare and consult on the strategy mentioned in subsection (6). | Triggered when a source of supply is determined to be under stress. | high |
| #Q040 | administrative | operational | mandatory | Finalization and Regard for Stressed Source Strategy | other | After consulting on the strategy mentioned in subsection (6), the Director shall proceed to finalize the strategy and shall have regard to it to the extent that it is relevant when considering a matter to which this section applies. | Applies after consultation on a stressed source strategy is complete. | high |
| #Q041 | reporting | reporting | mandatory | Mandatory Notice and Comment for Great Lakes Agreement | other | Before a decision is made on the application, the Director shall ensure that the prior notice and opportunity to comment on the proposal is provided in accordance with Article 205 of the Agreement. | Applies to applications triggering Ontario's obligations under Article 205 of the Great Lakes-St. Lawrence River Basin Sustainable Water Resources Agreement. | high |
| #Q042 | administrative | operational | mandatory | Permit Amendment Following Deemed Transfer Determination | other | After determining the amount of water that is currently deemed to be transferred for the purpose of section 34.8 of the Act, the Director shall amend the permit or issue a new permit to (a) specify the amount... (b) designate... a part of or schedule to the permit that will apply to the person... and (c) ...specify all other permits in respect of which the holder makes transfers. | Applies following a determination of water currently deemed transferred under section 34.8 of the Act. | high |
| #Q043 | reporting | reporting | mandatory | Notification of Supply after Construction | drinking water | Before supplying water to users of the system following the construction, installation, alteration or extension of a small drinking water system the owner shall notify, in writing, the medical officer of health | Following construction, installation, alteration, or extension of the system | high |
| #Q044 | administrative | operational | mandatory | Written Permission to Supply Water | drinking water | An owner who proposes to supply water to users of a small drinking water system to which subsection (1) applies shall not do so without first obtaining permission in writing from the medical officer of health | Prior to initial supply after construction/alteration | high |
| #Q045 | operational | operational | mandatory | Designation of Operator | drinking water | Every owner shall, (a) designate an operator who will have primary responsibility in regard to fulfilling any of the operator’s duties under this Regulation relating to requirements for sampling, testing and receipt; (b) notify the medical officer of health... of the name and address of the operator | | high |
| #Q046 | operational | operational | mandatory | Safe and Sanitary Condition Maintenance | drinking water | Every owner and every operator shall, (a) maintain the small drinking water system and its equipment in a safe and sanitary condition | | high |
| #Q047 | operational | operational | mandatory | Operator Training | drinking water | Every owner of a small drinking water system shall ensure that every operator of the system is trained in drinking water system operation and maintenance and all relevant safety and emergency procedures. | | high |
| #Q048 | reporting | reporting | mandatory | Immediate Reporting of Adverse Observations | drinking water | The operator of a small drinking water system shall report every adverse observation and every adverse test result that is obtained on a drinking water test conducted on any waters from a small drinking water system to the medical officer of health... immediately after the adverse test result is obtained or the observation occurs. | | high |
| #Q049 | administrative | reporting | mandatory | Record Retention (Five Years) | drinking water | The owner and operator of a small drinking water system shall ensure that the following documents and other records are kept for at least five years: 1. Every record or report related to a test required under this Regulation. 2. Every record or report related to a test required under the Act or another regulation made under the Act. | | high |
| #Q050 | administrative | reporting | mandatory | Public Information Availability | drinking water | The owner and operator of a small drinking water system shall ensure that the following information is available for inspection... by any member of the public during normal business hours without charge: 1. test results... 3. copy of every directive and permission... 4. copy of this Regulation. | | high |
| #Q051 | operational | operational | mandatory | Well Maintenance | drinking water | The owner and operator of a small drinking water system shall ensure that, where the system includes a well and where the drinking water system provides drinking water that is not treated, that the well is constructed and maintained to prevent surface water and other foreign materials from entering the well. | Applicable where the system includes an untreated well source. | high |
| #Q052 | operational | treatment | mandatory | Treatment Equipment Operation Standards | drinking water | Where a small drinking water system provides treatment... the owner and operator... shall ensure the following: 1. equipment is in operation whenever water is supplied... 2. operated per manufacturer instructions... 4. secondary disinfection residuals are maintained... 6. written operating instructions kept near equipment... 9. maintenance records created and kept for five years. | Applicable where treatment is provided or required by directive. | high |
| #Q053 | monitoring | operational | mandatory | Microbiological Distribution Sampling Frequency | drinking water | The owner of a small drinking water system and the operator of the system shall ensure that at least one distribution sample is taken every three months... [and] tested for: (a) Escherichia coli; and (b) total coliforms. | | high |
| #Q054 | corrective_action | health | mandatory | Corrective Action: Improper Disinfection | drinking water | If a report is required... in regard to an adverse observation in respect of water that has not been properly disinfected, the owner and operator... shall: 1. Immediately restore disinfection. 2. Immediately notify users to use alternate source or boil water. 3. Immediately notify the MOH. | Triggered by adverse observation of improper disinfection. | high |
| #Q055 | monitoring | health | mandatory | Pre-Supply Testing After Shutdown | drinking water | Every owner and every operator of a small drinking water system who intends to begin to supply water to the users of the system after any period of more than 60 days duration during which the system has not been supplying water to users shall ensure that, (a) a water sample is taken and tested for Escherichia coli and total coliforms; (b) they are in receipt of the results of the water sample tests; and (c) the medical officer of health... is notified in writing. | After a period of more than 60 days without supplying water. | high |
| #Q056 | administrative | operational | mandatory | Use of Licensed Testing Facilities | drinking water | No owner or operator of a small drinking water system or public health inspector acting under this Regulation shall obtain a drinking water testing service from a person who is not licensed or otherwise authorized under the Safe Drinking Water Act, 2002 to offer or provide the service unless the laboratory at which the testing is to be conducted is located outside Ontario and is an eligible laboratory. | | high |
| #Q057 | reporting | reporting | mandatory | Written Notice of Adverse Result | drinking water | A person who is required to make a report under subsection (1) shall also give the medical officer of health of the health unit in which the drinking water system is located a written notice within 24 hours after the immediate report is given. | Following an immediate verbal report of an adverse test result or observation. | high |
| #Q058 | reporting | reporting | mandatory | Resolution Report Submission | drinking water | If an immediate report or a written notice is given under this section and the issue that gave rise to the notice is resolved, the operator of the small drinking water system shall, within seven days after the issue is resolved, give a written notice summarizing the action taken and the results achieved to the medical officer of health. | After resolution of an adverse event. | high |
| #Q059 | operational | treatment | mandatory | UV Sensor Check and Calibration | drinking water | If a small drinking water system provides primary disinfection with ultraviolet light disinfection equipment and not with chlorination or chloramination, the owner and operator of the system shall ensure that any sensors that form part of the equipment’s monitoring system are checked and calibrated in accordance with the manufacturer’s instructions. | Applicable to systems using UV light for primary disinfection. | high |
| #Q060 | treatment | health | mandatory | Surface Water Treatment Standards | drinking water | The owner and operator of a small drinking water system that obtains water from a raw water supply that is surface water shall ensure provision of, (a) water treatment equipment that is designed to be capable of achieving, at all times, primary disinfection including at least 99 per cent removal or inactivation of Cryptosporidium oocysts, at least 99.9 per cent removal or inactivation of Giardia cysts and at least 99.99 per cent removal or inactivation of viruses. | Systems using surface water sources. | high |
| #Q061 | monitoring | operational | mandatory | Paired Microbiological and Chlorine Testing | drinking water | Unless a public health inspector provides otherwise, where a water sample is required to be taken under this Regulation and tested for a microbiological parameter, the owner and operator... shall ensure that another sample is taken at the same time from the same location and is tested immediately for... free chlorine residual [or] combined chlorine residual. | Triggered by microbiological sampling. | high |
| #Q062 | monitoring | operational | mandatory | Grab Sample Requirement | drinking water | A person who is required to ensure that samples are taken under this Regulation shall ensure that they are taken in the form of grab samples, unless continuous monitoring equipment is either authorized under this Regulation or is required by a public health inspector. | | high |
| #Q063 | administrative | reporting | mandatory | Sample Record Details | drinking water | The owner and operator of a small drinking water system shall ensure that, for every sample required by this Regulation, a record is made of the date and time the sample was taken, the location where the sample was taken, the name of the person who took the sample and the result of the drinking water test conducted on the sample. | | high |
| #Q064 | corrective_action | health | mandatory | Corrective Action: Escherichia coli (E. coli) | drinking water | If a report is required to be made under section 9 in respect of Escherichia coli (E. coli) or any pathogen the owner and operator of the small drinking water system shall ensure that the following corrective action is taken: 1. Immediately take all reasonable steps to notify all users... 2. Immediately resample and test. 3. If the drinking water system uses chlorine, immediately increase the chlorine dose and flush the distribution system. | Detection of E. coli or pathogens. | high |
| #Q065 | administrative | unknown | mandatory | Jurisdictional Authorization Requirement | wastewater, other | Authorization to release must be received from all applicable jurisdictions prior to any releases. | Prior to any releases of nuclear or hazardous substances. | high |
| #Q066 | design | unknown | mandatory | Release Limit Legislative Compliance | wastewater, other | The site-specific proposed release limit(s): shall be at or below any applicable release limits found in existing legislation. | When establishing proposed release limits. | high |
| #Q067 | monitoring | health | mandatory | Annual Dose Limit Demonstration | other | If a licensed release limit is not required, the licensee or applicant: is still required to demonstrate annually (through monitoring or modelling) that the total effective annual dose does not exceed the regulatory public dose limit of 1 mSv | Applicable when a licensed release limit is not required. | high |
| #Q068 | reporting | reporting | recommended | Notification of External Limit Changes | wastewater, other | CNSC staff should be notified of any such changes ahead of issuance, in order to review the proposed changes, and update the licence conditions handbook. | Applicable when licensed release limits are harmonized with other government requirements that are being updated. | high |
| #Q069 | administrative | operational | mandatory | Application of Framework for Radionuclide Exceedance | other | for any radionuclide where the proposed maximum release exceeds the CCLs (generic or practice-specific), the balance of information in this document shall be applied | For radionuclides where proposed maximum release associated with the design exceeds applicable CCLs. | high |
| #Q070 | administrative | operational | mandatory | Application of Framework for Hazardous Substance Exceedance | wastewater, other | where any proposed maximum release exceeds the environmental quality guidelines, the balance of information in this document shall be applied | For hazardous substances where proposed maximum release associated with the design exceeds environmental quality guidelines. | high |