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Document ID ca-nlsdc-2019-07-31 Title Noxious Liquid Substances and Dangerous Chemicals URL https://tc.canada.ca/en/marine-transportation/marine-safety/noxious-liquid-substances-dangerous-chemicals Jurisdiction /ca Subdomain(s) none Language Status completed Analyzed at 2026-05-12 03:39:16.887315+00:00 Relevance inventory_targeted_fetch

Q Qualitative Requirements (20)

Req ID Category Intent Legal Status Name Subdomain(s) Context Conditions Confidence
#Q001administrativeoperationalguidanceEmergency Plan IntegrationotherShips may integrate their shipboard oil pollution emergency plan with the shipboard marine pollution emergency plan for noxious liquid substances.high
#Q002prohibitiontreatmentmandatoryProhibition on Diluting EffluentwastewaterThe owner or operator of a mine shall not combine effluent with water or any other effluent for the purpose of diluting effluent before it is deposited.high
#Q003monitoringoperationalmandatoryEnvironmental Effects Monitoring Studieswastewater, aquatic lifeThe owner or operator of a mine shall conduct environmental effects monitoring studies in accordance with the requirements and within the periods set out in Schedule 5.high
#Q004monitoringreportingmandatoryWeekly Effluent MonitoringwastewaterThe owner or operator of a mine shall, not less than once per week and at least 24 hours apart, collect from each final discharge point (a) a grab sample or composite sample of effluent and record the pH of the sample at the time of its collection and record, without delay after collecting the sample, the concentrations of the deleterious substances prescribed in section 3 except un-ionized ammonia; and (b) a grab sample of effluent and record the temperature and the pH of the sample at the time of its collection and record, without delay after collecting the sample, the concentrations of total ammonia expressed as nitrogen (N).high
#Q005reportingreportingmandatoryQuarterly Effluent Monitoring ReportwastewaterThe owner or operator of a mine shall submit to the Minister of the Environment an effluent monitoring report for all tests and monitoring conducted during each calendar quarter not later than 45 days after the end of the quarter.high
#Q006operationaloperationalmandatoryEmergency Response Plan Preparationwastewater, aquatic lifeThe owner or operator of a mine shall prepare an emergency response plan that describes the measures to be taken in respect of a deleterious substance within the meaning of subsection 34(1) of the Act to prevent any unauthorized deposit of such a substance or to mitigate the effects of such a deposit.high
#Q007administrativeoperationalmandatoryTailings Impoundment Compensation Planaquatic lifeThe owner or operator of a mine shall, before depositing a deleterious substance into a tailings impoundment area that is set out in Schedule 2, submit to the Minister of the Environment a compensation plan that includes the information described in subsection (2) and obtain that Minister’s approval of the plan.Applies before depositing prescribed deleterious substances into Schedule 2 areashigh
#Q008administrativereportingmandatoryIdentifying Information SubmissionotherThe owner or operator of a mine shall submit in writing to the Minister of the Environment the information referred to in subsection (2) not later than 60 days after the day on which any of the following occur: (a) the mine becomes subject to these Regulations; (b) ownership of the mine is transferred; and (c) the mine returns to commercial operation after it has become a recognized closed mine.Mine becomes subject to regulations, ownership transfer, or return to commercial operationhigh
#Q009administrativereportingmandatoryIdentifying Final Discharge PointswastewaterThe owner or operator of a mine shall identify each final discharge point and submit in writing to the Minister of the Environment, not later than 60 days after the day on which the mine becomes subject to these Regulations, the following information: (a) plans, specifications and a general description of each final discharge point together with its location by latitude and longitude; (b) a description of how each final discharge point is designed and maintained in respect of the deposit of deleterious substances; and (c) the name of the receiving body of water, if there is a name.Within 60 days of becoming subject to regulationshigh
#Q010monitoringoperationalmandatoryMonthly Acute Lethality Testingwastewater, aquatic lifeSubject to section 15, the owner or operator of a mine shall collect, once a month, a grab sample of effluent from each final discharge point and determine whether the effluent is acutely lethal by conducting acute lethality tests on aliquots of each effluent sample in accordance with sections 14.1 to 14.4.Monthly testing unless frequency is reduced or increased under sections 15 or 16high
#Q011reportingreportingmandatoryAnnual Monitoring Report SubmissionwastewaterThe owner or operator of a mine shall submit to the Minister of the Environment, not later than March 31 in each year, a report that shall include (a) the identifying information set out in Part 1 of Schedule 6; (b) the effluent monitoring results for the previous calendar year for each final discharge point... and (c) the following information regarding non-compliance...Due annually by March 31sthigh
#Q012reportingreportingmandatoryNotification of Limit ExceedancewastewaterThe owner or operator of a mine shall notify an inspector without delay if the results of the effluent monitoring tests conducted under section 12 or 13, subsection 14(1) or section 15 or 16 indicate that (a) the limits set out in Schedule 4 are being or have been exceeded; (b) the pH of the effluent is less than 6.0 or greater than 9.5; or (c) an effluent is acutely lethal.Upon detection of exceedance or acute lethalityhigh
#Q013administrativereportingmandatoryRecord Keeping DurationwastewaterThe owner or operator of a mine shall keep all records, books of account or other documents required by these Regulations at the mine for a period of not less than five years, beginning on the day on which they are madehigh
#Q014administrativereportingmandatoryMine Closure Procedural RequirementsotherAn owner or operator who intends to close a mine shall (a) provide written notice of that intention to the Minister of the Environment; (b) maintain the mine’s rate of production at less than 10% of its design-rated capacity for a continuous period of three years starting on the day on which the written notice is received by the Minister of the Environment; and (c) conduct a biological monitoring study during the three-year period referred to in paragraph (b) in accordance with Division 3 of Part 2 of Schedule 5.Applies when an owner or operator intends to close a minehigh
#Q015operationaloperationalmandatoryMonitoring System Accuracy and MaintenancewastewaterThe owner or operator shall (a) measure the flow rate or volume of effluent deposited by using a monitoring system that is accurate to within 15% of measured flow rate or volume; and (b) maintain and calibrate the monitoring system at least once in each year and record the results, as well as the date on which and the manner in which the requirement to maintain and calibrate has been met.high
#Q016reportingreportingmandatoryUnauthorized Deposit Report Contentwastewater, aquatic lifeA report required by subsection 38(7) of the Act in respect of the unauthorized deposit of a deleterious substance shall contain the following information: (a) the name, description and concentration of the deleterious substance deposited; (b) the estimated quantity of the deposit and how the estimate was achieved; (c) the day on which, and hour at which, the deposit occurred; (d) the quantity of the deleterious substance that was deposited at a place other than through a final discharge point and the identification of that place, including the location by latitude and longitude and, if applicable, the civic address; (e) the quantity of the deleterious substance that was deposited through a final discharge point and the identification of that discharge point; (f) the name of the receiving body of water, if there is a name, and the location by latitude and longitude where the deleterious substance entered the receiving body of water; (g) the results of the acute lethality tests conducted under subsection 31.1(1) or a statement indicating that acute lethality tests were not conducted but that notification was given under subsection 31.1(2); (h) the circumstances of the deposit, the measures that were taken to mitigate the effects of the deposit and, if the emergency response plan was implemented, details concerning its implementation; and (i) the measures that were taken, or that are intended to be taken, to prevent any similar occurrence of an unauthorized deposit.Applies following an unauthorized deposit of a deleterious substancehigh
#Q017administrativereportingmandatoryProposed Change to Final Discharge Point NotificationwastewaterThe owner or operator shall submit in writing to the Minister of the Environment the information on any proposed change to a final discharge point at least 60 days before the change is to be made.high
#Q018monitoringreportingmandatoryRecording Acute Lethality Test Datawastewater, aquatic lifeThe owner or operator of a mine shall record without delay the data referred to in section 9.1 of Reference Method EPS 1/RM/10, section 8.1 of Reference Method EPS 1/RM/13, section 8.1 of Reference Method EPS 1/RM/14 and section 9.1 of Reference Method STB 1/RM/60 for each acute lethality test.high
#Q019operationaloperationalmandatoryDischarge Provisions Complianceaquatic life, otherThese regulations apply the Annex II discharge provisions in Canadian coastal waters; however, stricter discharge provisions are applied in Canadian internal waters.Applies to ships in Canadian coastal and internal watershigh
#Q020designoperationalmandatoryIBC or BCH Code ComplianceotherThe regulations also incorporate the provisions of the IBC Code or the BCH Code for those ships that carry dangerous chemicals that are not necessarily noxious liquid substances.Applies to ships carrying dangerous chemicals that are not necessarily noxious liquid substanceshigh

P Quantitative Requirements (13)

Req ID Category Intent Legal Status Name Subdomain(s) Limit Type Limit Value Context Conditions Confidence
#R001physicaloperationalmandatorypH Rangewastewaterrequirement6.0 - 9.5 pHpH of the liquid effluent or once-through cooling water for authorized depositApplies to owners depositing deleterious substances prescribed in paragraph 4(f)high
#R002operationalreportingmandatoryReference Crude Rate Revision Thresholdwastewaterrequirement< 85 percentArithmetic mean of stream day crude rates during any two consecutive months compared to last declared reference crude rateExcluding days when crude rates have been reduced due to refinery maintenancehigh
#R003operationaloperationalmandatoryStorm Water Authorized Deposit Increment Basiswastewaterrequirement10000 Canadian gallonsVolume basis for increasing authorized deposit of oil and grease, phenols, or total suspended matterWhen storm water is deposited by a refinery in any dayhigh
#R004operationalreportingmandatoryMonthly Reporting Deadlinewastewaterrequirement30 daysTimeframe for forwarding the monthly deposit report to the MinisterAfter the end of the month in which a deposit is madehigh
#R005operationaloperationalmandatoryRevision Sustained Operation Period (Voluntary)wastewaterrequirement>= 7 consecutive daysPeriod used to calculate revised reference crude rate under subsection (3)Arithmetic mean of stream day crude rates sustained in commercial operationhigh
#R006operationaloperationalmandatoryRevision Sustained Operation Period (Mandatory)wastewaterrequirement>= 14 consecutive daysPeriod used to calculate revised reference crude rate under subsection (4)Arithmetic mean of stream day crude rates sustained in commercial operationhigh
#R007operationaloperationalmandatoryApplication Date Thresholdwastewaterrequirement1973-11-01 DateDate on which a refinery must have commenced processing crude oil to be subject to these regulationsApplies to every refinery that has not commenced processing prior to this date and commences on or after ithigh
#R008operationaloperationalmandatoryDefinition of Dayotherrequirement24 consecutive hoursDefinition of the term 'day' for calculation purposeshigh
#R009operationalreportingmandatoryActual Deposit Determination Deadlinewastewaterrequirement30 daysTimeframe to determine the actual deposit of substances after the end of the monthWhen the owner of a refinery deposits a deleterious substance prescribed in paragraph 4(a), (b), (c), (d) or (e)high
#R010operationaloperationalmandatoryReference Crude Rate Calculation Divisorwastewaterrequirement1000 divisorThe value by which the maximum design stream day crude rate is divided to obtain the reference crude ratehigh
#R011operationaloperationalmandatoryDaily Deposit Exceedance Frequencywastewaterrequirement<= 1 day per monthFrequency of days in a month where the actual deposit may exceed the authorized deposit calculated under subsection 8(1)Applies to deleterious substances prescribed in paragraph 4(a), (b), (c), (d) or (e)high
#R012operationalreportingmandatoryMandatory Revision Evaluation Periodwastewaterrequirement2 consecutive monthsThe period over which the arithmetic mean of stream day crude rates is evaluated for mandatory revision of the reference crude rateWhen the mean divided by 1,000 is less than 85 per cent of the last declared ratehigh
#R013operationaloperationalmandatorypH Monitoring Frequencywastewaterrequirement1 time per dayMonitoring frequency for substances capable of altering pHDuring any month in which a deposit is made or when requested by the Ministerhigh

D Definitions (0)

No definitions.