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Determining factors that impact indoor and outdoor air quality, including mould, radon, VOCs, and criteria air contaminants.



Radon is a colourless, odourless gas released from the degradation of uranium naturally present in rock and soil. Radon levels outdoors are generally low; however, radon can enter buildings and homes through cracks and openings in the foundation and can accumulate at much higher concentrations indoors, especially in basements and lower floors. Over 3,200 Canadians are estimated to die each year...

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Carbon Monoxide in Long-Term Care Facilities

Carbon monoxide (CO) is an odourless, colourless, and non-irritating gas that is harmful to humans. As a by-product of incomplete combustion, CO is produced by fuel-burning appliances including boilers, furnaces, fireplaces, kitchen stoves, and laundry dryers. Cigarette smoke and vehicle exhaust also contribute to indoor CO levels. At low levels of exposure, symptoms can include headache, nausea...

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Topics: Air, Indoor Air 

Mould is a ubiquitous fungus in outdoor environments that inevitably makes its way indoors. The general population is commonly exposed to mould through inhalation, and less commonly through direct contact, with no adverse effects. However, individuals with asthma or other underlying respiratory ailments may show sensitivity to mould or its cellular components that may trigger respiratory tract...

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NCCEH Mould Investigation Toolkit

Public Health Inspectors (PHIs) and Environmental Health Officers (EHOs) across Canada have different responsibilities, policies, and guidelines when it comes to investigating public inquiries about mould in indoor environments. Some PHIs/EHOs conduct initial walkthroughs only, some conduct comprehensive investigations, and others educate the public about next steps without conducting any field...

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Exposure to Traffic-Related Air Pollution and Perinatal Health (UBC Bridge Program)

The period between conception and early childhood when vital organs are forming and rapidly developing is the most vulnerable of life stages to the effects of toxic environment exposures, including traffic-related air pollution (TRAP). Epidemiologic studies on preterm birth have consistently shown elevated risks with a number of measures of TRAP, including distance of residence from traffic...

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Mould Assessment Recommendations - revised

Excessive dampness and mould growth on building material surfaces and contents can pose health risks and should not be tolerated in indoor environments. A mould assessment determines if mould is present, but does not determine or estimate mould exposure. Health-based exposure limits for indoor mould in residential environments have not been established; inspecting for visible and hidden mould,...

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Mould Remediation Recommendations - revised

Excessive dampness and mould growth on building material surfaces and contents can pose health risks and should not be tolerated in indoor environments. The main goal of remediation is to reduce the risk of exposure to mould and to prevent structural damage; the underlying cause of dampness must be identified and eliminated or mould will reappear. Effective mould remediation requires the ...

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Reducing cardiovascular health impacts from traffic-related noise and air pollution: intervention strategies

Recent studies suggest that exposure to both traffic-related air pollution (TrAP) and to road traffic noise (RTN) are independent risk factors for cardiovascular disease (CVD). While the exact pathophysiologic mechanisms are not known, plausible biological models exist for both associations. This paper describes interventions and mitigating measures aimed at reducing both air and noise pollution...

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Health Effects from Mould Exposure in Indoor Environments - revised

Moulds are naturally occurring and widespread in the environment; therefore, it is not possible to eliminate exposure. Sufficient evidence exists to conclude that exposure to mould in indoor environments is associated with asthma and asthma-like symptoms (in asthmatic people), upper respiratory tract symptoms, cough and wheeze, and hypersensitivity pneumonitis in susceptible people. There is...

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Residential Use of Wood-Burning Appliances in Canada

This report summarizes information on woodsmoke emissions and health effects associated with woodsmoke exposures from residential wood-burning (RWB) in Canada and provides a qualitative indication of the potential effectiveness of different intervention strategies based on a review of the available literature and interviews with Canadian health authorities. The purpose of this report is to...

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Introduction to air quality advisories

Air quality advisories are a mechanism by which provincial and regional governments actively provide the public with information on hourly or daily periods of poor outdoor air quality. Advisories are issued for specific geographical locations when one or more pollutants approach or exceed (or are forecasted to approach/exceed) a relevant air quality trigger. Advisories inform the public about...

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Effective Interventions to Reduce Indoor Radon Levels

Radon represents one of the environmental exposures that can be reduced with effective and practical solutions, reducing an individual’s risk of developing lung cancer. There is extensive literature supporting the cost-effectiveness of radon abatement compared with other healthcare and environmental interventions. Of the remediation measures evaluated to reduce indoor radon levels in already...

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Residential Indoor Radon Testing

Radon is a known carcinogen, and is estimated to cause up to 10% of all lung cancers in Canada. It is a radioactive gas that is produced by the decay of uranium. Radon is naturally occurring, and emanates from soil and rocks. It percolates up through soil into buildings, and if it is not evacuated there can be much higher exposure levels indoors than outdoors. Fortunately, high radon levels can...

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Evaluating the Carbon Monoxide Monitoring and Response Framework in Long-term Care Facilities: A Brief Guide

This guide is intended for public health practitioners, facility/property maintenance managers, risk managers, occupational hygienists, clinicians, or other persons working at long-term care facilities (residential care facilities, nursing homes, seniors’ residences, care occupancies, etc.) when they: have implemented a carbon monoxide (CO) policy in long-term care facilities (LTCFs) consistent...

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Guide for Implementing the Carbon Monoxide Monitoring and Response Framework in Long-term Care Facilities

This guide is intended for public health practitioners, facility/property maintenance managers, risk managers, occupational hygienists, clinicians, or other persons working at long-term care facilities (residential care facilities, nursing homes, seniors’ residences, care occupancies, etc.) who would like to implement a program to reduce the risk of indoor carbon monoxide (CO) exposure to...

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Case Study of a Persistent Landfill Fire and Community Health Impacts

This case study explores the issue of health impacts in the community from persistent landfill fires and covers a number of topics including: outdoor air pollution; waste management; health equity; health surveillance; environmental surveillance; and occupational health. Although written from a broad public health and medical health officers’ point of view, this case study may be helpful to...

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Effective Indoor Air Interventions

Canadians typically spend about 90% of their time indoors. Poor indoor air quality (IAQ) resulting from biological and chemical exposures is associated with the development of acute and chronic cardio-respiratory disease. Biological agents commonly found in indoor environments include mould, house dust mites (HDM), pests, and pet dander. Chemical agents can include environmental tobacco smoke (...

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Cardiovascular Health, Traffic-related Air Pollution and Noise: Are associations mutually confounded? A systematic review

This review assessed the confounding effect of one traffic-related exposure (noise or air pollutants) on the association between the other exposure and cardiovascular outcomes. A systematic review was conducted with the databases Medline and Embase. The confounding effects in studies were assessed by using change in the estimate with a 10 % cutoff point. The influence on the change in the...

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Forest Residues to Energy: Is this a pathway towards healthier communities? (UBC Bridge Program)

Forest residues are non-merchantable woody biomass found in forests and wood waste from logging practices and industrial operations, such as sawmills. Forest residues are a convenient fuel for open-burning and conventional biomass burning systems (e.g., fireplaces and wood stoves), but more recently have been considered as a fuel for advanced wood combustion (AWC) integrated energy systems, used...

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Air Quality Assessment Tools: A Guide for Public Health Practitioners

Several tools exist to assess local air quality, including the impact of specific sources, emissions, and meteorological conditions. Information generated from the use of air quality assessment tools can inform decisions on permitting of emissions, industrial siting, and land use; all can impact local air quality, which in turn can influence air pollution related health effects of a population....

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Air Quality and Community Health Impact of Animal Manure Management (UBC Bridge Program)

Nearly 200 million tonnes of livestock manure are generated in Canada each year.1 Manure storage and land application tends to produce odour, greenhouse gases, microbes, and particulate matter, which can negatively impact the environment and human health. Occupational exposures of manure management have been linked to psychological stress and adverse effects on the respiratory system and heart...

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Nanotechnology: A Review of Exposure, Health Risks and Recent Regulatory Developments

Nanotechnology is the creation of materials, devices, and systems by controlling matter at the nanometer scale (1-100 billionths of a meter). Potential exposures to engineered nanoparticles (ENPs) through contact with consumer products or air, water, and food sources are an emerging potential threat to human health. ENPs have unique properties and characteristics in addition to size, such as a...

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Minimizing Children’s Non-residential Exposure to Traffic-related Pollution (UBC Bridge Program)

A significant portion of children’s exposure to traffic-related pollution occurs in and around schools and daycares and in transit to these locations. New schools and daycare facilities should be located at least 150 m from major roads (15,000 or more vehicles/day) and should incorporate appropriate ventilation systems to reduce infiltration of outdoor pollutants. Interventions for existing...

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Residential Air Cleaner Use to Improve Indoor Air Quality and Health: A Review of the Evidence

Air cleaners are designed to remove pollutants from indoor air, but their effectiveness depends on the air cleaner design and set-up, as well as on the presence of specific pollutants, their concentrations, and air exchange rates in the room/home. Ozone generators and some electrostatic precipitators produce ozone at levels that pose health concerns. Little evidence is available on removal of...

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Adverse Cardiovascular Health Effects of Exposure to Short-Term Air Pollution

Based on appraisals of recent systematic reviews and patient information, this report provides an overview of: 1) evidence available to generate health protection measures; 2) health protection advice currently recommended to persons with/at risk of cardio-vascular diseases through public health, medical, patient information, environmental, and meteorological websites; and 3) a general framework...

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Are Naturally Ventilated LEED Buildings Healthier? (UBC Bridge Program)

Green building rating systems such as Leadership in Energy and Environmental Design (LEED) employ a variety of design solutions to reduce energy and minimize environmental damage. These solutions, such as the use of passive ventilation, do not necessarily lead to improvements in occupant health Passive ventilation strategies employed to reduce energy can lead to uneven airflow distribution and...

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Active Transportation in Urban Areas: Exploring Health Benefits and Risks (UBC Bridge Program)

Active transportation refers mainly to walking and cycling for transportation. Health Benefits:  People who use active transportation are, on average, more physically fit, less obese, and have a reduced risk of cardiovascular disease compared to people who use only motorized transportation. A shift from motorized transportation to active transportation has the potential for societal benefits...

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Cardiovascular Effects of Sub-daily Levels of Ambient Fine Particles

Topics: Air, Outdoor Air 

While the effects of daily fine particulate exposure (PM) have been well reviewed, the epidemiological and physiological evidence of cardiovascular effects associated to sub-daily exposures has not. We performed a theoretical model-driven systematic non-meta-analytical literature review to document the association between PM sub-daily exposures (≤6 hours) and arrhythmia, ischemia and myocardial...

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Recommendations for Safe Re-occupancy of Marijuana Grow Operations

The following guide offers a practical approach to achieving safe re-occupancy of former marijuana grow operations (MGOs) and reviews possible exposures/hazards (tables 1 and 2). It is essential to make a clear distinction between risks associated with an “active” MGO and risks associated with a “shut down” MGO. An “active” MGO is linked to criminal activity, which in itself poses safety risks,...

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Carbon Dioxide in Indoor Air

A Public Health Inspector calls about an issue flagged at an older elementary school.  As part of a teacher complaint process, the provincial health and safety agency has been conducting a workplace investigation.  Carbon dioxide (CO2) levels were measured and ranged from 412 ppm in an unoccupied classroom to 1,130 ppm in the school library and 1,660 ppm in an occupied classroom that had closed...

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Pepper Spray in the Indoor Environment and in the Vicinity of Food Products and Preparation Surfaces

Pepper spray is discharged during an attempted robbery of a jewellery store in a large urban mall.  The robbery site is located next to the mall’s food court.  For several days, mall patrons continue to report uncomfortable symptoms (e.g., burning sensation in their eyes and throat) when they enter the food court.  Public Health Inspectors (PHIs) are asked to respond to concerns about...

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Workshops Presentations

Infiltration of air pollutants and effectiveness of cleaners

L'Institut national de santé publique (INSPQ) 8e Atelier de santé environnementale

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Forest Fires: Impacts on Air Quality and Health

Canadian Institute of Public Health Inspectors (New Brunswick Branch) 2010 Annual Conference

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Indoor Air Quality Issues in First Nations and Inuit Communities in Canada

International Union for Circumpolar Health (IUCH) 14th International Congress on Circumpolar Health

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Indoor Air and Air Cleaners: An Inside Look

Public health interventions related to risks associated with exposure to local air pollution sources: control measures and health protection and public education approaches

On Shaky Ground - Evidence of Public Health Impacts from Hydraulic Fracturing

The BCCDC/NCCEH Environmental Health Seminar Series provides an opportunity for learning and knowledge exchange on a variety of environmental health topics. The seminars can be attended in-person or online. Speaker: Anne-Marie Nicol, MES, PhD, Environmental Health Scientist, NCCEH Abstract: This seminar describes the processes involved in shale gas production, including hydraulic fracturing, and...

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Housing, health and the Aboriginal Peoples of Canada

Joint NCCEH/NCCAH Workshop at Canadian Public Health Association Public Health 2015 in Vancouver Successes and challenges in mitigation of radon in urban Aboriginal housing, Prince George, BCLeo Hebert, Executive Director, Prince George Métis Housing Society Insights into on-reserve housingLinda Pillsworth, Manager, Environmental Health Services, First Nations Health Authority Mould...

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An Introduction to Tools Used in Air Quality Assessment

Topics: Air, Outdoor Air BC, Canada 

In March 2011, the British Columbia Lung Association held its 8th Annual Air Quality & Health Workshop in Vancouver. As a pre-meeting event, the NCCEH, in combination with the BC Centre for Disease Control (BCCDC) and the BC Lung Association, organized an air quality training workshop. Workshop Objective The objective of this training workshop was to increase the understanding and...

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Health Promotion in the Context of Health Protection

Housing and Health: How can Community Health Nurses intervene?

Presentation: Housing and HealthTom Kosatsky, NCCEHMona Shum, NCCEH

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Carbon Monoxide Monitoring in Long Term Care Facilities and Hospitals

Saskatoon 2013  Presentations: Carbon monoxide exposures in long-term care facilities and hospitals: Developing a monitoring frameworkPrabjit Barn & Tom Kosatsky, BCCDC/NCCEH Modeling of the Kinetics of Carbon Monoxide for Long Term Care Facilities and HospitalsNathalie Gosselin, Pharsight Consulting ServicesMichele Bouchard, University of Montreal CO Exposure – St. Mary’s Villa, December 26...

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Evaluating a Novel Carbon Monoxide Monitoring Framework in Long-Term Care Facilities

The Ontario Public Health Convention (TOPHC) 2016 This poster highlights the findings from our evaluation of Saskatoon Health Region’s carbon monoxide (CO) monitoring policy in 10 long-term care facilities (LTCFs). Presenter: Daniel Fong

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Indoor Air Quality: Interpreting Assessment Results

Canadian Institute of Public Health Inspectors (CIPHI) 79th Annual National Educational Conference Presentations General indoor air quality parameters: CO, CO2, relative humidity, temperatureDru Sahai, Public Health Ontario Volatile organic compoundsPrabjit Barn, NCCEH MouldDaniel Fong, NCCEH RadonPam Warkentin, Radonmatters Additional indoor pollutantsDru Sahai, Public Health Ontario

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BC Centre for Disease Control (BCCDC) - The Epidemiology of Airborne Pollutants and Autism

Dr. Amy Kalkbrenner uses epidemiologic methods to study how exposures to environmental pollutants during pregnancy cause poor birth outcomes (such as preterm birth) or neurodevelopmental disorders (like autism). She especially focuses on airborne exposures, such as traffic-related pollutants like fine particulate matter, the hundreds of airborne metals and volatile organic compounds known as air...

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BC Lung Association - Effect Modification of Prenatal Exposure to Ambient Air Pollution and Childhood Asthma Incidence

Prenatal exposure to ambient air pollution has been associated with development of childhood asthma, however, less is known regarding the potential modifying factors in this association. This presentation will go through the literature on this issue and will present findings from a retrospective cohort study conducted in Ontario, Canada. This study examined effect modification by maternal asthma...

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UBC School of Population and Public Health - Air quality and demands for ambulance services: Is there an association?

Topics: Air General, Canada 

Presenter: Dr Fay Johnston, Menzies Institute for Medical Research, University of Tasmania and Department of Health and Human Services

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UBC School of Population and Public Health - Meanwhile, back at the ranch: Health effects of air pollution in rural areas

Topics: Air General, Canada 

Presenter: Dave Stieb, Health Canada and University of Ottawa School of Epidemiology, Public Health and Preventive Medicine Rural residents have poorer health status and spend more time outdoors than urban residents, but there is limited evidence on the effects of air pollution in this population. This presentation reviews factors which make rural residents more vulnerable and describes findings...

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Health Canada - Residential Attached Garage Intervention Study

The Air Quality Health Index (AQHI) and Indoor Air Contaminants Assessment Sections at Health Canada are inviting their stakeholders, including public health officials, urban planners, policy decision-makers, and health and emergency management Non-Governmental Organizations to participate in our next Air-Health webinar. This webinar series has been designed to provide a forum for communities to...

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Indoor Air Quality Association (IAQA) - Vancouver Chapter Meeting

Topics: Air, Indoor Air BC, Canada 

IAQA Vancouver is pleased to present the fourth of its quarterly chapter meetings at the University of British Columbia on Indoor Air Quality in Green and LEED Buildings. Cost: $25 for members, $35 for non-members (cheque made out to “IAQA Vancouver” or cash at door)

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Public Health Ontario (PHO) Grand Rounds - Environmental pollution and chronic disease: it's up in the air

The recent Global Burden of Disease Study has highlighted the substantial impact of air pollution on premature mortality worldwide. Over the past decade, there is also an increasing body of evidence linking exposure to air pollution to the onset of major chronic diseases such as cardiovascular disease, diabetes, and more recently, dementia. These associations were observed even at the relatively...

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Occupational Cancer Research Centre (OCRC) - Shale petroleum development: Air Emissions and Implications

Shale petroleum resource development has been a driving force for the renaissance of the North American energy industry. This development creates concerns regarding environmental and health impacts; many of which are not well understood or quantified.  From the atmospheric perspective, knowledge on emissions of pollutants is critically lacking.  Whether these new development activities...

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Occupational Cancer Research Centre (OCRC) - Radon in Canada: the challenges of putting prevention into action

Radon is an invisible, radioactive gas that contributes to the deaths of thousands of Canadians every year. Conventional wisdom suggests there should be outrage about the number of Canadians unnecessarily and unwitting exposed to elevated levels of alpha radiation from radon gas. Unfortunately, most Canadians are still not aware of the threats posed by this leading cause of lung cancer; or how...

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NCC for Methods and Tools and NCCEH - Leveraging Evidence for Policy Change: Reducing Carbon Monoxide Exposure in Long-term Care Facilities

Please join Dr. Susan Snelling and Mr. Daniel Fong (MPH, CPHI(C)) for a practice-oriented discussion of how public health professionals can adapt information and implement and evaluate policy change. This webinar draws on the National Collaborating Centre for Methods and Tools (NCCMT) seven-step process for evidence-informed public health, with a focus on the process by which research evidence...

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Hazardous Products Act, RSC 1985, c H-3

Cigarette Ignition Propensity Regulations, SOR/2005-178

Tobacco (Access) Regulations, SOR/99-93

Tobacco Products Information Regulations, SOR/2000-272

Tobacco Reporting Regulations, SOR/2000-273

Swimming Pool, Wading Pool and Water Spray Park Regulation, Alta Reg 293/2006

Alberta Land Stewardship Act, SA 2009, c A-26.8

Climate Change and Emissions Management Act, SA 2003, c C-16.7

Specified Gas Emitters Regulation, Alta Reg 139/2007

Specified Gas Reporting Regulation, Alta Reg 251/2004

Dairy Industry Act, RSA 2000, c D-2

Dairy Industry Regulation, Alta Reg 139/1999

Dangerous Goods Transportation and Handling Act, RSA 2000, c D-4

Dangerous Goods Transportation and Handling Regulation, Alta Reg 157/1997

Environmental Protection and Enhancement Act, RSA 2000, c E-12

Approvals and Registrations Procedure Regulation, Alta Reg 113/1993

Emissions Trading Regulation, Alta Reg 33/2006

Environmental Assessment Regulation, Alta Reg 112/1993

Mercury Emissions from Coal-fired Power Plants Regulation, Alta Reg 34/2006

Ozone-depleting Substances and Halocarbons Regulation, Alta Reg 181/2000

Pesticide (Ministerial) Regulation, Alta Reg 43/1997

Pesticide Sales, Handling, Use and Application Regulation, Alta Reg 24/1997

Release Reporting Regulation, Alta Reg 117/1993

Remediation Certificate Regulation 154/2009

Substance Release Regulation, Alta Reg 124/1993

Hydro and Electric Energy Act, RSA 2000, c H-16

Hydro and Electric Energy Regulation, Alta Reg 409/1983

Meat Inspection Act, RSA 2000, c M-9

Meat Inspection Regulation, Alta Reg 42/2003

Occupational Health and Safety Act, RSA 2000, c O-2

Oil and Gas Conservation Act, RSA 2000, c O-6

Oil and Gas Conservation Rules, Alta Reg 151/1971

Provincial Parks Act, RSA 2000, c P-35

Provincial Parks (Dispositions) Regulation, Alta Reg 241/1977

Tobacco Reduction Act, SA 2005, c T-3.8

Tobacco Reduction Regulation, Alta Reg 240/2007

Food Regulation, Alta Reg 31/2006

Drilling and Production Regulation, BC Reg 282/2010

Oil and Gas Activities Act, SBC 2008, c 36

Food Premises Regulation, BC Reg 210/99

Community Care and Assisted Living Act, SBC 2002, c 75

Child Care Licensing Regulation, BC Reg 332/2007

Residential Care Regulation, BC Reg 96/2009

Emergency Program Act, RSBC 1996, c 111

Emergency Program Management Regulation, BC Reg 477/94

Environmental Assessment Act, SBC 2002, c 43

Reviewable Projects Regulation, BC Reg 370/2002

Environmental Management Act, SBC 2003, c 53

Agricultural Waste Control Regulation, BC Reg 131/92

Antisapstain Chemical Waste Control Regulation, BC Reg 300/90

Asphalt Plant Regulation, BC Reg 217/97

Code of Practice for the Concrete and Concrete Products Industry, BC Reg 329/2007

Code of Practice for the Slaughter and Poultry Processing Industries, BC Reg 246/2007

Contaminated Sites Regulation, BC Reg 375/96

Gasoline Vapour Control Regulation, BC Reg 226/95

Hazardous Waste Regulation, BC Reg 63/88

Landfill Gas Management Regulation, BC Reg 391/2008

Mushroom Compost Facilities Regulation, BC Reg 413/98

Oil and Gas Waste Regulation, BC Reg 254/2005

Open Burning Smoke Control Regulation, BC Reg 145/93

Organic Matter Recycling Regulation, BC Reg 18/2002

Public Notification Regulation, BC Reg 202/94

Sulphur Content of Fuel Regulation, BC Reg 67/89

Waste Discharge Regulation, BC Reg 320/2004

Wood Residue Burner and Incinerator Regulation, BC Reg 519/95

Fish Inspection Act, RSBC 1996, c 148

Fish Inspection Regulations, BC Reg 12/78

Fisheries Act, RSBC 1996, c 149

Fisheries Act Regulations, BC Reg 140/76

Food Safety Act, SBC 2002, c 28

Meat Inspection Regulation, 349/2004

Greenhouse Gas Reduction Targets Act, SBC 2007, c 42

Emission Offsets Regulation, BC Reg 393/2008

Integrated Pest Management Act, SBC 2003, c 58

Integrated Pest Management Regulation, BC Reg 604/2004

Milk Industry Act, RSBC 1996, c 289

Milk Industry Standards Regulation, BC Reg 464/81

Motor Vehicle Act Regulations, BC Reg 26/58

Petroleum and Natural Gas Act, RSBC 1996, c 361

South Coast British Columbia Transportation Authority Act, SBC 1998, c 30

Transport of Dangerous Goods Act, RSBC 1996, c 458

University Endowment Land Act, RSBC 1996, c 469

Tobacco Control Act, RSBC 1996, c 451

Tobacco Control Regulation, BC Reg 232/2007

Dwellings and Buildings Regulation, Man Reg 322/88 R

Food and Food Handling Establishments Regulation, Man Reg 339/88 R

Health Hazards Regulation, Man Reg 29/2009

Swimming Pools and Other Water Recreational Facilities Regulation, Man Reg 132/97

The Climate Change and Emissions Reductions Act, CCSM c C135

The Community Child Care Standards Act, CCSM c C158

Child Care Regulation, Man Reg 62/86

Dangerous Goods Handling and Transportation Act, CCSM c D12

Classification Criteria for Products, Substances and Organisms Regulation, Man Reg 282/87

The Health Services Insurance Act, CCSM c H35

Personal Care Homes Standards Regulation, Man Reg 30/2005

Mines and Minerals Act, CCSM c M162

Quarry Minerals Regulation, 1992, Man Reg 65/92

The Mining and Metallurgy Compensation Act, CCSM c M190

The Oil and Gas Act, CCSM c O34

Drilling and Production Regulation, Man Reg 111/94

The Ozone Depleting Substances Act, CCSM c O80

The Child and Family Services Act, CCSM c C80

Child Care Facilities (Other than Foster Homes) Licensing Regulation, Man Reg 17/99

The Dairy Act, CCSM c D10

Dairy Regulation, Man Reg 203/87 R

Classes of Development Regulation, Man Reg 164/88

Incinerators Regulation, Man Reg 91/88 R

Licensing Procedures Regulation, Man Reg 163/88

Onsite Wastewater Management Systems Regulation, Man Reg 83/2003

Peat Smoke Control Regulation, Man Reg 226/89

The Non-Smokers Health Protection Act, CCSM c N92

Non-Smokers Health Protection Regulation 174/2004

Smoke-free Places Act, RSNB 2011, c 222

General Regulation, NB Reg 2004-99

Clean Air Act, SNB 1997, c C-5.2

Air Quality Regulation, NB Reg 97-133

Ozone Depleting Substances and Other Halocarbons Regulation, NB Reg 97-132

Public Participation Regulation, NB Reg 2001-98

Clean Environment Act, RSNB 1973, c C-6

Clean Water Act, SNB 1989, c C-6.1

Community Planning Act, RSNB 1973, c C-12

Provincial Mobile Home Parks and Sites Regulation, NB Reg 84-291

Education Act, SNB 1997, c E-1.12

School Administration Regulation, NB Reg 97-150

Family Services Act, SNB 1980, c F-2.2

Community Placement Residential Facilities Regulation, NB Reg 83-77

Day Care Regulation, NB Reg 83-85

Gas Distribution Act, 1999, SNB 1999, c G-2.11

Gas Distribution and Marketers' Filing Regulation, NB Reg 99-60

Mining Act, SNB 1985, c M-14.1

General Regulation, NB Reg 86-98

Municipalities Act, RSNB 1973, c M-22

Residential Properties Maintenance and Occupancy Code Approval Regulation, NB Reg 84-86

Tobacco Sales Act, SNB 1993, c T-6.1

General Regulation, NB Reg 94-57

Tourism Development Act, 2008, SNB 2008, c T-9.5

Tourist Establishment Regulation, NB Reg 2008-141

Transportation of Dangerous Goods Act, RSNB 2011, c 232

Public Pools Regulations, CNLR 1023/96

Dangerous Goods Transportation Act, RSNL 1990, c D-1

Environmental Protection Act, SNL 2002, c E-14.2

Air Pollution Control Regulations, 2004, NLR 39/04

Halocarbon Regulations, NLR 41/05

Pesticides Control Regulations, 2012, NLR 26/12

Fire Protection Services Act, SNL 2008, c F-11.01

Food and Drug Act, RSNL 1990, c F-21

Food Premises Regulations, CNLR 1022/96

Highway Traffic Act, RSNL 1990, c H-3

Labrador Inuit Land Claims Agreement Act, SNL 2004, c L-3.1

Mineral Exploration Standards Regulations, NLR 39/07

Smoke-free Environment Act, 2005, SNL 2005, c S-16.2

Smoke-free Environment Regulations, 2005, NLR 54/05

Tobacco Control Act, SNL 1993, c T-4.1

Urban and Rural Planning Act, 2000, SNL 2000, c U-8

Occupancy and Maintenance Regulations, CNLR 1021/96

Anti-idling Act, SNS 2010, c 32

Air Quality Regulations, NS Reg 28/2005

Ozone Layer Protection Regulations, NS Reg 54/95

Smoke-free Places Act, SNS 2002, c 12

Smoke-free Places Regulations, NS Reg 144/2002

Water Supply System Regulations, NWT Reg 108-2009

Child Day Care Act, RSNWT 1988, c C-5

Environmental Protection Act, RSNWT 1988, c E-7

Asphalt Paving Industry Emission Regulations, RRNWT 1990, c E-23

Used Oil and Waste Fuel Management Regulations, NWT Reg 064-2003

Environmental Tobacco Smoke Work Site Regulations, NWT Reg 082-2003

Work Site Hazardous Materials Information System Regulations, RRNWT 1990, c S-2

Tobacco Control Act, SNWT 2006, c 9

Tobacco Control Regulations, NWT Reg 101-2006

Public Pool Regulations, RRNWT 1990, c P-21

Meat Inspection Regulations, NWT Reg (Nu) 190-96

Milk Regulations, RRNWT (Nu) 1990 c P-19

Public Pool Regulations, RRNWT (Nu) 1990 c P-21

Tourist Accommodation Health Regulations, RRNWT (Nu) 1990 c P-24

Tobacco Control Act, SNu 2003, c 13

Tobacco Control Regulations, Nu Reg 011-2007

Environmental Protection Act, RSO 1990, c E.19

Smoke-Free Ontario Act, SO 1994, c 10

Air Pollution - Local Air Quality, O Reg 419/05

Community Care Facilities and Nursing Homes Act, RSPEI 1988, c C-13

General Regulations, PEI Reg EC391/84

Nursing Home Regulations, PEI Reg EC10/88

Air Quality Regulations, PEI Reg EC377/92

Environmental Records Review Regulations, PEI Reg EC619/04

Ozone Layer Protection Regulations, PEI Reg EC619/94

Waste Resource Management Regulations, PEI Reg EC691/00

Fish Inspection Act, RSPEI 1988, c F-13

General Regulations, PEI Reg EC764/72

Pesticides Control Act, RSPEI 1988, c P-4

General Regulations, PEI Reg EC761/05

Smoke-free Places Act, RSPEI 1988, c S-4.2

Tobacco Sales and Access Act, RSPEI 1988, c T-3.1

General Regulations, PEI Reg EC414/05

Tourism Industry Act, RSPEI 1988, c T-3.3

General Regulations, PEI Reg EC267/99

Tobacco Act, CQLR c T-0.01

Regulation respecting the quality of the atmosphere, CQLR c Q-2, r 38

Clean Air Regulation, CQLR c Q-2, r 4.1

The Clean Air Act, SS 1986-87-88, c C-12.1

The Clean Air Regulations, RRS c C-12.1 Reg 1

The Education Act, 1995, SS 1995, c E-0.2

Education Regulations, 1986, RRS c E-0.1 Reg 1

Halocarbon Control Regulations, RRS c E-10.21 Reg 2

The Tobacco Control Act, SS 2001, c T-14.1

Tobacco Control Regulations, RRS c T-14.1 Reg 1

Agricultural Products Act, RSY 2002, c 3

Meat Inspection and Abattoir Regulations, YOIC 1988/104

Child Care Act, RSY 2002, c 30

Environment Act, RSY 2002, c 76

Air Emissions Regulations, YOIC 1998/207

Ozone Depleting Substances and Other Halocarbons Regulation, YOIC 2000/127

Solid Waste Regulations, YOIC 2000/11

Oil and Gas Act, RSY 2002, c 162

Smoke-Free Places Act, SY 2008, c 8

Smoke-Free Places Regulation 2009, YOIC 2009/99

Child Care Centre Program Regulation, YOIC 1995/87

Collection & Disposal of Wastes Regulation, Man Reg 321/88 R

Fumigation and Pest Control Regulation, Man Reg 323/88 R

Industrial and Construction Camps Regulations, NS Reg 40/42

Pesticide Act, RSNWT (Nu) 1988, c P-4

Pesticide Regulations, RRNWT (Nu) 1990 c P-2

Summer Trailer Court, Tenting and Camp Areas Regulations, PEI Reg EC167/69

The Environmental Management and Protection Act, 2002, SS 2002, c E-10.21

Tourist Accommodation Health Regulations, RRNWT 1990, c P-24

Public Health Act, SNB 1998, c P-22.4

Public Health Act, RSA 2000, c P-37

The Public Health Act, CCSM c P210

The Environment Act, CCSM c E125

Health and Community Services Act, SNL 1995, c P-37.1

Public Health Act, SNWT 2007, c 17

Public Health Act, RSNWT (Nu) 1988, c P-12

Public Health Act, RSPEI 1988, c P-30.1

Public Health Act, 1994, SS 1994, c P-37.1

Public Health and Safety Act, RSY 2002, c 176

Public Health Act, SBC 2008, c 28