| #Q001 | monitoring | health | guidance | Analytical testing and disinfection of HVAC and areas of concern | other | This includes analytical testing by a competent person on a regular basis of the HVAC system cooling towers and other areas of concern, and the use of appropriate cleaners and disinfectants. | Proper use, care, maintenance, cleaning, and disinfection of the potential areas of concern, especially during spring and summer | high |
| #Q002 | operational | health | recommended | Respiratory protection during aerosolizing activities | other | To avoid potential airborne exposure while performing activities that may aerosolize the contaminated water, including purging, maintenance, cleaning, disinfection, or water sampling processes, it is recommended that the person(s) wear appropriate respiratory protection as per the CSA-Z94.4-18 Selection, use, and care of respirators. | While performing activities that may aerosolize contaminated water | high |
| #Q003 | administrative | operational | mandatory | Written instructions for HVAC systems | other | instructions for the operation, inspection, testing, cleaning, and maintenance of HVAC systems must be written and reviewed by a qualified person who shall take into account CSA Guideline Z204-94, entitled Guideline for Managing Air Quality in Office Buildings, dated June 1994 | | high |
| #Q004 | reporting | operational | mandatory | Appointment of qualified person and reporting | other | the employer must then appoint a qualified person to put the instructions into action and to complete a written report about each inspection, cleaning, testing, and maintenance event | | high |
| #Q005 | administrative | health | mandatory | Development of investigation procedure | other | employers must have a qualified person develop an investigation procedure for events where a worker’s health or safety may be harmed or at risk of exposure by the air quality, such as an exposure to Legionella | For events where a worker's health or safety may be harmed or at risk of exposure by the air quality | high |
| #Q006 | administrative | health | mandatory | Reference for investigation procedure development | other | the qualified person shall take into account the Health Canada publication 93-EHD-166, Indoor Air Quality in Office Buildings: A Technical Guide when writing an investigation procedure. | When writing an investigation procedure | high |
| #Q007 | administrative | health | recommended | Consultation of recommended publications | other | It is also recommended that the qualified person consult the following publications: American Society of Heating, Refrigeration and Air-conditioning Engineer (ASHRAE), Legionellosis: Risk Management for Building Water Systems. BSR/ASHRAE Standard 188-2018; American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE), Minimizing the Risk of Legionellosis Associated with Building Water Systems. ASHRAE Guideline 12-2000; American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE), Atlanta, GA (404-636- 8400). Legionellosis Position Paper, 1998; Cooling Technology Institute, Legionellosis Guideline: Best Practices for Control of Legionella (CTI Guidelines WTP-148), July 2008; Flanders, W.D., Morris, G.K. and Shelton, B.G. (1994). Legionnaires’ Disease Outbreaks and Cooling Towers with Amplified Legionella Concentrations. Current Microbiology 28, 359-363; Millar, J.D., Morris, G.K. and Shelton, B.G. (1997) Legionnaires’ Disease: Seeking Effective Prevention. ASHRAE Journal, 22-29; OSHA Technical Manual, Section III, Chapter 7: Legionnaires’ Disease. Occupational Safety and Health Administration, Department of Labor, Washington, D.C.; Legionella 2019: A Position Statement and Guidance Document published by the Association of Water Technologies (AWT) | | high |
| #Q008 | reporting | reporting | mandatory | Reporting accidental releases | aquatic life, other | reporting accidental releases that result in an environmental emergency | Applies when accidental releases result in an environmental emergency | high |
| #Q009 | operational | operational | mandatory | Developing Environmental Emergency Plans | aquatic life, other | developing ... Environmental Emergency Plans | Requirements vary significantly depending on the amount of the substance that is onsite and the capacity of the container system | high |
| #Q010 | operational | operational | mandatory | Exercising Environmental Emergency Plans | aquatic life, other | exercising Environmental Emergency Plans | Requirements vary significantly depending on the amount of the substance that is onsite and the capacity of the container system | high |