Indoor Air Quality Investigations

Policy

Category: Health Hazard Prevention and Management
Subject: Indoor Air Quality Investigations
Division: N/A
Policy Number: CA.84.01.103
Effective Date: Mar. 2006

POLICY STATEMENT

It is the policy of Wellington-Dufferin-Guelph Public Health (WDGPH) to prevent or reduce the burden of illness and decrease heath outcomes from health hazards associated with indoor air quality in accordance with the most current version of the Health Hazard and Prevention Protocol the Risk Assessment and Inspection of Facilities Protocol, and the Identification, Investigation and Management of Health Hazards Protocol under the Ontario Public Health Standards and the Health Protection and Promotion Act. Air quality as it applies to the workplace falls under the jurisdiction of the Ministry of Labour.  Because of its health role, WDGPH will respond and attempt to resolve air quality concerns that fall outside of the mandate of the Ministry of Labour.

 

REFERENCES AND RELATED FORMS, POLICIES AND PROCEDURES

CA.84.02.103  Indoor Air Quality Investigations
Health Hazard and Prevention Protocol
Risk Assessment and Inspection of Facilities Protocol
Identification, Investigation and Management of Health Hazards Protocol
Ontario Public Health Standards
Health Protection and Promotion Act.

APPROVED BY

Rob Thompson 


Procedure

Category: Health Hazard Prevention and Management
Subject: Indoor Air Quality Investigations
Division: N/A
Procedure Number: CA.84.02.103
Effective Date: Mar. 2006

PROCEDURE

  1. Follow the procedure CA.84.02.101General Procedure for Investigating a Health Hazard Complaint.
  2. Follow the policy and procedure CA.84.02.105 Mould Investigation if the concern/complaint is specific to mould.
  3. In investigating the complaint make a referral as appropriate to one or more of the following agencies:
  1. The Public Health Inspector (PHI) shall identify him/herself to the owner/operator and state the reason for the visit. The owner/operator or designate present is provided the opportunity to accompany the PHI during the inspection.
  2. Use the CSR electronic form in Hedgehog to conduct the inspection.  Refer to the Hedgehog User manual as required.
  3. Conduct a site visit and inspection of the premise/location named in the complaint.
  4. Through risk assessment and investigation, determine the validity of the complaint.  If a health hazard exists, identify corrective measures.  Ensure that corrective action is taken promptly to eliminate, reduce or minimize the health hazard.
  5. Air quality sampling for carbon dioxide (C02) and carbon monoxide (CO) may be conducted upon request at the discretion of the PHI.  Increased make-up air or other actions should be suggested if parameters are exceeded.
  • CO2 should be within 700 PPM of ambient concentrations, (e.g. if outdoor air is 300 PPM, indoor air should be <1000 PPM), ASHRAE 62-2003;
  • Indoor temperature range 20ºC - 24ºC, ISO; and
  • Relative humidity range 30% – 60%, ASHRAE 55-198.
  1. Fact sheets related to on different aspects of indoor air quality (carbon monoxide, mould, etc.) are available for distribution if necessary.
  2. If necessary, prior to taking any legal action, consult with the Manager for the Health Hazard Program or the Director, Health Protection.  Legal action may be considered where the complainant is a tenant of a rental property where the owner is reluctant or unwilling to address the health hazard.

REFERENCES AND RELATED FORMS, POLICIES AND PROCEDURES

CA.84.01.103  Indoor Air Quality Investigations
|Health Hazard and Prevention Protocol
Risk Assessment and Inspection of Facilities Protocol
Identification, Investigation and Management of Health Hazards Protocol
Ontario Public Health Standards
Health Protection and Promotion Act.

APPROVED BY

Rob Thompson