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A  joint   project  of  the  Health and Safety Organizations of Ontario 
sponsored by the Occupational  Health and Safety Council of Ontario

 

When microbial growth is found in a building the growth should be isolated where practical and eliminated as soon as reasonably possible.   This is especially important when individuals who are immune-compromised or have respiratory problems could be present.

To prevent a reoccurrence of the growth the causes should be found and corrected at the same time the decontamination is being carried out.    The presence of Mould is usually related to excessively high humidity, moisture or water damage.  Materials which have been contaminated by mould are more susceptible to recontamination than materials which never been contaminated.

Health Canada suggests that Microbial contamination covering less than 30 sq. ft. (approximately 3 square metres) can be corrected by properly trained maintenance staff.   Specialists should be contacted for advice when the contaminated area is larger.

Click here for recommended methods of remediating mould contamination.

Click here for OHSCO workplace guidelines for mould recognition, assessment, and control.

Click here for mould remediation summary chart.  

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The information used in these pages are based on
Mold Remediation in Schools and Commercial Buildings
Published by the United States Environmental Protection Agency

Office of Air and Radiation, Indoor Environments Division
March 2001