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Indoor Air
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Topics: Air, Contaminants and Hazards, Biological Agents, Chemical Agents, Indoor Air, Practices and Procedures, Radiation General, Canada
Personal cultivation as described by the proposed Cannabis Act (2017) will permit adults to cultivate up to four cannabis plants per household. This provision is intended to both promote equity by facilitating access to legal cannabis, particularly when retail outlets are difficult to access, and to undercut the black market. However, indoor cultivation and processing of cannabis may also...
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Topics: Contaminants and Hazards, Air, Chemical Agents, Indoor Air
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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Topics: Air, Contaminants and Hazards, Chemical Agents, Indoor Air General, Canada
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...
View Full ArticlePepper Spray in the Indoor Environment and in the Vicinity of Food Products and Preparation Surfaces
Topics: Air, Contaminants and Hazards, Chemical Agents, Food, Indoor Air General, Canada
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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