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NCCEH field inquiries are based on a real or hypothetical situation related to an environmental health problem. A field inquiry uses a question format to offer context and background to the problem, knowledge to assess the situation and concludes with an approach to solve the problem.
Trigger for Investigation On June 18, 2010 a commercial harvester advised an inspection specialist at CFIA of four cases of suspect PSP-related illness that occurred June 17, 2010. CFIA began an investigation and trace-back and advised relevant public health authorities of illnesses to ensure follow-up of cases. You are the epidemiologist working at the local health authority where the cases...View Full Article
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...View Full Article