On Board Trains Occupational Health and Safety Regulations (SOR/87-184)

6.27 (1) Foods that require refrigeration to prevent them from becoming hazardous to health shall be maintained at a temperature of 4°C or lower.

(2) Where foods stored by the employer for consumption by employees require freezing to prevent them from becoming hazardous to health, the foods shall be maintained at a temperature of -11°C or lower.