Canada–Nova Scotia Offshore Area Occupational Health and Safety Regulations — 157
Employer obligations 157 (1) Every employer must ensure, in respect of each workplace under its control, that (a) no employee’s exposure to a hazardous substance exceeds the threshold limit value for that substance, as adjusted if necessary to reflect the length of the employee’s work period, or the biological exposure index for that substance; (b) automated detection and warning systems are in place, if feasible, to alert employees of any potential exposure to a hazardous substance; (c) hazardous substances are stored (i) in an area, designated by the employer for that purpose, that is (A) designed and constructed to provide for the safe containment and protection of its contents, (B) clearly identified by appropriate signage, (C) designed and maintained — including through the provision of adequate ventilation and lighting — to allow for its safe occupancy and the safe movement of employees, equipment and material, and (D) designed and equipped to permit effective emergency response having regard to the nature of each substance being stored, including, if any of the substances is flammable or combustible, by being equipped with a suitable fire suppression system, (ii) in containers that are designed and constructed to protect persons from the substances’ hazardous effects, and (iii) in a manner that ensures that (A) the substances and their containers cannot readily fall, become dislodged, suffer damage or be exposed to extreme temperatures, and (B) if the mixing of multiple substances would create a health or safety hazard to persons, those substances are prevented from mixing in the event of container leakage, breakage or other similar circumstance; (d) any storage area designated under subparagraph (c)(i) in which a flammable or combustible substance is to be dispensed or transferred also meets the following criteria: (i) its ventilation conforms to the applicable provisions of National Fire Protection Association publication NFPA 30, Flammable and Combustible Liquids Code , (ii) its exhaust air is discharged outdoors, to an area in which the exhaust will not pose a risk to the health or safety of any person, and the storage area is provided with makeup air, (iii) any makeup air duct that passes through a fire separation is equipped with a fire damper that is fitted to close automatically on detection of fire or the arming of a related fire suppression system, and (iv) any doors to or within the area are self-closing; (e) hazardous substances are removed from storage and used in as small a quantity as is feasible; (f) any hazard posed by a hazardous substance, including as a result of its production, storage, handling, use or disposal, is confined to as small an area as is feasible; (g) signs warning of the presence of hazardous substances are posted in conspicuous places, including all access points to the area in which the substances are present; (h) any production, storage, handling, use or disposal of a hazardous substance is done in accordance with the safety data sheet for that substance, if any, or another document containing hazard information in respect of that substance; (i) any handling, storage or use of a hazardous substance that is at risk of igniting from static electricity conforms to the National Fire Protection Association publication NFPA 77, Recommended Practice on Static Electricity ; (j) any words or symbols that identify the contents of a container as a hazardous substance are removed once the container has been completely cleaned of that substance; (k) if an employee’s skin, hair or clothing is likely to become contaminated by a hazardous substance in the course of their work, (i) a shower is available to them, outside of the accommodations area, for the purpose of decontamination, and (ii) they are allowed sufficient time during their normal working hours to use the decontamination shower or other cleaning facilities; (l) appropriate emergency eye-wash stations and showers that conform to and have