Guide to the safe handling of solvents in a bituminous ... - Aapaq.org

¨¨¨¨¨¨Do not lean into the hood. This disturbs the air flow, and alsoplaces your head into the contaminated air inside the hood;Do not make quick motions into or out of the hood, or createcross drafts by walking rapidly past the hood. Opening doorsor windows can sometimes cause strong air currents which willdisturb the air flow into the hood;Heating devices should be placed at the rear of the hood;Do not use a hood for any function it was not specificallydesigned;Keep hood door closed when not attended;Remember that sinks inside fume hoods are not designed fordisposing of chemical wastes.Additional information on Local Exhaust Ventilation design, operationand maintenance standards:Reference to local regulatory standards related to ventilation may be foundin the following OHS Act regulations:• Environmental Regulations for Workplaces, 1987: Regulation 5 (1):General ventilation requirements for all workplaces;• Hazardous chemical substances regulations, 1995: Regulation 10 (1):Control of exposure to HCS (reference to engineering controlmeasures where exposure to HCS is above Occupational ExposureLimits).However, the above regulations are not sufficient to provide guidance andspecific design, operation and maintenance standards for the control ofairborne contaminants in the workplace.In the absence of suitable local (SA) standards, Sabita thereforerecommends that, for the purpose of following and illustrating goodpractice, the following guide is adopted as the standard for demonstratinglegal compliance and implementing best available techniques as requiredby the Sabita HSE Charter.• Controlling airborne contaminants at work - A guide to local exhaustventilation.60