(i) the removal of a false ceiling or part thereof to obtain access to a work area, where a significant quantity of friable material containing asbestos is likely to be lying on the surface of the false ceiling,
(ii) the minor removal or minor disturbance of friable material containing asbestos during the repair, alteration, maintenance or demolition of a building, aircraft, ship, locomotive, railway car or vehicle or any machinery or equipment, or part thereof, other than the equipment mentioned in subclause (c) (iii) or where the minor removal or disturbance is not a Type 1 operation,
(iii) the enclosure of friable material containing asbestos,
(iv) the application of tape or a sealant or other covering to pipe or boiler insulation containing asbestos, or
(v) any operation not mentioned in subclause (i) to (iv) that may cause exposure of a worker to asbestos and that is not classified as a Type 1 or a Type 3 operation; and
Section 12.-
The following measures and procedures apply to Type 2 operations and to Type 3 operations:
- A wetting agent shall be added to water that is to be used to control the spread of asbestos dust.
- Eating, drinking, chewing or smoking shall not be permitted in the work area.
- Containers for dust and waste containing asbestos shall be,
- dust tight,
- suitable for the type of waste,
- impervious to asbestos,
- identified as containing asbestos waste,
- cleaned with a damp cloth or a vacuum equipped with a HEPA filter immediately before being removed from the work area, and
- removed from the workplace frequently and at regular intervals.
- The employer shall provide every worker who will enter the work area with respiratory protective equipment and the worker shall wear and use the equipment.
- rotective clothing shall be provided by an employer and worn by every worker who enters the work area and the protective clothing,
- shall be made of a material which does not readily retain nor permit penetration of asbestos fibres,
- shall consist of full body covering including head covering with snug fitting cuffs at the wrists, ankles and neck,
- shall include suitable footwear, and
- shall be repaired or replaced if torn.
- Compressed air shall not be used to clean up and remove asbestos dust from any surface.
- Only persons wearing protective clothing and equipment shall enter a work area where there is an asbestos dust hazard. R.R.O. 1990, Reg. 838, s. 12.
In addition to the measures and procedures prescribed by section 12, the following measures and procedures apply to Type 2 operations:
- Where the operation is one mentioned in subclause 9 (1) (b) (i) or (ii), the work area shall be identified by clearly visible signs warning of the asbestos dust hazard.
- Where the operation is one mentioned in subclause 9 (1) (b) (i), the friable material that is likely to be disturbed shall be cleaned up and removed by using a vacuum equipped with a HEPA filter when access to the work area is obtained.
- Before commencing work that is likely to disturb friable material containing asbestos that is crumbled, pulverized or powdered and that is lying on the surface of any article, thing or place, the friable material shall be cleaned up and removed by damp wiping or by using a vacuum equipped with a HEPA filter.
- Friable material containing asbestos that is not crumbled, pulverized or powdered and that will be disturbed or removed during the work shall be thoroughly wetted before and during the work unless wetting creates a hazard or causes damage.
- Subject to paragraph 6, the spread of asbestos dust from a work area shall be controlled by measures appropriate to the work to be done including the use of drop sheets of polyethylene or other suitable material.
- Where the operation is one mentioned in subclause 9 (1) (b) (i) or (ii) and the operation is being carried on indoors, the spread of asbestos dust from the work area shall be prevented where practicable by,
- i. an enclosure of polyethylene or other suitable material where walls do not enclose the work area, and
- ii. disabling the mechanical ventilation system serving the work area and by sealing the ventilation ducts to and from the work area.
- Frequently and at regular intervals during the doing of the work and immediately upon completion of the work
- dust and waste containing asbestos shall be cleaned up and removed by wet sweeping or damp mopping and placed in a container as described in paragraph 3 of section 12 or by using a vacuum equipped with a HEPA filter,
- drop sheets and barriers that are to be reused shall be cleaned by using a vacuum equipped with a HEPA filter or by damp wiping, and
- drop sheets and barriers that are to be disposed of shall be wetted and folded to contain the dust and placed in a container as described in paragraph 3 of section 12.
- The respirator required by paragraph 4 of section 12 shall be a non-powered reusable or replaceable air purifying dust respirator suitable for protection against asbestos.
- Before leaving the work area, a worker shall decontaminate his or her protective clothing by using a vacuum equipped with a HEPA filter or by damp wiping.
- If protective clothing will not be reused, the worker, after complying with paragraph 9, shall place the protective clothing in a container as described in paragraph 3 of section 12.
- Facilities for the washing of hands and face shall be made available to a worker and shall be used by every worker when leaving the work area. R.R.O. 1990, Reg. 838, s. 13.
