PART VIII MACHINERY AND EQUIPMENT — Exhaust ventilation
124
(1) Where abrasive blasting or a similar operation is conducted within a structure, the process shall be isolated in a separate, properly ventilated enclosure or cabinet to minimize worker exposure to air contaminants generated by the process.
124(2)
Where abrasive blasting or a similar operation is conducted inside an enclosure or cabinet, the enclosure or cabinet shall have exhaust ventilation that
124(a)
maintains air pressure below the air pressure outside the enclosure or cabinet, to prevent the escape of air contaminants from the enclosure or cabinet to other work areas; and
124(b)
minimizes worker exposure inside the enclosure.
Not legal advice. Verify the cited article against the signed agreement.