Indoor Air Quality

What does the law actually require? Employers' obligations for workplace ventilation come from Regulation 6 of the Workplace (Health, Safety and Welfare) Regulations 1992, which requires that every enclosed workplace is ventilated by a sufficient quantity of fresh or purified air. The Approved Code of Practice (ACOP) accompanying the Regulations expands on this, noting that ventilation should be sufficient to remove and dilute warm, stale air and replace it with fresh air, an