scope:

This Standard establishes minimum requirements for the commissioning, design, specification, construction, installation, management, operation, maintenance, and testing of dilution ventilation systems (including demand dilution ventilation) used for the reduction, prevention, and control of employee exposure to harmful airborne substances in the industrial environment. The Standard establishes minimum requirements to provide safe and healthful working conditions in industrial employee occupancies.

Exclusions. The Standard does not cover:

o ventilation used exclusively for comfort

o HVAC and dilution ventilation systems used in non-industrial employee occupancies

o ventilation of laboratories

o LEV systems

o displacement ventilation systems

Conflicts with other Standards and Codes.

Where Standard provisions may be in conflict with building codes or other recognized standards, the more stringent should be applied.