Sewerage (Lighting Ventilation and Construction) Regulations 1971


11/Nov/1998 - Current (at 31 Dec 2005)
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    13. Air for ventilation to be pure

    The air from which any system of ventilation is supplied shall, so far as is practicable, be free from contamination and impurity.



Note: This is not an authorised version. The only authorised version is the hardcopy (printed) version published under authority of the Government Printer, available from the State Law Publisher, 10 William St Perth W.A. 6000.