Health (Swimming Pools) Regulations 1964



    11. Chemical standards

    At all times when a swimming pool is in use the water shall contain

    (a) residual free chlorine in accordance with the scale set out in Table 3 and as determined with a Lovibond or equivalent comparator using D.P.D. tablets or by any method which has been approved in writing by the Executive Director, Public Health for use at that swimming pool;

    (b) water of a pH of between 7.0 and 7.8 when determined with a Lovibond or equivalent comparator using Phenol red as the indicator; and

    (c) where isocyanurate is used, not less than 30 and not more than 50 milligrams of isocyanurate per litre as determined by using Palin C.N.A. reagents or equivalent in conjunction with a Lovibond or equivalent comparator or by any method which has been approved in writing by the Executive Director, Public Health for use at the swimming pool.

    [Regulation 11 inserted in Gazette 16 Aug 1985 p. 2919.]



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.