§ 18.27. Swimming pool contamination.
The water in a swimming pool or wading pool shall be considered contaminated when one of the following conditions exist:
(1) More than one 10-milliliter portion of a sample shows a positive test for coliform organisms when multitube fermentation technique is used or more than one coliform per 50 milliliters when the membrane filter test is used.
(2) Two consecutive samples show a positive test for coliform organisms in any 10-milliliter portion of a sample when the multitube fermentation technique is used or more than one coliform per 50 milliliters when the membrane filter test is used.
(3) Two of any 10 consecutive samples show a positive test for coliform organisms in any of the 10-milliliter portions of a sample when the multitube fermentation technique is used or more than one coliform per 50 milliliters when the membrane filter test is used.
Source The provisions of this § 18.27 adopted September 18, 1971, effective September 18, 1971, 1 Pa.B. 1921.
Cross References This section cited in 28 Pa. Code § 18.23 (relating to recirculation and filtration); and 28 Pa. Code § 18.30 (relating to water samples).
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