A deviation from approved plans or specifications affecting the safety of bathers, treatment process or quality of water shall be approved by the Department in writing before the changes are made. A treatment process or protective measure may not be added to, altered or discontinued without securing appropriate approval from the Department.

Source

The provisions of this § 18.7 adopted September 18, 1971, effective September 18, 1971, 1 Pa.B. 1921.