25 Pa. Code § 273.421
The provisions of this § 273.421 adopted April 8, 1988, effective April 9, 1988, 18 Pa.B. 1681; reserved July 2, 1992, effective July 4, 1992, 22 Pa. B. 3389. Immediately preceding text appears at serial pages (126242) to (126244).
This section cited in 25 Pa. Code § 273.412 (relating to sewage sludge plan).