SUBPART NN—Pennsylvania (§147.1950 to §147.1955)
- 147.1951—EPA-administered program.
- 147.1952—Aquifer exemptions.
- 147.1953—Existing Class I, II (except enhanced recovery and hydrocarbon storage) and III wells authorized by rule.
- 147.1954—Existing Class II enhanced recovery and hydrocarbon storage wells authorized by rule.
- 147.1955—Requirements for wells authorized by permit.