40 CFR Subpart NN
Pennsylvania
June 9, 2020
§
147.1950
State-administered program. [Reserved]
§
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