Title 40--Protection of Environment
(This index contains parts 52.1019 to End)
CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY
Part
52
Approval and promulgation of implementation plans
![[BACK ]](https://webarchive.library.unt.edu/eot2008/20090510015257im_/http://www.access.gpo.gov/su_docs/images/icons/lefticn2.gif){kind=icon}