When EPA is directed to revise a regulation it publishes a proposed rule. The proposed rule includes all the ideas EPA has for how to improve the rule. The publication of the proposed rule is also a way to ask the public for input.

• Proposed revisions to public notification rules published 64 FR 25964 May 13, 1999 (PDF) Proposed revisions to public notification rules published 64 FR 25964 May 13, 1999

• Response to comments received on the PN proposed rule (PDF)(231 pp, 455 K, March 3, 2000)
  Response to comments received on the PN proposed rule