[Code of Federal Regulations] [Title 40, Volume 22] [Revised as of July 1, 2007] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR142.310] [Page 677] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 142_NATIONAL PRIMARY DRINKING WATER REGULATIONS IMPLEMENTATION--Table of Subpart K_Variances for Small System Sec. 142.310 How can a person served by the public water system obtain EPA review of a State proposed small system variance? (a) Any person served by the public water system may petition the Administrator to object to the granting of a small system variance within 30 days after a State proposes to grant a small system variance for a public water system. (b) The Administrator must respond to a petition filed by any person served by the public water system and determine whether to object to the small system variance under Sec. 142.311, no later than 60 days after the receipt of the petition. EPA Review And Approval of Small System Variances