[Code of Federal Regulations] [Title 40, Volume 5] [Revised as of July 1, 2004] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR58.11] [Page 210] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 58_AMBIENT AIR QUALITY SURVEILLANCE--Table of Contents Subpart B_Monitoring Criteria Sec. 58.11 Monitoring methods. Appendix C to this part contains the criteria to be followed in determining acceptable monitoring methods or instruments for use in SLAMS.