[Code of Federal Regulations] [Title 40, Volume 30] [Revised as of July 1, 2004] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR1065.150] [Page 659] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 1065_TEST PROCEDURES AND EQUIPMENT--Table of Contents Subpart B_Equipment and Analyzers Sec. 1065.150 Flow meters. (a) Flow meters must have accuracy and precision of 2 percent of point or better and be traceable to NIST standards. (b) You may correct flow measurements for temperature or pressure, if your temperature and pressure measurements have accuracy and precision of 2 percent of point or better (absolute).