[Code of Federal Regulations] [Title 40, Volume 24] [Revised as of July 1, 2004] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR264.1058] [Page 392-393] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 264_STANDARDS FOR OWNERS AND OPERATORS OF HAZARDOUS WASTE TREATMENT, STORAGE, AND DISPOSAL FACILITIES--Table of Contents Subpart BB_Air Emission Standards for Equipment Leaks Sec. 264.1058 Standards: Pumps and valves in heavy liquid service, pressure relief devices in light liquid or heavy liquid service, and flanges and other connectors. (a) Pumps and valves in heavy liquid service, pressure relief devices in light liquid or heavy liquid service, and flanges and other connectors shall be monitored within 5 days by the method specified in Sec. 264.1063(b) if evidence of a potential leak is found by visual, audible, olfactory, or any other detection method. (b) If an instrument reading of 10,000 ppm or greater is measured, a leak is detected. (c)(1) When a leak is detected, it shall be repaired as soon as practicable, but not later than 15 calendar days after it is detected. except as provided in Sec. 264.1059. (2) The first attempt at repair shall be made no later than 5 calendar days after each leak is detected. (d) First attempts at repair include, but are not limited to, the best practices described under Sec. 264.1057(e). (e) Any connector that is inaccessible or is ceramic or ceramic- lined (e.g., [[Page 393]] porcelain, glass, or glass-lined) is exempt from the monitoring requirements of paragraph (a) of this section and from the recordkeeping requirements of Sec. 264.1064 of this subpart. [55 FR 25501, June 21, 1990, as amended at 61 FR 59952, Nov. 25, 1996]