[Code of Federal Regulations] [Title 40, Volume 8] [Revised as of July 1, 2007] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR61.242-8] [Page 161-162] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 61_NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS --Table of Contents Subpart V_National Emission Standard for Equipment Leaks (Fugitive Emission Sources) Sec. 61.242-8 Standards: Pressure relief services in liquid service and connectors. (a) If evidence of a potential leak is found by visual, audible, olfactory, or any other detection method at pressure relief devices in liquid service and connectors, the owner or operator shall follow either one of the following procedures, except as provided in Sec. 61.242- 1(c): (1) The owner or operator shall monitor the equipment within 5 days by the method specified in Sec. 61.245(b) and shall comply with the requirements of [[Page 162]] paragraphs (b) through (d) of this section. (2) The owner or operator shall eliminate the visual, audible, olfactory, or other indication of a potential leak. (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. 61.242-10. (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. 61.242-7(e). [49 FR 23513, June 6, 1984; 49 FR 38946, Oct. 2, 1984, as amended at 65 FR 78282, Dec. 14, 2000]