Standards - Pumps and valves in heavy liquid service, pressure relief devices in light liquid or heavy liquid service, and flanges and other connectors

1. Pumps and valves in heavy liquid service, pressure relief devices in light liquid or heavy liquid service, and flanges and other connectors must be monitored within five days by the method specified in subsection 2 of section 33.1-24-02-193 if evidence of a potential leak is found by visual, audible, olfactory, or any other detection method. 2. If an instrument reading of ten thousand parts per million or greater is measured, a leak is detected. 3. Timeframe. a. When a leak is detected, it must be repaired as soon as practicable, but not later than fifteen calendar days after it is detected, except as provided in section 33.1-24-02-189. b. The first attempt at repair must be made no later than five calendar days after each leak is detected. 4. First attempts at repair include the best practices described under subsection 5 of section 33.1-24-02-187. 5. Any connector that is inaccessible or is ceramic or ceramic-lined (for example, porcelain, glass, or glass-lined) is exempt from the monitoring requirements of subsection 1 and from the recordkeeping requirements of section 33.1-24-02-194.