Illinois Administrative Code
Title 35 - ENVIRONMENTAL PROTECTION
Part 721 - IDENTIFICATION AND LISTING OF HAZARDOUS WASTE
Subpart BB - AIR EMISSION STANDARDS FOR EQUIPMENT LEAKS
Section 721.958 - Standards: Pumps and Valves in Heavy Liquid Service, Pressure Relief Devices in Light Liquid or Heavy Liquid Service, and Flanges and Other Connectors

Universal Citation: 35 IL Admin Code § 721.958

Current through Register Vol. 48, No. 38, September 20, 2024

a) 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 Section 721.963(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) Repairs.

1) When a leak is detected, it must be repaired as soon as practicable, but not later than 15 calendar days after it is detected, except as provided in Section 721.959.

2) The first attempt at repair must be made no later than five calendar days after each leak is detected.

d) First attempts at repair include, but are not limited to, the best practices described under Section 721.957(e).

e) Any connector that is inaccessible or which is ceramic or ceramic-lined (e.g., porcelain, glass, or glass-lined) is exempt from the monitoring requirements of subsection (a) and from the recordkeeping requirements of Section 721.964.

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