S.C. Code Regs. § § 61-79.264.BB.1056

Current through Register Vol. 48, 12, December 27, 2024

Section 61-79.264.BB.1056 - Standards: Openended valves or lines

(a)

(1) Each openended valve or line shall be equipped with a cap, blind flange, plug, or a second valve.

(2) The cap, blind flange, plug, or second valve shall seal the open end at all times except during operations requiring hazardous waste stream flow through the openended valve or line.

(b) Each openended valve or line equipped with a second valve shall be operated in a manner such that the valve on the hazardous waste stream end is closed before the second valve is closed.

(c) When a double block and bleed system is being used, the bleed valve or line may remain open during operations that require venting the line between the block valves but shall comply with paragraph (a) of this section at all other times.

S.C. Code Regs. § 61-79.264.BB.1056

Added by State Register Volume 16, Issue No. 12, eff December 25, 1992.