The proposed design change will replace the existing regulator manifold with the Matheson 53 Series mounting manifold, a Concoa Series 213 dual-sta…
Office of NEPA Policy and Compliance
March 3, 2026
Estimated Read Time min
The proposed design change will replace the existing regulator manifold with the Matheson 53 Series mounting manifold, a Concoa Series 213 dual-stage regulator, and an interstage PRV set at 375 psig will be installed downstream of the flexible metallic hose on the outlet of the P-10 gas cylinder.