N.M. Code R. § 20.2.15.7
In addition to the terms defined in 20.2.2 NMAC (Definitions), as used in this Part:
C. "Process weight per hour" means a quantity derived by dividing the total process weight by the number of hours in the complete operation, excluding any time during which the equipment is idle.
[11/30/95; 20.2.15.7 NMAC - Rn, 20 NMAC 2.15.107 10/31/02]