Double check valve assembly means an assembly composed of two single, independently acting, check valves including tightly closing shutoff valves located at each end of the assembly and suitable connections for testing the watertightness of each check valve.
Competitive Local Exchange Carrier (CLEC) means a telephone company certificated by the Commission to provide local Exchange Service within AT&T-21STATE’s franchised area.
Multiregional Modeling Working Group or “MMWG” shall mean the NERC working group that is charged with multi-regional modeling.
Conventional filtration treatment means a series of processes including coagulation, flocculation, sedimentation, and filtration resulting in substantial particulate removal.
Calibration gas means a gas mixture used to calibrate gas analysers.