Double Phase Aerosol Air Freshener means an aerosol air freshener with the liquid contents in two or more distinct phases that requires the product container be shaken before use to mix the phases, producing an emulsion.
Beam axis means a line from the source through the centers of the x-ray fields.
Dynamic driving task means the same as that term is defined in Section 41-26-102.1.
ATC means a measure of the transfer capability remaining in the physical transmission network for further commercial activity over and above already committed uses.
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.