Inner liner means a continuous layer of material placed inside a tank or container which protects the construction materials of the tank or container from the contained waste or reagents used to treat the waste.
Laser means light amplification by the stimulated emission of radiation.
Beam axis means a line from the source through the centers of the x-ray fields.
Universal Digital Loop Carrier (UDLC) means the DLC system that has a CO terminal channel bank that is connected to the CO switches on the analog side.
Fugitive dust emissions means particulate matter from process operations that does not pass through a process stack or vent and that is generated within plant property boundaries from activities such as: unloading and loading areas, process areas, stockpiles, stock pile working, plant parking lots, and plant roads (including access roads and haul roads).