Glossary D
A Direct Digital Controls (DDC) is the application of microprocessor technology to building Environmental controls.
A Direct Discharger is a municipal or industrial facility which introduces Pollution through a defined conveyance or system such as outlet pipes; a point source.
A Direct Filtration is a method of treating water which consists of the addition of coagulent chemicals, Flash mixing, coagulation, minimal
A Direct Fired Heater (DFH) is Direct fired heaters, or bunk heaters, are devices that can reduce idling by providing in-cabin Heat for drivers in cold temperatures.
A Direct Push is Technology used for performing subsurface investigations by driving, pushing, and/or vibrating small-diameter hollow steel rods into the ground/ Also known as direct
A Direct radiation is Sunlight received directly, which has traveled in a straight path from the sun, also referred to as beam radiation.