Control device means equipment (such as an incinerator or carbon adsorber) used to reduce, by destruction or removal, the amount of air contaminants in an air stream prior to discharge to the ambient air.
Traffic control device means a flagger, sign, signal, marking, or other device used to regulate, warn or guide traffic, placed on, over, or adjacent to a street, highway, private road open to public travel, pedestrian facility, or shared-use path by authority of a public agency or official having jurisdiction, or, in the case of a private road open to public travel, by authority of the private owner or private official having jurisdiction.
Assistive technology device means any item, piece of equipment, or product system that is used to increase, maintain, or improve the functional capacities of a child with a disability.
Traffic control signal means a device, whether manually, electrically, or mechanically operated, by which traffic is alternately directed to stop and permitted to proceed.
Certified cabinet x-ray system means an x-ray system that has been certified in accordance with 21 CFR 1010.2 as being manufactured and assembled pursuant to the provisions of 21 CFR 1020.40.
Secondary dose monitoring system means a system which will terminate irradiation in the event of failure of the primary dose monitoring system.
Engineering control means the use of substitution, isolation, ventilation, and equipment modification to reduce exposure to SARS-CoV-2 virus and COVID-19 disease related workplace hazards and job tasks.
Analytical x-ray system means a group of components utilizing x-rays to determine the elemental composition or to examine the microstructure of materials.
Primary dose monitoring system means a system which will monitor the useful beam during irradiation and which will terminate irradiation when a preselected number of dose monitor units have been delivered.
Backflow prevention device means a safety device used to prevent pollution or contamination of the water supply due to the reverse flow of water from the irrigation system.
Cephalometric device means a device intended for the radiographic visualization and measurement of the dimensions of the human head.
aerodrome control service means air traffic control service for aerodrome traffic;
Controlled substance analog means a substance the chemical structure of which is substantially
border control means the control of persons carried out at a border in response exclusively to an intention to cross or the act of crossing that border, regardless of any other consideration, consisting of border checks at border crossing points and border surveillance between border crossing points;
Spot-film device means a device intended to transport or position a radiographic image receptor between the x-ray source and fluoroscopic image receptor. It includes a device intended to hold a cassette over the input end of an image intensifier for the purpose of making a radiograph.
Stationary internal combustion engine means a spark or compression ignited, reciprocating internal combustion engine which is not a portable emission unit.
Radiopharmaceutical quality assurance means, but is not limited to, the performance of appropriate chemical, biological, and physical tests on potential radiopharmaceuticals and the interpretation of the resulting data to determine their suitability for use in humans and animals, including internal test assessment, authentication of product history, and the keeping of proper records.
Monitoring device means the total equipment used to measure and record (if applicable) process parameters.
Interconnection Feasibility Study means either a Generation Interconnection Feasibility Study or Transmission Interconnection Feasibility Study.
Assisted amusement device means an amusement device, skill device, or ride
Cabinet x-ray system means an x-ray system with the x-ray tube installed in an enclosure independent of existing architectural structures except the floor on which it may be placed. The cabinet x-ray system is intended to contain at least that portion of a material being irradiated, provide radiation attenuation, and exclude personnel from its interior during generation of radiation. Included are all x-ray systems designed primarily for the inspection of carry-on baggage at airline, railroad, and bus terminals, and in similar facilities. An x-ray tube used within a shielded part of a building, or x-ray equipment that may temporarily or occasionally incorporate portable shielding, is not considered a cabinet x-ray system.
Area Control Error or “ACE” shall mean the instantaneous difference between a Balancing Authority’s net actual and scheduled interchange, taking into account the effects of Frequency Bias and correction for meter error.
Official traffic-control devices means all signs, signals, markings, and devices not inconsistent with this chapter placed or erected by authority of a public body or official having jurisdiction, for the purpose of regulating, warning, or guiding traffic.
medical device means any instrument, apparatus, appliance, software, implant, reagent, material or other article intended by the manufacturer to be used, alone or in combination, for human beings for one or more of the following specific medical purposes:
Control apparatus means any device which prevents or controls the emission of any air contaminant directly or indirectly into the outdoor atmosphere.
air traffic control service means a service provided for the purpose of: