Permeation devices, containing dangerous goods, for calibrating air quality monitoring

Chemical kit, 8, 9 Chemical sample, liquid, 6.1 Chemical sample, solid, 6.1 Chemical sample, toxic, liquid or solid, 6.1 First aid kit, 9 Gas identification set, 2.3 Gas sample, non-pressurised, n.o.s., not refrigerated liquid, 2.1, 2.3 Permeation devices, containing dangerous goods, for calibrating air quality monitoring Samples, explosive other than initiating explosives, 1 

Chemical kits describe any container housing small quantities of different chemicals used for medical, analytical, or testing purposes. The individual chemicals may exhibit one or more hazards, although they must be compatible with the other contents. First aid kits are convenient packages or boxes of medical supplies to provide immediate and sometimes makeshift medical attention. They may include multiple different materials, some of which will be hazardous (e.g., drugs, alcohols, mercury in thermometers)  

Gas samples are taken by equipment that draws the gas stream into empty vials or through tubes containing some absorbent that concentrates the sample. Many systems analyse the sample in situ using colour indicators, gas chromatographs, or solid state analysers. Other gas samples are transported in sealed containers for analysis, but they are rarely under pressure. 

A gas identification set includes containers of small quantities of various gases of known concentration that are used as standards against which to calibrate analytical equipment. Permeation devices contain small containers of compressed or liquefied gases that, on opening, pass through a gas permeable membrane at a known rate and constant temperature. They are also used for calibration. 

see Terminology, Solid, p.247 Toxic, see Toxic Substances and Division 6.1, p.255 ov Ammunition, Toxic, p.l9 

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See also in sourсe #XX -- [ ]

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