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The GHS transport pictograms are the same as those recommended in the UN Recommendations on the Transport of Dangerous Goods, widely implemented in national regulations such as the U.S. Federal Hazardous Materials Transportation Act (49 U.S.C. 5101–5128) and D.O.T. regulations at 49 C.F.R. 100–185.
The hydroxyl radical has a very short in vivo half-life of approximately 10 −9 seconds and a high reactivity. [5] This makes it a very dangerous compound to the organism. [6] [7] Unlike superoxide, which can be detoxified by superoxide dismutase, the hydroxyl radical cannot be eliminated by an enzymatic reaction.
An organic peroxide is any organic compound containing oxygen (O) in the bivalent -O-O- structure and which may be considered a derivative of hydrogen peroxide, where one or more of the hydrogen atoms have been replaced by organic radicals, unless any of the following paragraphs applies:
This template produces a NFPA 704 safety square with optionally four hazard codes. It is designed to be used in a table. Primary use is through {{}}, the {{}} box and {{OrganicBox complete}} (chemical data pages).
There are many codes and standards regarding hydrogen safety in storage, transport, and use. These range from federal regulations, [3] ANSI/AIAA, [4] NFPA, [5] and ISO [6] standards. The Canadian Hydrogen Safety Program concluded that hydrogen fueling is as safe as, or safer than, compressed natural gas (CNG) fueling, [7]
Explosive Dangerous Goods have compatibility group letters assigned to facilitate segregation during transport. The letters used range from A to S excluding the letters I, M, O, P, Q and R. The example above shows an explosive with a compatibility group "A" (shown as 1.1A).
Dangerous goods in machinery or Dangerous goods in apparatus UN 3364: 4.1: Trinitrophenol (Picric acid), wetted, with not less than 10% water by mass UN 3365: 4.1: Trinitrochlorobenzene (Picryl chloride), wetted, with not less than 10% water by mass UN 3366: 4.1: Trinitrotoluene (TNT), wetted, with not less than 10% water by mass UN 3367: 4.1
HAZMAT Class 8 placard on a truck in Canada. 454 kg (1001 lbs) or more gross weight of a corrosive material. Although the corrosive class includes both acids and bases, the hazardous materials load and segregation chart does not make any reference to the separation of various incompatible corrosive materials from each other.