ICAO. The International Civil Aviation Organization (ICAO, 999 University Street, Montreal, Quebec H3C 5H7, Canada).
ICAO Technical Instructions. The Technical Instructions for the Safe Transport of Dangerous Goods by Air, which complement Annex 18 to the Chicago Convention on International Civil Aviation (Chicago 1944), published by the International Civil Aviation
Organization (ICAO) in Montreal.
Ignition source. Anything that provides heat, spark or flame sufficient to cause combustion/explosion.
Ignition temperature. The minimum temperature to initiate or cause self-sustained combustion in the absence of any source of ignition.
IMDG Code. The International Maritime Dangerous Goods Code, for the implementation of Chapter VII, Part A, of the International Convention for the Safety of Life at Sea, 1974 (SOLAS Convention), published by the International Maritime Organization (IMO), London.
IMO. The International Maritime Organization (IMO, 4 Albert Embankment, London SE1 7SR, United Kingdom).
IMO type 4 tank means a road tank vehicle for the transport of dangerous goods of classes 3 to 9 and includes a semi-trailer with a permanently attached tank or a tank attached to a chassis, with at least four twist locks that account of ISO standards, (i.e. ISO International Standard 1161:1984).
IMO type 6 tank means a road tank vehicle for the transport of non-refrigerated liquefied gases of class 2 and includes a semi-trailer with a permanently attached tank or a tank attached to a chassis which is fitted with items of service equipment and structural equipment necessary for the transport of gases.
IMO type 8 tank means a road tank vehicle for the transport of refrigerated liquefied gases of class 2 and includes a semi-trailer with a permanently attached thermally insulated tank fitted with items of service equipment and structural equipment necessary for the transport of refrigerated liquefied gases.
Impervious. A material that does not allow another substance to pass through or penetrate it. Frequently used to describe gloves.
Inches of mercury column. A unit used in measuring pressures. One inch of mercury column equals a pressure of 1.66 kPa (0.491 psi).
Inches of water column. A unit used in measuring pressures. One inch of water column equals a pressure of 0.25 kPa (0.036 psi).
Incompatible. Materials which could cause dangerous reactions from direct contact with one another.
Ingestion. Taking in by the mouth.
Inhalation. Breathing of a substance in the form of a gas, vapor, fume, mist, or dust.
Inner packaging. A packaging for which an outer packaging is required for carriage;“Inner receptacle” means a receptacle which requires an outer packaging in order to perform its containment function.
Inner receptacles. Inner receptacles means receptacles which require an outer packaging in order to perform their containment function.
Inspection body. An independent inspection and testing body approved by the competent authority.
Intermediate bulk container (IBC). A rigid, or flexible portable packaging, other than those specified in Chapter 6.1, that:
(a) has a capacity of:
(i) not more than 3 m3 for solids and liquids of packing groups II and III;
(ii) not more than 1.5 m3 for solids of packing group I when packed in flexible,
rigid plastics, composite, fibreboard and wooden IBCs;
(iii) not more than 3 m3 for solids of packing group I when packed in metal IBCs;
(iv) not more than 3 m3 for radioactive material of Class 7;
(b) is designed for mechanical handling;
(c) is resistant to the stresses produced in handling and transport as determined by the tests specified in Chapter 6.5 (see also “Composite IBC with plastics inner receptacle”, “Fibreboard IBC”, “Flexible IBC”, “Metal IBC”, “Rigid plastics IBC” and “Wooden IBC”);
NOTE 1: Portable tanks or tank-containers that meet the requirements of Chapter 6.7 or6.8 respectively are not considered to be intermediate bulk containers (IBCs).
NOTE 2: Intermediate bulk containers (IBCs) which meet the requirements of Chapter6.5 are not considered to be containers for the purposes of ADR.
Intermediate packaging. A packaging placed between inner packagings or articles, and an outer packaging.
A chemical, which is not corrosive, but which causes a reversible inflammatory effect on living tissue by chemical action at the site of contact.Jerricans