Letter I

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IAFF International Association of Firefighters
IAQ Indoor Air Quality - a general term combining a multitude of issues related to complaints by the occupants of buildings about illnesses or discomfort resulting from being in the building. Typically, no single agent or easily recognized group of agents is present in excess of a PEL or TLV.
IARC Internation Agency for Research on Cancer, affiliated with WHO
IATA International Air Transport Association
IBR Incorporated By Reference
IC Incident Command
ICAO International Civil Aviation Organization
ICC Interstate Commerce Commission, an agency of the US Governemt The ICC bar is a horizontal bar at the rear of moderate and large trucks required by ICC regulation and intended to prevent a following automobile from sliding under the truch in a collision.
ICP Incident Command Post
ICP Inductively Coupled Plasma, an analytical method based on atomic emission.
ICS Incident Command System Procedure for emergency management used by fire departments and other emergency response teams
ID Inside Diameter
IDLH Immediately Dangerous to Life and Health. As defined by NIOSH This represents a mazimum concentration from which one could escape within 30 minutes without any escape-impairing symptoms or any irreversible health effects. Note that the NIOSH definition addresses airborne concentration only. It does not consider direct contact with liquids, etc
IEC International Electrotechnical Commission
IEUBK integrated exposure uptake biokinetic model (lead levels)
IH Industrial Hygiene (In Europe, this is usually called Occupational Hygiene)
IHIT Industrial Hygienist in Training, designation given to one who has completed the first half of the examination process for CIH. Valid for no more than 10 years.
IHMM Institute of Hazardous Materials Management. Responsible for Certified Hazardous Materials Manager (CHMM) program and certification
IIPP Injury and Illness Prevention Program (required under California regulations)
ILCI International Loss Control Institute. Address is 4546 Atlanta Highway, P.O. Box 345, Loganville, Georgia 30249, USA
ILO International Labor Organization, international agency of the United Nations which addresses labor issues. Has an interest in occupational safety and health issues, and publishes useful reference materials.
IMO International Maritime Organization
IMS Ion Mobility Spectrometry
INUR Inventory Update Rule
IOHS International Occupational Hygiene Society, international organization of national occupational/industrial hygiene societies
IOSH Institution of Occupational Safety and Health, a UK based professional association.
IP Industrial Plus
IPCC Intergovernmental Panel on Climate Control
IPS Iron Pipe Standard
IR Infrared light or infrared spectrophotometer (IR is lower energy than visible, also known as heat waves)
IS Interim Status (for a TSDF)
ISD Interim Status Document
ISEA Industrial Safety Equipment Association
ISO International Organization for Standardization
ISTAS Instituto Sindical de Trabajo Ambiente y Salud
IUPAC International Union of Pure and Applied Chemistry
IWMB California Integrated Waste Management Board (Cal/EPA)

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