Term
|
Definition
| A guidebook for first responder during the initial phase of a dangerous good/ Hazardous material incident |
|
|
Term
|
Definition
| Actions taken to reduce the amount of hazard, or intensity released or threatened |
|
|
Term
|
Definition
|
|
Term
|
Definition
| Material that picks up and holds liquid that may be hazardous. This will help prevent the contaminate to spread |
|
|
Term
|
Definition
| The process of applying a material (an absorbent) that will soak up and hold a hazardous material in a sponge like manner, for collection and disposal |
|
|
Term
|
Definition
| A risk, judged to be outweighed by corresponding benefits |
|
|
Term
|
Definition
|
|
Term
|
Definition
| One of the large class of chemical with properties of sour taste and when tested the litmus paper turns red |
|
|
Term
|
Definition
|
|
Term
|
Definition
| Rapid effects to humans or animal body, caused by exposure to chemical or physical agent |
|
|
Term
|
Definition
| Rapid effects resulting from a single dose or exposure to substance |
|
|
Term
|
Definition
| Dispersion of particles of microscopic size in a gaseous medium |
|
|
Term
|
Definition
| Shipping paper prepared from a bill of lading (for airplanes) |
|
|
Term
|
Definition
| Meteorological condition in the earth's atmosphere, where the air temperature is higher than the air on the earth's surface. |
|
|
Term
|
Definition
| Mathematical models used to predict movement and concentrations of airborne chemicals in the atmosphere |
|
|
Term
|
Definition
| Observation recording and detection pollutants in ambient air |
|
|
Term
|
Definition
| Substance will ignite when exposed to air |
|
|
Term
|
Definition
| Pollutants that are carried in air |
|
|
Term
|
Definition
| Resources dispatched to an incident that have not yet checked in with the incident command system |
|
|
Term
|
Definition
| Alpha particles are heaviest and most highly charged of the nuclear particles. They cannot travel more than a few inches and cannot penetrate the outer skin. Only hazardous when ingested |
|
|
Term
|
Definition
| American National Standards Institute |
|
|
Term
|
Definition
| Vapour or gas that can cause unconsciousness or death by suffocation |
|
|
Term
|
Definition
| Can cause death through displacement of the oxygen in the air or in the blood stream |
|
|
Term
|
Definition
| Resources checked in and assigned work task on an accident |
|
|
Term
|
Definition
| Directly contributing suppression, rescue, support, or service resources to another agency |
|
|
Term
|
Definition
| Resources assigned to an incident, available for assignment |
|
|
Term
|
Definition
| Are smaller and faster the alpha particles. Can travel several millimeters through tissue but will not penetrate to vital organs. Slight hazard with long periods of exposure |
|
|
Term
|
Definition
| Bacteria, virus, rickettsia or toxin. They spread rapidly and cause disease or death. (inhalation, ingestion, absorption and injection) |
|
|
Term
|
Definition
| Boiling, Liquid, Expanding, Vapour, Explosion (container failure) |
|
|
Term
|
Definition
| The temperature at which a liquid changes to a vapour state |
|
|
Term
|
Definition
| Violent expulsion of oil and forth from a tank due to the rapid expansion of water in steam |
|
|
Term
|
Definition
| Penetration of challenge material(s) through a gas or a vapour air-purifying element or fabric |
|
|
Term
|
Definition
|
|
Term
|
Definition
| Portion of a property where flammable or combustible liquids are received |
|
|
Term
|
Definition
| A cap screw used to cover the small opening in the top of a drum of a barrel |
|
|
Term
|
Definition
| Maximum allowable human exposure limit (no to be exceeded) |
|
|
Term
|
Definition
| Canadian Transport Emergency Centre |
|
|
Term
|
Definition
| A bottle or rectangular container for liquids of 22.5L to 67.5L (5 to 15 gallons) capacity that is made of glass, plastic or metal and is often cushioned in a protective container |
|
|
Term
|
Definition
| Substance or agent capable of causing or producing cancer in mammals |
|
|
Term
|
Definition
| Shipping papers used for ships |
|
|
Term
|
Definition
| Chemical, Biological, Radiological, Nuclear and Explosive |
|
|
Term
|
Definition
|
|
Term
|
Definition
| Regulated or non regulated hazardous material |
|
|
Term
|
Definition
| Can include substances that impede nerve transmission, Blister agents, block transport of oxygen in blood, cause choking or even respiratory distress |
|
|
Term
|
Definition
| A group of single elements or compounds with a common name |
|
|
Term
|
Definition
| Chemical Transportation Emergency Centre |
|
|
Term
|
Definition
| An adverse effect on human or animal body |
|
|
Term
|
Definition
| Repeated dose of or exposure to the substance over a relatively prolonged period of time |
|
|
Term
|
Definition
| A material or device that presents a maximum hazard and function by detonation |
|
|
Term
|
Definition
| Poisonous liquid or gas that may be dangerous to life |
|
|
Term
|
Definition
| Liquid or solids that afford a hazard to health during transportation |
|
|
Term
|
Definition
| Contains restricted quantities of either Class A or Class B explosives or both, but presents minimum hazards |
|
|
Term
|
Definition
| Plain English in radio communication transmission |
|
|
Term
|
Definition
| Carbon Monoxide, a colourless odourless, flammable and very toxic gas produced by the incomplete combustion of carbon |
|
|
Term
|
Definition
| Carbon Dioxide, a heavy, colourless gas produced by complete combustion and decomposition of organic substances. Relatively non-toxic (high concentration, especially in confined spaces, can create hazardous oxygen deficient environments). Is an asphixiant |
|
|
Term
|
Definition
| Contains the command post and any other support function that are deemed necessary to control an incident (clean zone or support zone) |
|
|
Term
|
Definition
| Sudden fracture of a container or structure accompanied of a flammable mixture within a container or structure. Producing a gas pressure greater than the container or structure can withstand |
|
|
Term
|
Definition
| Vehicle (trailer or mobile van) Used to provide the major part of an incident communication centre |
|
|
Term
|
Definition
| The acting of directing, ordering, and/ or controlling resources by virtue of explicit legal, agency, or delegated authority |
|
|
Term
|
Definition
| The command staff consists of the information officer, safety officer, and liaison officer. They all report directly to the incident commander |
|
|
Term
|
Definition
| Any piece of equipment having full complement of a personnel |
|
|
Term
|
Definition
| Possessing knowledge, skills and judgement needed to perform indicated objectives satisfactorily |
|
|
Term
|
Definition
| Enclosed in a container, has a absolute pressure exceeding 275.8 kpa (40 psi) or 965.3 (140psi) |
|
|
Term
| Compressed gas in Solution |
|
Definition
| Non-liquefied gas but in solution is high pressure |
|
|
Term
|
Definition
| The relative amount of a substance when combined or mixed with other substances |
|
|
Term
|
Definition
| procedures taken to keep a material in a defined or local area |
|
|
Term
|
Definition
| Limited or restricted means for entry and exit is not designed for continuous human occupancy |
|
|
Term
|
Definition
| Person who receives the shipping papers |
|
|
Term
|
Definition
| List of cars in a train, in order or list of those cars carrying hamates and their location on the train |
|
|
Term
|
Definition
| Any bag, barrel, bottle, box can, cylinder, drum, reaction vessel, storage tank, or the like that contains a hazardous material |
|
|
Term
|
Definition
| Procedures taken to keep a material in a specified area such as a dyke |
|
|
Term
|
Definition
| Hazardous material that physically remains on or in people, animals, the environment, or equipment |
|
|
Term
|
Definition
| Process of transferring a hazardous material from its source to people, animals, the environment, or equipment |
|
|
Term
|
Definition
| The process by which a contaminant is carried out of the hot zone and is transferred to another person or object |
|
|
Term
|
Definition
| Techniques and methods used in the mitigation of a hazardous material |
|
|
Term
|
Definition
| Any material that is used to contain or extinguish a hazardous material or its vapours |
|
|
Term
|
Definition
| Designation of areas at a hazardous material incident based upon safety and the degree of hazards |
|
|
Term
|
Definition
| Systematically analyzing a situation, developing relevant information, and informing appropriate command authority. (Meet specific objectives) |
|
|
Term
|
Definition
| Action taken by the incident commander to correct the problem at hand during a hazmat/ terrorist emergency |
|
|
Term
|
Definition
| A corrosive material is a liquid or solid that causes visible destruction or irreversible alteration in human skin tissue at the site of contact |
|
|
Term
|
Definition
| Gases that must be cooled to a low temperature to bring about change from gas to liquid |
|
|
Term
|
Definition
| Shipping papers used on ships of all hazardous materials on board |
|
|
Term
|
Definition
| Breakdown of material or substances |
|
|
Term
| Decontamination (contamination reduction) |
|
Definition
| Reducing and preventing the spread of contamination from personnel and equipment |
|
|
Term
|
Definition
| Usually located in the warm zone |
|
|
Term
|
Definition
| Propagation of burning that takes place at speed below the speed of sound |
|
|
Term
|
Definition
| A chemical action involving the breakdown of a protective clothing material due to contact with a chemical |
|
|
Term
|
Definition
| To show, by actual use. This may be supplemented by simulation, explanation, illustration or a combination of these |
|
|
Term
|
Definition
| Adverse effects resulting from skin exposure to a substance |
|
|
Term
|
Definition
| Used on, or applied to the skin |
|
|
Term
|
Definition
| An extremely rapid reaction that generates a shock wave which passes along the body of an explosive, at speeds greater than sound, - a violently disruptive effect |
|
|
Term
|
Definition
| Temporary walls constructed to halt the flow of liquid substance |
|
|
Term
|
Definition
| An ordinary explosive device containing some radioactive material (radiological dispersal device) |
|
|
Term
|
Definition
| Facility from which resources are directly assigned to an incident |
|
|
Term
|
Definition
| Respirators that are discarded after the end of it recommended period of use |
|
|
Term
|
Definition
| Organization level having responsibility for operations within a defined geographic area or with a functional responsibility |
|
|
Term
|
Definition
| The circular cover on the top of the tank of a car that contains valves and relief valves |
|
|
Term
|
Definition
| Any finely divided solid material, Usually smaller than 420 microns in size |
|
|
Term
| Dust and Mist Respirators |
|
Definition
| Respirators approved for the use against dust or mist that may cause pneumoconiosis and fibrosis |
|
|
Term
|
Definition
A document that assigns responsibility to organizations and individuals for carrying out specific actions at project times and places in an emergency
Emergency Response Guidebook(ERG) - Reference book with initial action at the incident scene |
|
|
Term
| Emergency Respirator Use situation |
|
Definition
| A situation that requires the use of respirators due to unplanned generation of hazardous atmosphere |
|
|
Term
|
Definition
| The means of operating a valve that stops the flow of substances |
|
|
Term
|
Definition
| The actual or potential area exposure from a hazardous material |
|
|
Term
|
Definition
| Any ground vehicle providing specified level of pumping, water, hose capacity, and personnel |
|
|
Term
|
Definition
| The science that deals with the study of disease in a general population |
|
|
Term
|
Definition
| Chemical equilibrium is a condition in which a reaction and its opposite or reverse reaction occurs at the same rate. Physical equilibrium is exhibited when two or more phases of a system are changing at the same rate so that the net change in the system is zero. |
|
|
Term
|
Definition
| Consists of a half mask face piece or a mouthpiece, a canister, and associated connections and that is designed for use during escape only from hazardous atmospheres |
|
|
Term
|
Definition
| Respiratory devices that are designed for the use during escape from hazardous atmosphere |
|
|
Term
|
Definition
| An agent that produces and effect (living microorganism that may cause human disease) |
|
|
Term
|
Definition
| The rate at which a particular material will vaporize as compared to the rate of evaporation of a known material. The evaporation rate can be useful in evaluation the health of fire hazards of a material. |
|
|
Term
|
Definition
| A safety valve designed to shut off the flow of liquid when the flow exceeds a preset rate |
|
|
Term
|
Definition
| Any chemical compound, mixture or device, the primary purpose of which is to function by explosion |
|
|
Term
|
Definition
| A range of concentration of a mixture of flammable vapour or gas in air, usually expressed in percent by volume |
|
|
Term
|
Definition
| Environment or property that may be exposed to the harmful effects of a hazardous material emergency |
|
|
Term
|
Definition
| An element of a system that is the return of a portion of the output and the input. This allows the system to evaluate itself |
|
|
Term
|
Definition
| A particular respirator with a filter as an integral part piece composed of filtering medium |
|
|
Term
|
Definition
| The lowest temperature of a liquid at which vapour are evolved fast enough to support a continuous combustion |
|
|
Term
| First Responder at the Awareness level |
|
Definition
| Expected to recognize the presence of hazardous material, protect themselves, call for trained personnel, and secure the scene |
|
|
Term
|
Definition
| Quantitative measure of the fit of a specific respirator face piece to a particular individual |
|
|
Term
|
Definition
| The point where the flame contact the surface of a container |
|
|
Term
|
Definition
| Flammable liquid is defined by NFPA as liquid with a flash point below 37C (100F). Flammable solids are when the solid will ignite readily or are liable to cause fire under ordinary conditions of transportation through friction or retained heat from manifesting or processing, and which burn so vigorously and persistently as to create a serious transportation hazard. |
|
|
Term
|
Definition
| LFL of 13% or below, or a flammable range of 12% |
|
|
Term
|
Definition
| Easily ignited and of burning rapidly |
|
|
Term
|
Definition
| Cause fire through friction, retain heat from manufacturing or processing , or that can be ignited readily |
|
|
Term
|
Definition
| The lowest temperature at which a liquid substance gives off flammable vapours sufficient to form ignitable mixture. Combustion is not continuous at the flash point |
|
|
Term
|
Definition
| Re-ignition of flammable liquid caused by exposure of its vapours to an ignition source |
|
|
Term
|
Definition
| A type of roof used on oil tanks to stop evaporation loss and reduce the fire hazard by reducing the vapour space over the liquid |
|
|
Term
|
Definition
| Vehicle capable of dispensing food to incident personnel |
|
|
Term
|
Definition
| Conventional scientific designation for a material |
|
|
Term
|
Definition
| A steady, slow frothing over the tank without the sudden action that occurs in a boil over |
|
|
Term
|
Definition
| Any vehicle capable of supplying fuel to ground or airborne equipment |
|
|
Term
|
Definition
| A solid condensation particle |
|
|
Term
|
Definition
| - The plugs close the safety relief device channel under normal condition, and are intended to yield or melt at a set of temperature to permit the escape of gas |
|
|
Term
|
Definition
| A type of electromagnetic radiation transmitted through space in the form of waves. They are the most penetrating type of radiation |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
| A system for exhausting air containing contaminants |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
| The time required for an unstable element or nuclide to lose one half of its radioactive intensity |
|
|
Term
|
Definition
| Schematic drawing of the location of all cargo on a ship (stowage plan) |
|
|
Term
|
Definition
|
|
Term
|
Definition
| A condition that is capable of posing a risk to health, safety, or the environment |
|
|
Term
|
Definition
| A substance that poses a risk to life, the environment, or property, when released from it container |
|
|
Term
| Hazardous Material Response Team |
|
Definition
| A group of trained response personnel operating under an emergency response plan. They control or minimize or eliminate the hazard |
|
|
Term
|
Definition
Burning vapour layer on the top of tank
High Temperature Protective Clothing - Protective clothing designed to protect the wearer for short-term high temperature exposures |
|
|
Term
|
Definition
| Immediately surrounding a hazardous materials incident that extends far enough to prevent adverse effects from hazardous material releases to personnel outside the zone (exclusion zone or restricted zone) |
|
|
Term
|
Definition
| Immediately Danger to Life and Health (maximum level of concentration) |
|
|
Term
|
Definition
|
|
Term
|
Definition
| Minimum temperature to which a substance must be heated in order to initiate self sustained combustion |
|
|
Term
|
Definition
| Any mechanical, electrical or chemical device used to intentionally initiate combustion and start a fire |
|
|
Term
|
Definition
| Occurrence or event that require action by the emergency services personnel to prevent or minimize loss or life or damage to property and/ or natural resources |
|
|
Term
|
Definition
| Prepared at initial meeting of incident command, contains general control objectives reflecting the overall incident strategy and specific action plans |
|
|
Term
|
Definition
| Primary logistic function are coordinated and administered |
|
|
Term
| Incident Management System (IMS) |
|
Definition
| Combination of facilities, equipment, personnel, procedures and communication, operating within a common organizational structure, with responsibility for management |
|
|
Term
|
Definition
| Person responsible (and accountable) |
|
|
Term
|
Definition
| Beginning stage of a fire |
|
|
Term
|
Definition
| Materials that could cause dangerous reaction from direct contact with one another |
|
|
Term
|
Definition
| A cargo container such as a box or a drum |
|
|
Term
|
Definition
|
|
Term
|
Definition
| To intake a substance through the mouth |
|
|
Term
|
Definition
| Breathing a substance in form of a gas, vapour, fume, mist or dust |
|
|
Term
|
Definition
| Substance that prevents or slow down a process or reaction |
|
|
Term
|
Definition
| Resources initially committed to an incident |
|
|
Term
|
Definition
| A substance, which, by contact in sufficient concentration for a sufficient period of time, will cause an inflammatory response or reaction of the eye, skin or respiratory system |
|
|
Term
|
Definition
| Solid, liquid or when exposed to air, gives off dangerous/ intensely irritating fumes |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
| 10cm (4") square diamond-shaped markers |
|
|
Term
|
Definition
|
|
Term
|
Definition
| Laboratory tests, is expected to kill 50% of a group test animals (material in the air) |
|
|
Term
|
Definition
|
|
Term
|
Definition
| Laboratory test expect to kill 50% of group of animals (single dose) |
|
|
Term
|
Definition
| Lower Explosive Limit (known as "LFL" Lower Flammable Limit). Lower concentration that will produce a flash of fire when an ignition source is present |
|
|
Term
|
Definition
| Methane, ethane, propane and butane |
|
|
Term
|
Definition
| Can be liquefied under moderate pressure |
|
|
Term
|
Definition
| System for capturing and exhausting contaminants from the air at the point where contaminants are produced |
|
|
Term
|
Definition
| Designed to operate at pressure above 3.4kpa |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
| Material safety Data Sheets (MSDS) |
|
Definition
| Minimum Information about the chemical composition, physical and chemical properties, health and safety hazards, emergency response, and waste disposal |
|
|
Term
|
Definition
| Powered device such as a motor driven fan or air stream venturi tube for exhausting contaminants from a workplace, vessel or enclosure |
|
|
Term
|
Definition
| Temperature at which a solid substance changes to a liquid state |
|
|
Term
|
Definition
|
|
Term
|
Definition
| Milligrams per cubic meter |
|
|
Term
|
Definition
|
|
Term
|
Definition
| Ministry of the Environment |
|
|
Term
|
Definition
|
|
Term
|
Definition
| A liquid ability to mix with water and form a homogeneous mixture |
|
|
Term
|
Definition
| A liquid condensation particle |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
| Off incident location at which emergency service personnel and equipment are temporarily located pending assignment, released or reassignment |
|
|
Term
|
Definition
| Instruments and devices used to identify and quantify contaminants |
|
|
Term
|
Definition
| A substance or agent capable of altering the genetic material in a living cell |
|
|
Term
|
Definition
| Alteration of the inherited material |
|
|
Term
|
Definition
| Nitrogen. A colourless, odourless and tasteless gas will not support combustion |
|
|
Term
|
Definition
| National Fire Protection Association |
|
|
Term
|
Definition
| Disrupts the nerve transmission and causes sweating, tearing eyes, muscle twitching, tremors, difficulty breathing |
|
|
Term
|
Definition
|
|
Term
|
Definition
| Entirely gaseous at 21C (70F) |
|
|
Term
|
Definition
| Not otherwise stated or Not otherwise specified |
|
|
Term
|
Definition
|
|
Term
|
Definition
| Occupational Health and Safety Act |
|
|
Term
|
Definition
| Relating to the sense of smell. The olfactory organ in the nasal cavity is the sensing element that detects odours and transmits information to the brain through the olfactory nerves |
|
|
Term
|
Definition
| The period of time scheduled for execution of a given set of operational actions as specified in the incident action plan. |
|
|
Term
|
Definition
|
|
Term
|
Definition
| Adverse effect resulting in taking a substance into the body by ingestion |
|
|
Term
|
Definition
| Organic derivative of the inorganic compound hydrogen peroxide |
|
|
Term
|
Definition
| A respirator that covers the nose and mouth and generally consists of a quarter or half face piece |
|
|
Term
|
Definition
| Other Regulated Materials. Materials that do not meet the definition of a hazardous material but still possesses enough hazard to require regulation |
|
|
Term
|
Definition
| Aerial photographs of locations with the geographic measurements |
|
|
Term
|
Definition
| Unavailable of various reasons |
|
|
Term
|
Definition
| Oxidation is a reaction in which a substance combines with oxygen, provided by an oxidizer or oxidizing agent |
|
|
Term
|
Definition
| The descriptive name, instruction, cautions, weight, or specification marks required to be placed on outside containers of hazardous materials |
|
|
Term
|
Definition
| Any container that holds a material (hazardous or nonhazardous) |
|
|
Term
|
Definition
| Any packaging, including transport vehicles, having a liquid capacity or more than 450 L (119 gal), A solid capacity of more than 400 kg (880 lb), or a compressed gas water capacity or more than 454 kg (998 lb) |
|
|
Term
|
Definition
|
|
Term
|
Definition
| The percentage of a liquid or solid that will evaporate at an ambient temperature of 21C (70F) |
|
|
Term
|
Definition
| The flow of material through the a porous material and can be at the molecular level |
|
|
Term
| Personal Protective Equipment |
|
Definition
| Equipment provided to shield or isolate a person |
|
|
Term
|
Definition
| Indication of the acidity or alkalinity of a substance. A PH 1-7 is acidic and 7-14 is alkaline . But 7 is Neutral |
|
|
Term
|
Definition
| Jumping to one means of transport to another ie. railway to boat or truck to plane |
|
|
Term
|
Definition
| Diamond shaped markers, a minimum of 25cm x 25cm |
|
|
Term
|
Definition
| A gas or liquid so toxic that an extremely small amount of that gas or the vapour formed by the liquid is dangerous to life |
|
|
Term
|
Definition
| Less toxic liquids and solids that are hazardous when absorbed or ingested |
|
|
Term
|
Definition
| Liquids or solids that evolve toxic or strongly irritating fumes when heated or when exposed to air (excluding class A) |
|
|
Term
|
Definition
|
|
Term
|
Definition
| Any flammable liquid that is miscible with water |
|
|
Term
|
Definition
| A chemical reaction in which one or more small compounds combined to form larger compounds. A hazardous polymerization is such a reaction which takes place at a rate which releases large amount of energy (usually heat). |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
| Storage tank or vessel designed to operate at pressures above 103.5 kpa (15psig) |
|
|
Term
|
Definition
| Actions taken by the incident commander prevent the problems from increasing |
|
|
Term
|
Definition
| Assigned Protection Factor (APF) The minimum anticipated protection provided by a properly function respirator or class or respirators to a given percentage or properly fitted and trained users. Simulated workplace protection factor (SWPF) a surrogate measure of the workplace protection provided by a respirator. Workplace protection factor (WPF) A measure of the protection provided in the workplace by a properly functioning respirator when correctly worn and used. |
|
|
Term
|
Definition
| Equipment Designed to protect |
|
|
Term
|
Definition
|
|
Term
|
Definition
| Any liquid capable of igniting spontaneously when to dry or moist air |
|
|
Term
|
Definition
| A cache may consist of number of portable radios, a base station, and in some cases, a repeater, stored in a predetermined location for dispatch to incidents |
|
|
Term
|
Definition
| Acute radiation sickness. Individual is exposed to a large amount of radiation within a short period of time |
|
|
Term
| Radioactive Material (RAM) |
|
Definition
| Any material that spontaneously emits ionizing radiation |
|
|
Term
| Radiological Dispersal Device (RDD) |
|
Definition
| A conventional explosive device incorporating nuclear materials |
|
|
Term
|
Definition
| A chemical transformation or change. Two or more substance to form a new substance |
|
|
Term
|
Definition
| Substance has the tendency to undergo chemical reaction and usually with the release of energy |
|
|
Term
|
Definition
| Recommended Exposure Limit. 8-10 hour, time weighted average (TWA) or ceiling (C) exposure concentration recommended by NIOSH which based on an evaluation of health affects data |
|
|
Term
|
Definition
| In a reduction reaction the reducing agent is the chemical or substance which combines with oxygen, or which loses electrons in the reaction |
|
|
Term
|
Definition
| A place where crude materials are purified |
|
|
Term
|
Definition
| Personnel are in controlling a hazardous material incident |
|
|
Term
|
Definition
| A safety relief device in the form of a metal disk that closes the relief channel under normal conditions. The disk will bust when under pressure to let gases out |
|
|
Term
|
Definition
|
|
Term
|
Definition
| open and closes at set pressure |
|
|
Term
|
Definition
| That organization level having functional responsibility for primary segments of incident operation such as operations, planning, logistics and finance. |
|
|
Term
|
Definition
| Substance, which on first exposure causes little or no reaction in humans but which, on repeated exposure, may cause a marked response not necessary limited to the contact site |
|
|
Term
|
Definition
| Service life is determined by the type of substance being removed, the concentration of the substance, the ambient temperature, the specific element being tested, the flow rate resistance and the selected breakthrough value |
|
|
Term
|
Definition
| A safety feature incorporated into cargo tank piping and fittings designed to fail or break completely to prevent damage to shut off valves or the tank itself |
|
|
Term
|
Definition
| A shipping order, bill of lading, manifest, or other shipping paper or document issued by the carrier. |
|
|
Term
|
Definition
| Respirator approved for use against dust or mist that may cause pneumoconiosis and fibrosis |
|
|
Term
|
Definition
| Expulsion of oil and forth from the surface of a tank |
|
|
Term
|
Definition
| A term expressing the percentage of a material, by weight, which will, dissolve in water at ambient temperature. |
|
|
Term
|
Definition
| Supervisory ratio of three to seven |
|
|
Term
|
Definition
| The ratio of the density of a substance to the density of a reference substance (the weight of the solid or liquid compared to water) |
|
|
Term
|
Definition
| ignition with a material without drawing in heat from its surroundings |
|
|
Term
|
Definition
| An expression of the ability of a material to remain uncharged |
|
|
Term
|
Definition
| Immediate problem or emergency has been controlled, contained or extinguished |
|
|
Term
|
Definition
| One of five definite and identifiable phases through which an emergency passes from onset to stabilization |
|
|
Term
| Standard Transportation Commodity Code (STCC) |
|
Definition
|
|
Term
|
Definition
| Short Term Exposure Limit |
|
|
Term
|
Definition
| A state of tension put on a shipping container |
|
|
Term
| Structural Firefighting Protective clothing |
|
Definition
| Clothing that will prevent gases, vapours, liquids and solids from coming in contact with the skin |
|
|
Term
|
Definition
| Discharge of foam or water into storage tank from an outlet at the tank |
|
|
Term
|
Definition
| Alternation in the formation of cells, tissues, and organs, resulting from physiologic and biochemical changes in a fetus during growth |
|
|
Term
|
Definition
| The concentration that should not be exceeded even instantaneously |
|
|
Term
|
Definition
| Poisonous (Inhaled, swallowed or absorbed) |
|
|
Term
|
Definition
| Adverse effect resulting in exposure to the material |
|
|
Term
|
Definition
| Trademark name or commercial name |
|
|
Term
|
Definition
| - Time Weighted Average. Concentration of a material to which a person is exposed, averaged over the total exposure time |
|
|
Term
|
Definition
| Upper explosive limit. Highest concentration of vapour or gas that will produce a flash or fir when an ignition source |
|
|
Term
| UN/ NA Identification Number |
|
Definition
| Four digit number assigned to a hazardous material, which is used to identify and cross reference products in the transportation mode |
|
|
Term
|
Definition
|
|
Term
|
Definition
| Unwanted chemical change during normal handling and/ or storage |
|
|
Term
|
Definition
| Substance capable of rapidly undergoing chemical change or decomposition |
|
|
Term
|
Definition
| Gas given off, with or without aid of heat |
|
|
Term
|
Definition
| The weight of a vapour or gas compared to the weight of an equal volume of air, or expression of the density of the vapour or gas. |
|
|
Term
|
Definition
| The pressure exerted by the vaporization of liquid in a closed container. |
|
|
Term
|
Definition
| Space left empty inside a tank containing liquefied gas to allow for expansion of the gas due to normal changes in temperature |
|
|
Term
|
Definition
| The process of changing from liquid to vapour |
|
|
Term
|
Definition
| The flow resistance of a liquid |
|
|
Term
|
Definition
| Area where personnel and equipment decontamination and hot zone support takes place. It includes control points for the access corridor and thus assists in reducing the spread of contamination |
|
|
Term
|
Definition
| The ability of a liquid or solid to mix with or dissolve in water |
|
|
Term
|
Definition
| Substances, generally flammable solids, that will react in varying degrees when mixed with water |
|
|
Term
|
Definition
| The shipping paper prepared by the railroad from a bill of lading |
|
|
Term
|
Definition
| In oil tanks, a special roof to shell sea, attachment that is designed to give under overpressure and release vapour from the vapour space |
|
|
Term
|
Definition
| Workplace Hazardous Material Information System |
|
|
