A B C D E F G H I J K L M
N O P Q R S T U V W X Y Z
Atomic Absorption Spectroscopy.
American Arbitration Association.
Association of American Railroads.
American Association for the Advancement of Science.
American Academy of Environmental Engineers.
American Association of Engineering Societies.
Alaskan Arctic National Wildlife Refuge.
Affirmative Action Plan.
Army Ammunition Plant.
Asbestos Action Program.
Alliance for Acid Rain Control.
American Bar Association.
Association of Bay Area Governments.
towards the stern of a ship or mobile offshore drilling rig. Farther aft, than behind a named position.
the reduction in degree or intensity of pollution.
it denotes a very slight movement in the apparent position of a star. It is caused by the rotation of the Earth, between the time the light from the star reaches the objective of the telescope and the time it reaches the eyepiece.
Alliance for Balanced Environmental Solutions.
a wastage and loss of ice and snow from the surface of an ice-sheet or glacier that is generated by melting and evaporation. It stands for a removal of rock debris by wind action.
this is a debris-covered cone or a pyramid of ice, or snow, built by ablation.
the removal of material by evaporation or melting, on the surface of aircraft or space shuttle, that travels at hypersonic speed during re-entry. This is brought on through heating and by friction with atmosphere; it serves to preserve the craft.
the rate, at which a snow or ice surface wastes away.
the lower part of a glacier, where annual water loss exceeds snow accumulation.
American Boiler Manufacturers Association.
a pressure, exceeding or falling below the normal pressure that we can expect at the given sea depth. The normal pressure increases make about 10.5 kPa per meter depth.
on or in a ship, an offshore drilling rig, aircraft, helicopter or space vehicle.
it represents a mechanical wear. The process consists of scratching, rubbing, grinding or wearing away by friction. A mechanical wearing down of the earth's surface by material that is transported by ice or wind.
the acidity that results from OH- or H+ ions, being absorbed at the surface of finely ground minerals, which are suspended in water.
it is commonly any horizontal surface, cut by a wave into a slope, as a platform of marine origin. It is not a surface that is formed by abrasion.
this is a trait of coatings or materials, to resist mechanical surface wear that is caused by friction under ambient working conditions.
a substance that we use for grinding, honing, lapping, superfinishing, polishing, abrasive blastcleaning, pressure blasting, peening or barrel finishing. The abrasives include natural materials such as broken up nut shells, sand, garnet, emery, corundum and diamond; the electric furnace products like aluminum oxide, silicon carbide and boron carbide; also glass and various metallic abrasives.
a belt shaped product, which is coated with an abrasive that we use in production grinding and polishing.
abrasive belt polishing
finishing a workpiece with a power-driven abrasive-coated belt in order to develop a very good finish.
(surface treatment and cleaning): using dry or wet abrasive particles under air pressure for short duration of time to clean a metal surface.
a disk-shaped product, coated with abrasive that we use in production. A grinding wheel, mounted on a steel plate. We use the exposed flat side for grinding.
a method that we use for testing the abrasion resistance of coatings.
the removal of materials from a surface, when these are hard attached, or when loose particles slide or roll across the surface under pressure.
a chemical substance relatively free of impurities.
an absolute address that refers to a fixed location in the computer's memory. Compare: RELATIVE ADDRESS.
an age that is expressed in the number of years.
an alcohol, from which we have removed all traces of water.
to suck up. The penetration of a solid substance by a liquid as by capillary, osmotic, solvent, or chemical action.
a porous body of a substance, which can soak up a penetrant.
assimilation of molecules or other substances into the physical structure of a liquid or solid without chemical reaction. An example is the absorption of water into soil.
Abatement and Control.
American Conservation Association.
Asbestos-Containing Building Material.
laboratory tests that are designed to simulate, but also to intensify and accelerate, the destructive action of natural outdoor weathering on materials or protective films. The tests involve exposure to the artificially produced components of natural weather, e.g., light, heat, cold, water vapor, rain, ultraviolet rays and ozone. These we can arrange and repeat in given cycles.
In radiation science, a device that speeds up charged particles such as electrons or protons.
The physiological and behavioral adjustments of an organism to changes in the environment.
The adaptation over several generations of a species to a marked change in the environment.
the upper part of a glacier, where annual snowfall exceeds melting and evaporation.
an electrical storage cell that delivers the current by a reversible chemical process. A vessel, which we use to ease the control of the flow of liquid or to separate the liquid from the entrapped gas or vapor. This in time, while the liquid flows through the plant for further processing. It is the register where a computer stores the results of an arithmetic operation.
Alliance for Clean Energy.
American Consulting Engineers Council.
American Council for an Energy Efficient Economy.
acetic acid glacial (CH3.COOH or CàH4Oà)
an acid that is colorless corrosive liquid, with a pungent smell. We produce it by oxidation of ethyl alcohol in the manufacture of vinegar or from acetylene through acetaldehyde. It is an important starting material in manufacture of cellulose acetate and metallic acetates. We use this acid also for manufacturing plastics and rubber, acetate rayon; laundry sours; printing calico and dyeing silks; preserving foods; solvent for gums, resins, volatile oils and many other substances. It is solid below 7¿C.
dimethyl ketone; we use it as solvent for fats, oils, waxes, resins, rubber, plastics, lacquers, varnishes, rubber cements. Further we use it in manufacturing plastics, chloroform and many other chemicals.
Alternating voltages and currents that are present on a structure, owing to the AC power system.
American Conference of Governmental Industrial Hygienists. An organization of professionals in governmental agencies or educational institutions engaged in occupational safety and health programs. ACGIH develops and publishes recommended occupational exposure limits for chemical substances and physical agents (see TLV). ( 6500 Glenway Avenue , Bldg. D-7, Cincinnati , OH 45211 ; (513) 661-7881.
an inorganic or organic compound that (1) reacts with metals to yield hydrogen; (2) reacts with a base to form a salt; (3) dissociates in water to yield hydrogen or hydronium ions; (4) has a pH of less than 7.0; and (5) neutralizes bases or alkaline media. All acids contain hydrogen and turn litmus paper red. They are corrosive to human tissue and are to be handled with care.
a non-metallic oxide, e.g., SOà, SO3, or COà, which react with water to form acids.
it stands for a low ductility of metal that is due to its absorption of hydrogen gas.
when in water suspension, it is the clay, which gives off H ions.
removing the adhering deposits by dissolving them with an acid solution, in that the deposited materials or binders become completely soluble. The insoluble portion of soils disintegrates or falls off.
a condition of decreased alkalinity of the blood and tissues marked by sickly sweet breath, headache, nausea, vomiting, and visual disturbances; usually the result of excessive acid production. Tissues and CNS functions are disturbed.
Alternate Concentration Limit.
Analytical Chemistry Laboratory.
Administrative Consent Order.
Air Carcinogen Policy.
Air Quality Control Region.
Irritating and bitter.
a word or name that is formed by joining the first letters (or first few letters) of a series of words.
this is the proprietary name for the compound of synthetic polymer of acrylonitrile, with vinyl acetate.
American Chemical Society.
the exposure level (the material's concentration in air) at which OSHA regulations to protect employees take effect (29 CFR 1910.1001-1047); e.g., workplace air analysis employee training, medical monitoring, and record keeping. Exposure at or above the action level is termed occupational exposure. Exposure below this level can also be harmful. This level is generally one half the TLV.
refers to thresholds for contamination that trigger the need for decontamination.
a highly adsorbent form of carbon used to remove odors and toxic substances from gaseous emissions. In advanced waste treatment, it is used to remove dissolved organic matter from waste water.
an aerobic biological process for conversion of soluble organic matter to solid biomass, removable by gravity or filtration.
activated sludge process
removes organic matter from sewage by saturating it with air and biologically active sludge.
means notification by telephone or other expeditious manner or, when required, the assembly of some or all appropriate members of the RRT or NRT.
the extra amount of energy, which any particle or group of particles must obtain, to move from one energy state into another. It applies to changes in phase, as in chemical reactions and to movement of particles, as in diffusion. An energy that is required for initiating a metallurgical reaction.
the ingredient of a product that actually does what the product is designed to do. The remaining ingredients may be "inert".
acute health effect
health effects that usually occur rapidly as a result of short-term exposures, and are of short duration. Some examples are irritation, corrosivity (tissue destruction), narcosis, and death.EXAMPLE LAY LANGUAGE: Immediate Health Effect Adequate ventilation A condition falling within either or both of the following categories:(1) Ventilation to reduce levels of air contaminant below that which may cause personal injury or illness.(2) Ventilation sufficient to prevent accumulation to a concentration of contaminant vapor in air at a level in excess of 25 percent of the level set for the lower flammable limit.
the death of animals immediately or within 14 days after a single dose of or exposure to a toxic substance.
any poisonous effect produced by a single short- term exposure, that results in severe biological harm or death.
American Clean Water Association.
a change in structure or habit of an organism that produces better adjustment to its surroundings.
Applications Data Base.
a substance (e.g., wetting agent, inhibitor, brightener or antipit agent), which when added in somewhat small concentrations to pickling or plating solutions, modifies or controls a process that gives certain desirable physical and mechanical properties to the deposits.
a chemical reaction, in which a molecule, added to another molecule, containing a double bond, converts the double bond into a single bond.
molecular attraction which holds the surfaces of two substances in contact, such as water and rock particles.
Acceptable Daily Intake.
to collect gas or liquid molecules on the surface of another material. See absorb.adsorbent: a material, usually solid, capable of holding gases, liquids and/or suspended matter at its surface and in exposed pores. Activated carbon is a common adsorbent used in water.
adhesion of an extremely thin layer of molecules (as of gas, solids or liquids) to the surface of solid or liquids with which they are in contact.
Air Data Screening System.
chemical impurities or substances that by law do not belong in a food, plant, animal, or pesticide formulation.
advanced waste water treatment
any treatment of sewage that goes beyond the secondary or biological water treatment stage and includes the removal of nutrients such as phosphorus and nitrogen and a high percentage of suspended solids. (see: Primary, Secondary Treatment).
a non-regulatory document that communicates risk information to persons who may have to make risk management decisions.
Atomic Energy Act.
Air Enforcement Division.
Alliance for Environmental Education.
Association of Energy Engineers.
Air and Energy Research Laboratory.
a process which promotes biological degradation of organic water. The process may be passive (as when waste is exposed to air) or active (as when a mixing or bubbling device introduces the air).
a cell that is induced by differences in dissolved oxygen at the adjoining points.
aeration of soil and water
natural or enforced charge with air in soils and waters; the impregnation with air. An exposure to the action of air.
a chamber used to inject air into water.
Association of Environmental & Research Economists
life or processes that require, or are not destroyed by, the presence of oxygen. (see: anaerobic).
aerobic biological oxidation
any waste treatment process utilizing organisms in the presence of air or oxygen to reduce the pollution load or oxygen demand of organic substance in water.
aerobic digestion (sludge processing)
biochemical decomposition of organic matter by organisms living or active only in the presence of oxygen, which results in the formation of mineral and simpler organic compounds.
an organism that requires oxygen for its respiration.
process by which microbes decompose complex organic compounds in the presence of oxygen and use the liberated energy for reproduction and growth. Types of aerobic processes include extended aeration, trickling filtration, and rotating biological contactors.
a suspension of liquid or solid particles in a gas, the particles often being in the colloidal size range. Fog and smoke are common examples of natural aerosols; fine sprays (perfumes, insecticides, inhalants, antiperspirants, paints, etc.) are man-made aerosols. Suspensions of various kinds may be formed by placing the components, together with a compressed gas, in a container (bomb). The pressure of the gas causes the mixture to be released as a fine spray (aerosol) or foam (aerogel) when a valve is opened.
Auger Electron Spectrometry.
Association of Environmental Scientists and Administrators.
American Forestry Association.
Air Force Base.
American Farm Bureau Federation.
the tendency for atoms to combine and to form a chemical compound, that is near in composition, but different.
the force that causes two things to combine.
Air Force Regional Civil Engineers.
Air Force Station.
AIRS Facility Subsystem.
toward or near the stern of the ship or offshore drilling rig.
in incinerator technology, a burner located so that the combustion gases are made to pass through its flame in order to remove smoke and odors. It may be attached to or be separated from the incinerator proper.
AIRS Facility Users Group.
American Gas Association.
Associated General Contractors of America .
any substance, force, radiation, organism, or influence that affects the body. The effects may be beneficial or injurious.
a toxic herbicide and defoliant which was used in the Vietnam conflict. It contains (2,4,5-trichlorophenoxy)acetic acid (2,4,5-T) and (2-4 dichlorophenoxy)acetic acid (2,4-D) with trace amounts of dioxin.
to gather fine particulates together into a larger mass.
the process by which precipitation particles grow larger by collision or contact with cloud particles or other precipitation particles.
the process of uniting solid particles coated with a thin layer of adhesive material or of arresting solid particles by impact on a surface coated with an adhesive.
building up of land surfaces by sedimentation or deposition of mineral matter. The depositional process itself. The growth of a permafrost area.
the liquid and solid wastes from farming, including, runoff from pesticides, fertilizers, and feed- lots; erosion and dust from plowing; animal manure and carcasses, crop residues, and debris.
Aboveground Storage Tanks
Asbestos Hazard Emergency Response Act (1986); federal law requiring LEAs to identify asbestos hazards and develop abatement plans.
Acutely Hazardous Material.
Acutely Hazardous Waste.
American Institute of Architects.
Asbestos Information Association.
Acceptable Intake - Chronic.
American Institute of Chemical Engineers.
American Institute of Certified Public Accountants.
Australian Inventory Chemical Substances. A list of chemical substances which may be used commercially in Australia . Similar to TSCA Chemical Substances Inventory.
Air Installation Compatible Use Zones.
Agency for International Development.
American Industrial Hygiene Association.
American Industrial Health Council.
American Institute of Metallurgical, Mining and Petroleum Engineers.
agitation of a liquid medium through the use of air pressure injected into the liquid.
total suspended particulate matter found in the atmosphere as solid particles or liquid droplets. The chemical composition of particulates varies widely, depending on location and time of year. Airborne particulates include windblown dust, emissions from industrial processes, smoke from the burning of wood and coal, and the exhaust of motor vehicles.
release of any chemical into the air.
air changes per hour (ACH)
the movement of a volume of air in a given time; if a house has one air change per hour, it means that all of the air in the house will be replaced in a one- hour period.
any particulate matter, gas, or combination thereof, other than water vapor or natural air. (See: Air Pollutant).
a method of containing oil spills, air bubbling through a perforated pipe causes an upward water flow that slows the spread of oil. It can also be used to stop fish from entering polluted water.
boundary layer between the air and the liquid in which mass transfer is diffusion controlled.
a widespread body of air that gains certain characteristics while set in one location. The characteristics change as it moves away.
any substance in air which could, if in high enough concentration, harm man, other animals, vegetation, or material. Pollutants may include almost any natural or artificial composition of matter capable of being airborne. They may be in the form of solid particles, liquid droplets, gases, or in combinations of these forms. Generally, they fall into two main groups: (1) those emitted directly from identifiable sources; and (2) those produced in the air by interaction between two or more primary pollutants, or by reaction with normal atmospheric constituents, with or without photoactivation. Exclusive of pollen, fog, and dust, which are of natural origin, about 100 contaminants have been identified and fall into these categories: solids, sulfur compounds, volatile organic chemicals, nitrogen compounds, oxygen compounds, halogen compounds, radioactive compounds, and odors.
the presence of contaminant substances in the air that do not disperse properly and interfere with human health.
air pollution episode
a period of abnormally high concentration of air pollutants, often due to low winds and temperature inversion that can cause illness and death.
air quality control region
an area designated by the Federal Government in which communities share a common air pollution problem, sometimes involving several States.
air quality criteria
the levels of pollution and lengths of exposure above which adverse effects may occur on health and welfare.
air quality standards
the level of pollutants prescribed by law that cannot be exceeded during a specified time in a defined area.
Aerometric Information Retrieval System.
American Iron and Steel Institute.
a herbicide, marketed under the trade name Lasso, used mainly to control weeds in corn and soybean fields.
Association of Local Air Pollution Control Officers.
trade name for Daminozide, a pesticide that makes apples redder, firmer, and less likely to drop off trees before growers are ready to pick them. It is also used to a lesser extent on peanuts, tart cherries, concord grapes, and other fruits.
acronym for as low as reasonably achievable. Used in radiation control.
Application Limiting Constituent.
an insecticide sold under the trade name Termik. It is made from ethyl isocyanate.
Anionic Flocculent Powder - Clarification/Settling (ETUS).
refers to a process involving the sounding of a warning signal to the public concerning the existence of an emergency situation to which they may need to respond.
simple plants containing chlorophyll. Many are microscopic, but under conditions favorable for their growth they grow in colonies and produce mats and similar nuisance masses.
sudden spurts of algal growth, which can affect water quality adversely and indicate potentially hazardous changes in local water chemistry.
in math, forming an exact divisor; as 5 is an aliquot of 15.
Administrative Law Judge.
alkalis (or bases) are materials which have Ph values from 8 to 14. Alkalis with pHs between 12 to 14 are considered to be corrosive and will cause severe damage to skin and eyes.
capacity of water to neutralize acids, a property imparted by the water's content of carbonates, bicarbonates, hydroxides, and, occasionally, borates, silicates and phosphates. (abbr. Alk) - bicarbonate, carbonate, or hydrate amounts in water. Can be expressed as "M" Alk to a methyl orange titration end point or "P" Alk to a phenolphthalein end point.
broadly, any compound having highly basic properties; i.e., one that readily ionizes in aqueous solution to yield OH anions, with a pH above 7, and turns litmus paper blue. Alkalies are oxides and hydroxides of certain metals and belong to group IA of the periodic table (Li, Na, K, Rb, Cs, Fr). Ammonia and amines may also be alkaline. Alkalies are caustic and dissolve human tissue. Treat alkali burns by quickly washing the afflicted area with large amounts of water for at least 15 minutes. Common commercial alkalies are sodium carbonate (soda ash), NaOH, lime, lye, potash, caustic soda, KOH, water glass, regular mortar, portland cement, and bicarbonate of soda. See Acid; Base; pH.
Boiler pH Control - Boiling Water Treatment (ETUS).
loss of hair.
a positively charged particle composed of 2 neutrons and 2 protons released by some atoms undergoing radioactive decay. The particle is identical to the nucleus of a helium atom.
Action Leakage Rate.
any method of sampling and analyzing for an air pollutant which is not a reference or equivalent method but which has been demonstrated in specific cases to EPA's satisfaction to produce results adequate for compliance.
alternative water supplies
as defined by section 101(34) of CERCLA, includes, but is not limited to, drinking water and household water supplies.
a hydrated aluminum sulfate (A12 (SO4)3 14 HàO or potassium aluminum sulfate or ammonium aluminum sulfate. It contains 9.1% aluminum.
American Medical Association.
usual or surrounding conditions.
Atmospheric Mass Balance of Industrially Emitted and Natural Sulfur.
any unconfined portion of the atmosphere; open air.
ambient air quality standards
(see: criteria pollutants, National Ambient Air Quality Standards).
American Mining Congress.
Army Material Command.
a polythiocarbonate reagent for the precipitation of chelated heavy metals (DREW).
Air Management Information System.
capable of reacting in water either as a weak acid or as a weak base. For example, aluminum salts hydrolyze in water to produce a compound that may be considered a weak base, AL(OH), or a weak acid. A property of certain oxides makes them reactive both with acids and bases, AL2O3 is an example.
Automatic Mapping and Planning System.
American Meteorological Society.
Association of Metropolitan Sewage Agencies.
fish that spend their adult life in the sea but swim upriver to fresh water spawning grounds to reproduce.
life or process that occurs in, or is not destroyed by, the absence of oxygen.
anaerobic biological treatment
any treatment method or process utilizing anaerobic or facultative organisms, in the absence of air, for the purpose of reducing the organic matter in wastes or organic solids settled out from wastes. Typically found in municipal waste treatment.
an organism that can thrive in the absence of oxygen.
loss of sensitivity to pain.
separation and measurement of component parts.
the chemicals for which a sample is analyzed.
American Nuclear Energy Council.
loss of sensation or feeling, CNS depression.
Anionic Flocculant - Clarification/Settling (ETUS).
Anionic Flocculant - Clarification/Settling (ETUS).
a compound derived from another compound (as an acid) by removing the elements the compose water, i.e., hydrogen and oxygen.
"without water." Describes a substance in which no water molecules are present in the form of a hydrate or as water of crystallization.
the condition of a polymer, colloid, or large particle having exchangeable cations on its surface and an opposite, negative charge on the substrate.
an ion exchange process in which anions in solution are exchanged for other anions from an ion exchanger.
negatively charged ions in solution e.g., hydroxyl.
means any devices including, but not limited to, such devices as piping, fittings, flanges, valves, and pumps used to distribute, meter, or control the flow of regulated substances to and from an UST.
in electrolysis or electrochemical corrosion, a site where metal goes into solution as a cation leaving behind an equivalent of electrons to be transferred to an opposite electrode, called a cathode.
the treatment of a metal surface whereby the metal is made anodic.
loss of appetite.
loss of the sense of smell.
a lack of oxygen from inspired air (literally, "without oxygen"). See Hypoxia.
Advance Notice of Proposed Rulemaking.
American National Standards Institute. A privately funded organization that identifies industrial/public national consensus standards and coordinates their development. Many ANSI standards relate to safe design/performance of equipment and safe practices or procedures. (1430 Broadway, New York City , NY 10018 ; (212) 642-4900).
the interaction of two chemicals having an opposing, or neutralizing, effect on each other, or given some specific biological effect a chemical interaction that appears to have an opposing or neutralizing effect over what might otherwise be expected.
Antarctic "ozone hole"
refers to the seasonal depletion of ozone in a large area of Antarctica
a chemical that interferes with blood clotting.
part of air quality and water quality laws that prohibits deterioration where pollution levels are within the legal limit.
proteins produced in the body by immune system cells in response to antigens, and capable of combining with antigens.
a remedy to relieve, prevent, or counteract the effects of a poison. Eliminating the poison, neutralizing it, or absorbing it are effective.
a substance that causes production of antibodies when introduced into animal or human tissue.
absence or defective excretion of urine.
Arctic National Wildlife Refuge.
Abnormal Operating Conditions.
Atlantic Oceanographic and Meteorological Laboratory.
Acid Precipitation Act.
Administration Procedure Act.
American Planning Association.
Air Pollution Control District.
Air Pollution Control Officer.
Air Pollution Emissions Report.
American Public Health Association.
American Petroleum Institute.
an index of specific gravity defined by the American Petroleum Institute.
a simple gravity separator meeting the design standards of the American Petroleum Institute for separation of soil and solids from wastewater.
A temporary stoppage of breathing.
breathing temporarily stopped.
American Public Power Association.
the physical state of a material; e.g., powder, gas or liquid. If there is a difference between the appearance of the material and that listed on the MSDS, contact your supervisor.
means those cleanup standards, standards of control, and other substantive requirements, criteria, or limitations promulgated under federal environmental or state environmental or facility siting laws that specifically address a hazardous substance, pollutant, contaminant, remedial action, location, or other circumstance found at a CERCLA site. Only those state standards that are identified by a state in a timely manner and that are more stringent than federal requirements may be applicable.
Associated Pharmacists and Toxicologists.
Air Pollution Training Institute.
Air, Pesticides, and Toxics Management Division.
American Public Works Association.
Air Quality Criteria and Control Techniques.
Air Quality Control Region.
Air Quality Digest.
Air Quality Data Handling System.
Air Quality Display Model.
Air Quality Maintenance Area.
Air Quality Management District.
Air Quality Management Plan.
Air Quality Simulation Model.
Air Quality Technical Assistance Demonstration.
AQTX, aquatic toxicity
the adverse effects on marine life that result from exposure to a toxic substance. See TLm.
describes a water-based solution or suspension.Frequently describes a gaseous compound dissolved in water.Using water as a solvent.
a porous, subsurface geological structure carrying or holding water, such as a well.
Applicable or Relevant and Appropriate Requirement.
Air Resources Board.
a process for the resolution of disputes. Decisions are made by an impartial arbitrator selected by the parties.These decisions are usually legally binding. (See: Mediation)
Automated Resource for Chemical Hazard Incident Evaluation.
Alternative Remedial Contract Strategy.
area of review
in the UIC program, the area surrounding an injection well that is reviewed during the permitting process to determine whether the injection operation will induce flow between aquifers.
in air pollution, any small individual fuel combustion source, including vehicles. A more precise legal definition is available in Federal regulations.
local or generalized gray-blue colored impregnation of the body (skin) tissue with silver.
Accidental Release Information Program.
Air Resources Management.
Alternate Regulatory Option.
Acid Rain Policy Office.
Air Resources Regional Pollution Assessment.
Resist Stripper-Semi aqueous - Printed Circuit Chemical (ETUS).
Resist Stripper Aqueous - Printed Circuit Chemical (ETUS).
Treat Spent Stripper - Printed Circuit Chemical (ETUS).
a manufactured item that is specifically shaped or formed with its function dependent on its shape or design. It does not release or result in exposure to a hazardous material in normal use.Articles are excluded from hazard laws unless they give off dust or fumes.
As Soon As Possible.
a mineral fiber that can pollute air or water and cause cancer or asbestosis when inhaled. EPA has banned or severely restricted its use in manufacturing and construction.
a disease associated with chronic exposure to and inhalation of asbestos fibers. The disease makes breathing progressively more difficult and can lead to death.
Area Source Category.
American Society of Civil Engineers.
American Standard Code for Information Interchange.
American Society of Consulting Planners.
Association of State Drinking Water Administrators.
the mineral content of a product remaining after complete combustion.
A-scale sound level
a measurement of sound approximating the sensitivity of the human ear, used to note the intensity or annoyance of sounds.
Asbestos in Schools Hazard Abatement Act.
American Society for Heating, Refrigeration and Air Conditioning Engineers.
Association of State and Interstate Water Pollution Control Administrators.
Airshed Model Data Handling System.
American Society of Mechanical Engineers.
American Society of Public Administration.
lack of oxygen and interference with the oxygenation of the blood. Can lead to unconsciousness.
a vapor or gas that can cause unconsciousness or death by suffocation (lack of oxygen). Most simple asphyxiants are harmful to the body only when they become so concentrated that they reduce (displace) the available oxygen in the air (normally about 21%) to dangerous levels (18% or lower). Examples of simple asphyxiants are COà, Nà, Hà, and He. Chemical asphyxiants like carbon monoxide (CO) reduce the blood's ability to carry oxygen, or like cyanide interfere with the body's utilization of oxygen.
a condition that causes asphyxia or suffocation.Asphyxiation is one of the principal potential hazardous of working in confined spaces.
the danger of drawing material into the lungs, leading to an inflammatory response that can be fatal.
Abandoned Site Program Information System.
Atmospheric Sciences Research Laboratory.
American Society of Sanitary Engineers.
the ability of a body of water to purify itself of pollutants.
the ability of a body of water to purify itself of pollutants.
Aboveground Storage Tank.
a disease characterized by recurrent attacks of dyspnea, wheezing, and perhaps coughing caused by spasmodic contraction of the main airways in the lungs.
Association of State and Territorial Health Officers.
American Society for Testing and Materials. It is the world's largest source of voluntary consensus standards for material, products, systems, and services. ASTM is a resource for sampling and testing methods, health and safety aspects of materials, safe performance guidelines, effects of physical and biological agents and chemicals.
Association of State and Territorial Solid Waste Management Officials.
neither causing nor exhibiting symptoms.
American Trucking Association.
loss of reflexes or muscular coordination. Depending on muscles affected signs can include - twitching, stumbling or unsteady walk, shaking, and slurred speech.EXAMPLE LAY LANGUAGE: Loss of muscle control (indicate muscles involved, e.g, staggering gait).
atmosphere. Pressure measurement. One atm = 14.7 lbs/in2. The pressure exerted by the air at sea level that supports a column of mercury 760 mm high (about 30 in.), expressed as 760 mm Hg. One torr - 1 mm Hg.
American Textile Manufacturing Institute.
1. a standard unit of pressure representing the pressure exerted by a 29.92 inch column of mercury at sea level at 45 degrees latitude and equal to 1000 grams per square centimeter. 2. the whole mass of air surrounding the earth, composed largely of oxygen and nitrogen.
a nuclear reactor.
reduction in size or function of tissue, organs, or the entire body caused by lack of use.
Agency for Toxic Substances and Disease Registry; federal agency within the Public Health Service charged with carrying out the health-related responsibilities of CERCLA and RCRA.
Air Toxics Task Force.
a chemical or agent that lures insects or other pests by stimulating their sense of smell.
wearing or grinding down a substance by friction. A contributing factor in air pollution, as with dust.
an instrument that measures hearing sensitivity.
the minimum temperature at which a substance ignites without application of a flame or spark. Do not heat materials to greater than 80% of this temperature.
an organism that produces food from inorganic substances.
the number of molecules in a gram-molecular weight of any substance.
Association of Women in Science and Engineering.
Air and Waste Management Association.
American Wood Preservers Institute.
Air/Water Pollution Report.
Ambient Water-Quality Criteria.
American Water Resources Association.
American Water Works Association.
American Water Works Association Research Foundation.
American Water Works Utility Council.