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<br /> Environmental Glossary
<br /> Acid Chronic Exec Environmental Assessmen
<br /> uai
<br /> A large class of substances having a pH less than seven. An adverse effect on a human of animal body,with The measurement or prediction of the transport,dispersion,
<br /> r
<br /> An acid waste is considered hazardous when the pH is 2.0 symptoms which develop slowly over a long period of time and final location of a hazardous substance when released
<br /> or less. or which reoccur frequently. into the environment.
<br /> ;o it Acute Exec Chronic Exposur
<br /> Environmental Emergencies
<br /> An adverse effect on a human or animal body,with severe low doses repeatedly received by the body over a long Incidents involving the release(or potential release)of
<br /> symptoms developing rapidly and coming quickly to a period of time. hazardous materials into the environment which require
<br /> crisis. immediate remedial action.
<br /> Combustible
<br /> Acute Exposur A term used by the NFPA,DOT,and others to classify Environmental Hazard
<br /> A dose that is delivered to the body in a single event or in a certain liquids that will burn,on the basis of flash points. A condition capable of posing risk of exposure to air,water,
<br /> short period of time. Both the NFPA and DOT generally define"combustible soil,plants,or wildlife.
<br /> t liquids"as having a flash point of 100'F or higher.
<br /> Aerobic Exception Repor
<br /> Occurring in the presence of free oxygen. Concentratio A report that generators who transport waste off-site must
<br /> The relative amount of a substance when combined or submit if they do not receive a properly completed copy of
<br /> Ost( Alkaline mixed with other substances. their manifest within 45 days of the date on which the initial
<br /> A substance with a pH between 7 and 14. An alkaline transporter accepted the waste.
<br /> waste is considered hazardous when its pH is 12.5 or Contingency Plan
<br /> greater. A document setting out an organized,planned,and Generato
<br /> OtR coordinated course of action to be followed in case of a fire The person or facility who,by nature or ownership,
<br /> Ambien or explosion or release of a hazardous waste from a TSD management or control,is responsible for causing or
<br /> Existing conditins of air,water,and other media at a or a generator's facility that could threaten human health or allowing to be caused,the creation of hazardous waste.
<br /> particular time.
<br /> the environment(RCRA).
<br /> Glovebag
<br /> Anaerobic Corrosive A device used to remove a section of pipe insulation
<br /> Occurring in the absence of oxygen. As defined by DOT,a corrosive material is a liquid or solid without isolating the entire space or room.
<br /> that causes visible destruction or irreversible alterations in
<br /> I human skin tissue at the site of contact or in the case of Groundwater Hydrolog
<br /> A55e55men leakage from its packaging a liquid that has a severe
<br /> An analysis or examination. corrosion rate on steel. A solid or liquid which exhibits The study of the movement of water below the earth's
<br /> these charactenstics can be regulated as hazardous surface.
<br /> Background Environmental Sample waste.
<br /> Hazard
<br /> Samples that are considered to contain no contaminants or
<br /> known concentrations of contaminants. Decomposition A circumstance or condition that can cause harm. Hazards
<br /> Breakdown of material or substance(by heat,chemical are often categorized into four groups:biological,chemical,
<br /> Bas reaction,electrolysis,decay,or other processes)into physical,and radiation.
<br /> A substance which forms a salt when reacted with an acid. elements or simpler compounds.
<br /> Hazard Classe
<br /> Bases have a pH of greater than seven.
<br /> Decontamination A series of nine descriptive terms that have been
<br /> Buffer Ion The process of removing contaminants from individuals established by the UN Committee of Experts to categorize
<br /> An area of land which surrounds a hazardous waste fact
<br /> and equipment the hazardous nature of chemical,physical,and biological
<br /> ny materials. These categories are:flammable liquids,
<br /> and on which certain land uses and activities are restricted explosives,gases,oxidizers,radioactive materials,
<br /> to protect the public health and safety and the environment Deep Well Iniection corrosives,flammable solids,poisonous and infectious
<br /> from existing or potential hazards caused by the migration Disposal of wastes by injecting them into a geological substances,and dangerous substances.
<br /> of hazardous waste(CH&SC Sec.25110.3). formation deep in the ground,sometimes after
<br /> pretreatment to avoid solidification. Hazardous Wast
<br /> Carcin2gen Any material that is subject to the hazardous waste
<br /> A substance or agent capable of causing or producing EPA ID Number manifest requirements of the EPA specified in the CFR,
<br /> cancer in mammals. This unique number assigned by EPA to each generator, Title 40,Part 262 or would be subject to these
<br /> transporter,or TSD. requirements in the absence of an interim authorization to a
<br /> Caustic State under CFR,Title 40,Part 123,Subpart F.
<br /> A large class of substances which form solutions having a Effluen
<br /> high pH. Waste material,either treated or untreated,discharged into Heavy Metal
<br /> the environment Certain metallic elements having a high density and
<br /> generally toxic,e.g.,lead,silver,mercury,and arsenic.
<br /> EcoSearch Report ID: 2786-3801
<br /> ' Environmental Date of Report: March 21,2002
<br /> Resources,Inc. Page 40
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