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Numerous Federal, State and Local regulatory agencies define Hazardous Wastes. In general, Hazardous Wastes are any materials that cannot be legally disposed of in public landfills or the wastewater system. Individuals who improperly dispose of hazardous waste are subject to criminal and civil penalties. For additional assistance, contact the Environmental Health and Safety Office.
Hazardous waste consist of several categories:
Units generating hazardous waste will designate an individual as the primary contact person for the Environmental Health and Safety Office. General responsibilities include:
Chemical Waste Collection
IMPORTANT: The Environmental Health and Safety Office will provide assistance in management of chemical wastes and will collect all identified wastes for disposal, by arrangement. Unidentified chemicals or wastes will be the responsibility of the generator until properly identified for disposal.
[14]40 CFR 261.24 Toxicity characteristics. Materials containing any of the contaminants listed in the regulation Table 1 at the concentration equal to or greater than listed; Toxic wastes are assigned an EPS ID number identified in Table 1.
[15] 40 CFR 261.21 Characteristic of ignitability. Liquids with flash point less than 140° F; non liquids capable of causing fire through friction, absorption of moisture or spontaneous chemical changes and, when ignited, burns so vigorously and persistently that it creates a hazard; ignitable compressed gases as defined in 49 CFR 173.300; oxidizers as defined in 49 CFR 173.151; or solid waste that exhibits the characteristic of ignitability. These wastes are assigned the EPA Hazardous Waste Number of D001.
[16] 40 CFR 261.22 Characteristic of corrosivity. Aqueous with pH less than or equal to 2 or greater than or equal to 12.5; or liquid that rapidly corrodes steel. These wastes are assigned the EPA Hazardous Waste Number of D002.
[17]The term heavy metal refers to any metallic chemical element that has a relatively high density and is toxic, highly toxic or poisonous at low concentrations. Examples of heavy metals include mercury (Hg), cadmium (Cd), arsenic (As), chromium (Cr), thallium (Tl), and lead (Pb).
[18]40 CFR 261.23 Characteristic of reactivity. Normally unstable material which readily undergoes violent change without detonating; reacts violently with water; forms potentially explosive mixtures with water; when mixed with water, it generates toxic gases, vapors or fumes in a quantity sufficient to present a danger to human health or the environment; is a cyanide or sulfide bearing waste which, when exposed to pH conditions between 2 and 12.5, can generate toxic gases, vapors or fumes in a quantity sufficient to present a danger to human health or the environment; is capable of detonation or explosive reaction if it is subjected to initiating source or heated under confinement; is readily capable of detonation or explosive decomposition or reaction; is a forbidden explosive defined in 49 CFR 173.51, a Class A explosive defined in 49 CFR 173.53 or a Class B explosive defined in 49 CFR 173.88. These materials are assigned the EPA Hazardous Waste Number of D003.
[19] These materials require special packaging and marking, as well as training in blood borne pathogens.
[20]This includes but is not limited to culture dishes, blood specimen tubes, devices used to transfer, inoculate and mix cultures, and other materials which have come in contact with biohazards. (including disposable personal protective equipment and clothing).
[21]As a minimum the tag (see FORMS) should contain the following information: material name & CAS #, quantity (NOT container size -- the amount of chemical within the container), hazard, generator name or process, date and room number.
Last updated by Ron Honn on September 1, 2006.