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Waste Determination Waste Determination • Once the material has been determined to be a waste The following wastes are considered hazardous: then it must be determined if it is hazardous. —Listed Wastes:Wastes that are on the RCRA or California —A waste material may be considered hazardous waste if due Only hazardous waste list to it's quantity,concentration,or physical,chemical or —Characteristic Wastes:Wastes which exhibit one of the infectious characteristics it may: following characteristics: • Cause orsignificentiy contribute toan increase in mortality oran Ignitabllity increase In serious irreversible,or incapacitating reversible illness Reactivity • Pose a substantial present or potential hazard to human health or Corrosiv'ty, erwironment when improperly treated,stored,transported, i disposed of or otherwise managed Toxicity I I i Listed Waste Characteristic Waste • A waste is a"listed waste"if it appears on the list of "Ignitability"refers to the capability of materials in Section 261,Subpart D of 40 CFR or in being set afire,or of bursting into flame I Section 66261 of Title 22 of the California Code of spontaneously,or by Interaction with - Regulations(CCR). another substance. j • There are several chemicals which are considered —According to EPA,liquids with a Flashpoint hazardous waste in California which are not below 140 degrees Fahrenheit are considered hazardous according to RCRA such as considered ignitable. waste oils. • Example:Acetone,benzene. • Flashpoint is the temperature at which a can easily catch on fire. I Characteristic Waste Characteristic Waste —Do not confuse Flammable(Flashpoint below 100 degrees "Reactivity"means having properties of explosivity or Fahrenheit)or Combustible(Flashpoints between 100 and chemical activity that can be a health or 200)with Ignitable. • Flammable and Combustible materials are designated by OSHA and environmental hazard. the Department of Transportation(DOT), —Normally unstable and readily undergoes violent changes •Ignitable and non-Ignitable are designated by EPA. without detonation —Solids that can cause fires through the following are also —Reacts violently with water considered ignitable: Friction —Forms explosive mixtures with water s •Absorption of moisture —May explode if heated under confinement •Spontaneous chemical changes,or • Example magnesium hydride and TNT •when Ignited burn so vigorously and persistently that It creates a —When mixed with water it generates toxic gases hazard. 3