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Advantages of Ultraviolet Inks Solvent Alternatives • Quickly dry when exposed to ultraviolet light • Use soap or detergent solutions wherever possible. • Can remain in ink fountains for long periods Use solvents only for cleaning inks and oils. without drying • Specially made blanket washes that do not contain • Eliminate"set off' thus eliminating the need for hazardous materials are now available. These anti-offset sprays washes also meet emission requirements of the various air pollution control districts in California. • Eliminate ventilated storage of sheets during • Small solvent recovery systems are currently on the oxidative drying market and work well. • Many acetic acid based solvents are on the market Advantages of Electron Beam Drying (EB) and are less toxic than other solvents. (used on web presses) • Similar in use to ultraviolet inks Waste Lubricating Oils • Uses less solvent than heat-set inks Lubricating oils should be managed as hazardous wastes when they have no further use. Call the Iso r0 1 Alcohol California Waste Management Board's Waste Oil p pY Hotline at 1-800-553-2962 for information on waste Use a fountain solution that contains low concentra- oil handling. For large quantities of oil, look in the tions of isopropyl alcohol (IPA)or one containing no Yellow Pages of the telephone book under 1PA. IPA emissions can cause air pollution problems "Oils—Waste" for a transporter registered with the and may require the instaIDation of pollution control State of California to haul hazardous wastes for equipment. Substitutes are available. Operational ad- recycling. justments may be required to make them work well, but the alternative cost of air pollution control equip- ment installation can make the effort economically worthwhile. ADDITIONAL PUBLICATIONS Waste Solvents Disposal of Small Volumes of Photographic Process- ing Solutions,Eastman-Kodak Publication J-52, 343 Waste solvents are generated when cleaning presses. State Street,Rochester, N.Y., 14650. These wastes are considered hazardous and should be recycled. For a listing of recycling companies,check Waste Audit Study - Commercial Printing Industry, the telephone book under"Solvents"or contact the California Department of Health Services,Toxic TSCP's Alternative Technology Division at(916) Substances Control Division, May 1988. 324-1807 for a free copy of the California Waste Ex- change Directory. Solvents may not be disposed of to Waste Minimization,Issues and Options - Volume 11, land. Discharge of solvents to the industrial sewer is, United States Environmental Protection Agency, in general,not allowed. Office of Solid Waste and Emergency Response, October 1986. Rags become contaminated with ink and solvent. Contaminated, nonsaturated rags are not considered Environmental Aspects of Chemical Use in Printing hazardous wastes by the federal and state government Operations, Conference Proceedings, United States if they are laundered and reused but contaminated rags Environmental Protection Agency, Office of Toxic to be disposed of are. The disposable rags must be Substances, January, 1976. stored separately from municipal trash and transported according to hazardous waste regulations. 5