Public Accsess to EPA's Online Library System(OLS): Books - Reports - Journals Air Quality Global Issues Health Effects Hazardous Waste Laboratory Methods Pollution Prevention Toxic Substances Water Pollution The Online Library System(OLS) is a computerized list of bibliographic citations compiled by the EPA library network. EPA provides this menu-driven, user-friendly system at no cost to support public access to environmental information. The only charges that will be incurred through use of the system are telecommunications charges. . OLS DATABASES . OLS consists of several related databases that can be used to locate books, reports, and articles on a variety of topics. The material in OLS is updated every two weeks, and can be searched by numerous access points, such as title, author, and keyword. National Catalog Citations and summaries on environmentally encompassing biology, chemistry, ecology, and other basic sciences; and EPA reports distributed through the National Technical Information Service. Hazardous Waste Citations and summaries for key materials on hazardous waste. CLean Lakes Citations and summaries on topics relating to lake management, protection, and restoration. EPA Region 1 Selected items owned by the Region 1 Library. Chemical Collection Citations for items relating to chemicals. System For information about the Online Library System, please contact the nearest EPA Library. A list of the libraries is available on the system's HELP Screen. Dialing Into The System... Number For Dial-In Access: (919)541-4642 To Log-In: Dial into the Use these transmission & format settings: system. At the first system 300-9600 baud rate prompt, type IBMPSI. At the 7 data bits per character second system prompt, type Even Parity OLS. To Print: Available only One Stop Bit through your telecommunications software. Searches must be captured on disk to print. To Log-Out: Type Q or Quit at the system prompt. USER SUPPORT: * Call EPA's National Computer Center for technical system assistance(help with anything that happens before you type "OLS" at the system prompt) at 1-800-334-2405. * Contact the EPA Library in Research Triangle Park, NC for the OLS User Guide and other system documentation at (919)541-2777.