Notes |
"December 1972." "EPA/450-R-72-103." "Air Pollution TEchnical Information Center, Control Programs Development Division"--Beneath title. "Users guide for the searching system of the Air Pollution Technical Information Center (APTIC) of the Environmental Protection Agency, Research Triangle Park, North Carolina. It is intended primarily for use by the EPA Regional Offices, as well as other qualified users, as an aid in retrieving technical air pollution information from APTIC. The procedure for forming and implementing a search strategy for the system is fully described in this manual, in step-by-step, straightforward language. A complete explanation of the terms and operational symbols to be used is also included."--Introduction. |