National Air Toxics Information Clearinghouse: NATICH Data Base Users Guide for Data Entry and Editing, February 1988

摘要

The report will serve as a guide for State and local agency personnel entering data into the National Air Toxics Information Clearinghouse (NATICH) data base. The NATICH data base is a computerized data base which contains indexed information on toxic and potentially toxic air pollutants. The data base has been established by EPA to support State and local programs in the control of non-criteria air pollutants.