1. Emergency Planning and Community-Right-To-Know Law. Public Law 99-499 Title Il Section 313 100 Stat. 1741 42 U.S.C. Section 11023 17 October 1986.
2. U.S. EPA. 1992 Toxics Release Inventory Public Data Release. EPA 745-R-94-001. Washington DC:U.S.
3. Forman DL. Toxicity index prototype for targeting TRI Environmental Protection Agency 1994. chemical releases. In: Proceedings of the Toxics Release Inventory (TRI) Data Use Conference. EPA 745-R-93-004. Chicago IL:U.S. Environmental Protection Agency 1993.
4. Forman DL. Chemical Indexing System for the Toxic Chemical Release Inventory Part I: Chronic Index Technical Guidance Manual. EPA 903R-83/002. Philadelphia PA:U.S. Environmental Protection Agency 1993.
5. O'Bryan TR Ross RH. Chemical scoring system for hazard and exposure identification. J Toxicol Environ