“Manifest tracking number” means the alphanumeric identification number comprised of a unique 3-letter suffix preceded by 9 numerical digits, which is preprinted, by a source approved by EPA pursuant to 40 CFR 262.21, in item 4 of the manifest.

Source. (See Revision Note #1 and Revision Note #2 at chapter heading for Env-Hw 100) #12343, eff 8-14-17; (formerly Env-Hw 104.10, renumbered by #13405) (See Revision Note #4 at chapter heading for Env-Hw 100) (formerly Env-Hw 104.11)