U.S. Code of Federal Regulations
Regulations most recently checked for updates: Oct 04, 2022
(a) The term “cathode ray tubes” means electronic devices in which electrons focus through a vacuum to generate a controlled image on a luminescent surface. This definition does not include receiving and transmitting tubes.
(b) The term “total toxic organics (TTO)” means the sum of the concentrations for each of the following toxic organic compounds which is found in the discharge at a concentration greater than ten (10) micrograms per liter: