| 588 / | HD | HAZARDOUS OR TOXIC WASTE DESTRUCTION OR CONTAINMENT |
| 238 | DF | CHALCOGEN CONTAINING SUBSTANCE DESTROYED (O, S, Se, or Te) {3} |
| 242 | DF | .~ Reacting with chemical agents {1} |
| 243 | ![]() | .~.~ Using ionizing radiation, electrical energy, magnetic force, radiation, or sonic energy (e.g., laser, plasma, microwave, or ultrasonic) |