(a) The following technologies are approved by the Administrator for destruction of all regulated substances except for HFC-23:

(1) Cement kiln;

(2) Gaseous/fume oxidation;

(3) Liquid injection incineration;

(4) Porous thermal reactor;

(5) Reactor cracking;

(6) Rotary kiln incineration;

(7) Argon plasma arc;

(8) Nitrogen plasma arc;

(9) Portable plasma arc;

(10) Chemical reaction with hydrogen and carbon dioxide;

(11) Gas phase catalytic de-halogenation; and

(12) Superheated steam reactor.

(b) The following technologies are approved by the Administrator for destruction of HFC-23:

(1) Gaseous/fume oxidation;

(2) Liquid injection incineration;

(3) Reactor cracking;

(4) Rotary kiln incineration;

(5) Argon plasma arc;

(6) Nitrogen plasma arc;

(7) Chemical reaction with hydrogen and carbon dioxide; and

(8) Superheated steam reactor.

[86 FR 55208, Oct. 5, 2021]