Comment period extended on toxic burning near Colfax DEQ will accept public comments through Feb. 29 on a proposal to allow increased toxic waste burning near Colfax. Check out this story on thetowntalk.com: http://www.thetowntalk.com/story/news/local/2015/12/31/comment-period-extended-toxic-burning-near-colfax/78079548/ The Clean Harbors Colfax site, where toxic waste is disposed of through open burning, is located on about 700 acres of land about five miles northwest of the town of Colfax.