562211  Hazardous Waste Treatment and Disposal 

This U.S. industry comprises establishments primarily engaged in 
(1) operating treatment and/or disposal facilities for hazardous 
waste or (2) the combined activity of collecting and/or hauling 
of hazardous waste materials within a local area and operating 
treatment or disposal facilities for hazardous waste. 

The data published with NAICS code 562211 are comprised of this part
of the following SIC industry:

     4953 (pt)  Hazardous Waste Treatment and Disposal