40 Treatment of materials, namely, treatment of sulfides, hydrocarbons, pyrophorics, and benzene; decontamination of industrial equipment, namely, decontamination of tanks, vessels, piping, and reactors; consultancy regarding decontamination of industrial equipment, namely, consultancy regarding decontamination of tanks, vessels, piping, and reactors; consultancy regarding treatment of chemicals, gas, and waste materials; consultancy regarding environmental remediation, namely, consultancy regarding soil, waste, and water treatment services; consultancy regarding environmental remediation, namely, consultancy regarding industrial toxic waste disposal