40 Environmental services, namely, decontamination of chemicals, gases, solvents and refrigerants; environmental services, namely, treatment of materials in the nature of processing, purification, separation and filtering of chemicals, gases, solvents, refrigerants, fire suppressing and extinguishing compositions; recycling and reclamation of chemicals, gases, solvents, refrigerants, fire suppressing and extinguishing compositions; blending of chemicals, gases, solvents, refrigerants, suppressing and extinguishing compositions; environmental services, namely, destruction of chemicals, gases, solvents, refrigerants, suppressing and extinguishing compositions; environmental remediation services, namely, treatment by purification of chemicals, gases, solvents, refrigerants, fire suppressing and extinguishing compositions