aerosol propellants; specialty gases, namely Propane, Isobutane, n-Butane, Dimethyl Ether, 1, 1 Difluoroethane, 1,1,1,2 Tetrafluoroethane, Isopentane and n-Pentane; and physical foam blowing agents

engineering services in the fields of aerosol propellants, foam blowing agents, plastic manufacturing and aerosol propellant and liquid petroleum gas storage and handling facilities