(a) Treatment of materials being treatment and upgrade of any materials, products, residues of any nature, toxic effluents of any origin, particularly of industrial origin, by any technical, physical and/or chemical means allowing their inertization, their detoxication and/or their partial or total disposal, and this, in order to protect the environment; solidification and/or physico-chemical fixation processes of liquid effluents, wastes, muds, of any industrial, agricultural, municipal origins; purification and regeneration of the air; recycling of trash and wastes; chemical and mechanical treatment of polluted sites by mobile units; (b) services provided in the field of the environment being the neutralization of any industrial residue or any substance which has a bad effect on the environment

(a) Scientific and industrial research; engineering services; non-business professional consultancies and construction draftings; material tests; laboratory services, incineration and destruction of wastes of any nature; studies and research in the field of the protection of the environment; services applied to the environment for the getting rid of pollution, decontamination and rehabilitation of sites, applied geology and hydrogeology, the management of the wastes from their source; environment engineering being the conduct of studies, the design and the implementation of industrial treatment; studies of the environmental impact of industrial activities and the assessment of hazards and risks associated with these activities; studies of wastes; design of platforms for the regrouping of wastes; technical advisory services for firms for the management of their wastes; (b) services provided in the field of the environment being the cleaning of grounds, the rehabilitation of sites, and the destruction of any industrial residue or any substance which has a bad effect on the environment