42 Monitoring of water quality, namely, technical quality monitoring services of water conditions; scientific and industrial research services in the field of environmental protection; laboratory research services in the fields of water, water treatment and purification of water; chemical analysis services; chemical research; professional consultancy in the field of water quality control services; engineering, not for building, in the fields of water and water treatment; laboratory research services in the fields of the treatment of industrial, household, hospital and special waste, refuse, sludge, ash, recovery of industrial, household, hospital and special waste; bacteriology research services; [ computer programming; computer services, namely, development, design and updating of computer software and software systems; technical consulting and advice relating to research and development of new products in the field of computing; rental of computers; design of computer systems and telecommunication systems; ] scientific and industrial research services for developing and evaluating the performance of physical-chemical water treatment processes and products for physicochemical water treatment; [ conducting scientific and technical feasibility studies for developing and evaluating the operation performance of installations for treating drinking water or industrial process water, for treating household or industrial wastewater, as well as for treating physico-chemical or biological fluids and sludges, technical surveying relating to these processes and equipment and to all other treatments of fluids, including in the field of industrial processes; ] technical scientific research services, in the fields of the collection, transport, treatment, cleaning, storage, sanitation, reusing and disposal of waste and refuse; scientific and industrial research relating to environmental protection for the collection, transport, treatment, cleaning, storage and recovery of waste and refuse; engineering, conducting feasibility studies in the field of environmental engineering; engineering design services in the fields of design and construction of industrial and urban centers and units for waste and refuse collection, sorting, storage, treatment, recovery and disposal; testing and research on [ air, ] water [ and sound ] pollution prevention services; consulting on environmental protection, urban planning, providing information relating to research in environmental protection; [ land and geological surveying for economic, social and environmental purposes, urban design planning services; soil percolation testing; plant engineering services in the agricultural, horticultural, wine growing, arboricultural and silvicultural fields; ] quality control of air, water, soil; Engineering in the field of industrial information systems, namely, automatic control, control, centralized technical management and control, decision making systems, management systems for operating data [; conducting technical project feasibility studies consisting of analyses, evaluations, research, and technical advice in the fields of new technologies in the technology, maritime, offshore, seaport, energy, sustainable development, environmental, climate, weather, industrial and household waste management, water treatment, flood control, hydrogeology, wet areas development, public transport, telecommunications, civil engineering and urban engineering fields; quality management services, namely, quality evaluation and analysis, quality assurance and quality control in the technology, maritime, offshore, seaport, energy, sustainable development, environmental, climate, weather, industrial and household waste management, water treatment, flood control, hydrogeology, wet areas development, public transport, telecommunications, civil engineering and urban engineering fields ]