42 LEASING PILOT PLANT ASSEMBLIES FOR ON-SITE TESTING OF OZONE DEMAND AND PROVIDING CONSULTING AND SUPERVISORY SERVICES IN CONNECTION WITH THEIR USE; LEASING TESTING ACCESSORIES FOR CREATION OF A SMALL SCALE MODEL OF OZONE TREATMENT PROSESSES AND LEASING MEASURING DEVICES FOR DETERMINATION OF OZONE CONSUMPTION AND USE; RENDERING ADVICE, CONSULTATION, DESIGN AND ENGINEERING SERVICES IN CONNECTION WITH THE PRODUCTION AND USE OF OZONE FOR WATER, WASTE TREATMENT, AND ODOR CONTROL IN MUNICIPAL AND INDUSTRIAL PLANTS; FURNISHING ENGINEERING AND TECHNICAL ADVICE AND ASSISTANCE IN CONNECTION WITH THE DESIGN, INSTALLATION, START-UP AND OPERATION OF PLANTS, EQUIPMENT AND PROCESSES FOR THE PRODUCTION AND USE OF OZONE; AND DESIGNING, ENGINEERING AND DISTRIBUTING CHEMICAL PLANTS, EQUIPMENT AND PROCESSES FOR THE USE AND/OR PRODUCTION OF OZONE; AND FURNISHING LABORATORY FACILITIES FOR FEASIBILITY STDIES, ON A BENCH SCALE, FOR PROPOSED TREATMENT PROCESSES FOR OZONE