CHEMICAL ENGINEERING SERVICES; NAMELY, MAKING SURVEYS AND INSPECTIONS OF INDUSTRIAL AND PUBLIC UTILITY PLANTS, PARTICULARLY IN CONNECTION WITH TREATMENT, USE, AND DISPOSAL OF WATER FOR BOILER, PROCESS, AND GENERAL INDUSTRIAL PURPOSES, ANALYZING SAMPLES OF WATERS AND DEPOSITS, EVALUATING CONDITIONS AND PROCEDURES, AND RECOMMENDING IMPROVED ENGINEERING PRACTICES BASED UPON THE FOREGOING SURVEYS, INSPECTIONS, AND ANALYSES