41 TRAINING SERVICES IN THE FIELD OF WASTEWATER TREATMENT-- EDUCATIONAL SERVICES, NAMELY CONDUCTING CONFERENCES, STUDY SESSIONS, CLASSES AND SEMINARS IN THE FIELD OF WASTEWATER TREATMENT SPECIFICALLY-- COLLECTION SYSTEM MAINTENANCE, WASTEWATER TREATMENT PLANT MAINTENANCE, LABORATORY ANALYSIS, BIOSOLIDS LAND APPLICATION MANAGEMENT, ENVIRONMENTAL COMPLIANCE INSPECTION, AND INDUSTRIAL TREATMENT PLANT OPERATIONS; COURSE MATERIALS ARE DISTRIBUTED IN CONNECTION WITH THE CONFERENCES, STUDY SESSIONS, CLASSES, AND SEMINARS