por AWWA Seminar on Impact of Changing Disinfectants (1989 : Los Angeles, California) | American Water Works Association.
por AWWA Seminar on Engineering Considerations for Granular Activated Carbon (GAC) Treatment Facilities (1990 : Cincinnati, Ohio) | American Water Works Association. Engineering and Construction Division.
por AWWA Seminar on Coagulation and Filtration : Pilot to Full Scale (1987 : Denver, Colorado) | American Water Works Association. Water Quality Division.
por AWWA Seminar on Filtration : Meeting New Standards (1988 : Orlando, Florida) | American Water Works Association. Water Quality Division.
por AWWA Seminar on Influence of Coagulation on the Selection, Operation, and Performance of Water Treatment Facilities (1987 : Kansas City, Missouri) | American Water Works Association. Research Division.
por AWWA Seminar on Water Chlorination Principles and Practices (1986 : Denver, Colorado) | American Water Works Association. Water Quality Division.
por AWWA Seminar on Treatment Processes for the Control of Synthetic Organic Chemicals (1987 : Kansas City, Missouri) | American Water Works Association. Research Division.
por AWWA Seminar on Emerging Technologies in Practice (1990 : Cincinnati, Ohio) | American Water Works Association. Water Quality Division.
por AWWA Seminar on Granular Activated Carbon Installations Conception to Operation (1987 : Kansas City, Missouri) | American Water Works Association. Water Quality Division.
por AWWA Seminar on Assurance of Adequate Disinfection, or C-T or Not C-T (1987 : Denver, Colorado) | American Water Works Association. Water Quality Division.
por AWWA Seminar on Chloramination for THM Control : Principles and Practices (1984 : Dallas, Texas) | American Water Works Association.
por AWWA Seminar on Water Desinfection with Ozone, Chloramines, or Chlorine Dioxide (1980 : Atlanta, Georgia) | American Water Works Association.
por AWWA Seminar on Non-specific Organic Analysis for Water Treatment Process Control and Monitoring (1984 : Dallas, Texas) | American Water Works Association. Research Division.