Mr. William E. Budd, Director, Environmental 

 Systems, Dorr-Oliver Inc., Stamford, Conn. 



Mr. H. H. Gerstein, Consultant, Alvard, Bur- 

 dick, and Hawson, Chicago, 111. 



Mr. Paul D. Haney, Partner, Black and Veatch, 

 Consulting Engineers, Kansas City, Mo. 



Mr. Herbert O. Hartung, Executive Vice Presi- 

 dent, St. Louis County Water Co., University 

 City, Mo. 



Dr. Paul W. Kabler, Deputy Director, National 

 Center for Urban and Industrial Health, Public 

 Health Service, U.S. Department of Health, Ed- 

 ucation, and Welfare, Cincinnati, Ohio. 



Mr. Kenneth Mackenthun, Federal Water Pol- 

 lution Control Administration, U.S. Department 

 of the Interior, Cincinnati, Ohio. 



Mr. Henry J. Ongerth, Assistant Chief, Bureau 

 of Sanitary Engineering, California State De- 

 partment of Public Health, Berkeley, Calif. 



Mr. Gordon G. Robeck, Director, Water Supply 

 Research Laboratory, Public Health Service, 

 U.S. Department of Health, Education, and 

 Welfare, Cincinnati, Ohio. 



Mr. Herbert A. Swenson, Research Hydrolo- 

 gist. Geological Survey, U.S. Department of the 

 Interior, Washington, D.C. 



Mr. Floyd B. Taylor, Regional Program Chief, 

 Water Supply and Sea Resources Program, 

 Public Health Service, U.S. Department of 

 Health, Education, and Welfare, Boston, Mass. 



Dr. Harold W. Wolf, Technical Executive Sec- 

 retary, Public Health Service, U.S. Department 

 of Health, Education, and Welfare, Garden 

 Grove, Calif. 



Subcommittee for fish, 

 other aquatic life, and wildlife 



Dr. Clarence M. Tarzwell, Chairman, Direc- 

 tor, National Marine Water Quality Laboratory, 

 Federal Water Pollution Control Administra- 

 tion, U.S. Department of the Interior, West 

 Kingston, R.I. 



Mr. Vytautas Adomaitis, Research Chemist, 

 Bureau of Sport Fisheries and Wildlife, North 

 Prairie Wildlife Research Center, U.S. Depart- 

 ment of the Interior, Jamestown, N.Dak. 



Dr. Bertil G. Anderson, Professor of Zoology, 

 Life Sciences Building, The Pennsylvania State 

 University, University Park, Pa. 



Mr. George E. Burdick, Supervising Aquatic 

 Biologist (Pollution Research), New York Con- 

 servation Department, State Campus, Albany, 

 N.Y. 



Dr. Philip A. Butler, Laboratory Director, Bu- 

 reau of Commercial Fisheries Biological Labo- 

 ratory, U.S. Department of the Interior, Gulf 

 Breeze, Fla. 



Dr. Robert J. Conover, Atlantic Oceanographic 

 Group, Fisheries Research Board of Canada, 

 Dartmouth, Nova Scotia. 



Dr. Oliver B. Cope, Director, Fish-Pesticide Re- 

 search Laboratory, Bureau of Sport Fisheries 

 and Wildlife, U.S. Department of the Interior, 

 Columbia, Mo. 



Dr. Richard F. Foster, Manager, Earth Sciences 

 Section, Environmental and Radiological Sci- 

 ences Department, Pacific Northwest Labo- 

 ratory, Battelle Memorial Institute, Richland, 

 Wash. 



Dr. F. E. J. Fry, Professor of Zoology, Depart- 

 ment of Zoology, University of Toronto, To- 

 ronto, Ontario, Canada. 



Dr. Paul S. Galtsoff, Consultant, Woods Hole, 

 Mass. 



Dr. Arden R. Gaufin, Professor of Zoology, De- 

 partment of Zoology and Entomology, Univer- 

 sity of Utah, Salt Lake City, Utah. 



Mr. William F. Gusey, Assistant Chief, Division 

 of Wildlife Services, Bureau of Sport Fisheries 

 and Wildlife, U.S. Department of the Interior, 

 Washington, D.C. 



Dr. William J. Hargis, Jr., Director, Virginia In- 

 stitute of Marine Science, College of William 

 and Mary and University of Virginia, Glou- 

 cester Point, Va. 



Mr. Eugene P. Haydu, Water Resources and 

 Management, Weyerhaeuser Co., Pulp and 

 Paperboard Division, Longview, Wash. 



Mr. Crosswell Henderson, Fishery Biologist, 

 Bureau of Sport Fisheries and Wildlife, U.S. De- 

 partment of the Interior, Colorado State Uni- 

 versity, Fort Collins, Colo. 



Mr. Eugene T. Jensen, Chief, Office of Estuarine 

 Studies, Federal Water Pollution Control Ad- 

 ministration, U.S. Department of the Interior, 

 Washington, D.C. 



Dr. J. M. Lawrence, Auburn University, Au- 

 burn, Ala. 



Dr. Victor L. Loosanoff, Professor of Marine 

 Biology, Marine Biological Laboratory, Uni- 

 versity of the Pacific, Dillon Beach, Calif. 



Dr. Donald I. Mount, National Water QuaUty 

 Laboratory, Federal Water Pollution Control 

 Administration, Department of the Interior, 

 Duluth, Minn. 



Dr. Ruth Patrick, Curator and Chairman of the 

 Limnology Department, Academy of Natural 

 Sciences of Philadelphia, Philadelphia, Pa. 



