EPA Methods m 303

Method 1637 was prepared under the direction of William A. Telliard of the U.S. Environmental Protection Agency's (EPA's) Office of Water (OW), Engineering and Analysis Division (EAD). The method was prepared under EPA Contract 68-C3-0337 by the DynCorp Environmental Programs Division with assistance from Interface, Inc. The following researchers in marine chemistry contributed to the philosophy behind this method.

Their contribution is gratefully acknowledged: Shier Berman, National Research Council, Ottawa, Ontario, Canada Nicholas Bloom, Frontier Geosciences Inc., Seattle, Washington Paul Boothe and Gary Steinmetz, Texas A&M University.

College Station, Texas Eric Crecelius, Battelle Marine Sciences Laboratory, Sequim, Washington Russell Flegal, University of California/Santa Cruz, California Gary Gill, Texas A&M University at Galveston, Texas Carlton Hunt and Dion Lewis, Battelle Ocean Sciences, Duxbury, Massachusetts Carl Watras, Wisconsin Department of Natural Resources.

Boulder Junction, Wisconsin Herb Windom and Ralph Smith, Skidaway Institute of Oceanography, Savannah, Georgia In addition, J.T. Creed and T.D. Martin of the EPA Office of Research and Development's Environmental Monitoring Systems Laboratory in Cincinnati, Ohio, are gratefully acknowledged for the development of the analytical procedures described in this method.