K-1 
appendix 
2006 303(d) Assessment 
Methods for Chesapeake Bay 
Benthos 
Final Report Submitted to: 
Virginia Department of Environmental Quality 
629 East Main Street 
Richmond, Virginia 23230 
Submitted by: 
Roberto J. Llanso 
Jon H. V0lstad 
Versar, Inc., Columbia, Maryland 
Daniel M. Dauer 
Michael F. Lane 
Department of Biological Sciences 
Old Dominion University 
Norfolk, Virginia 
September 2005 
FOREWORD 
This report, 2006 303(d) Assessment Methods for Chesapeake Bay Benthos, was 
prepared by Versar at the request of the Virginia Department of Environmental 
Quality, under Purchase Order # 11646 between Versar, Inc. and the Commonwealth 
of Virginia. Old Dominion University contributed to the diagnostic (discriminant 
tool) assessment and to project conceptualization and evaluation. The statistical 
analyses for the 2006 impairment assessment were conducted by Dr. Ed Weber and 
Ms. Jody Dew, of Versar. Dr. Weber also contributed to the development of the 
Degraded Area method presented in this report. 
appendix k • 2006 303(d) Assessment Methods for Chesapeake Bay Benthos 
