X.  References

Dennis, R.L.  1996.  Using the regional acid deposition model to determine the nitrogen deposition airshed of the Chesapeake Bay watershed.  Accepted for publication in: Atmospheric deposition to the Great Lakes and Coastal Waters, J. Baker, ed.  Society of Environmental Toxicology and Chemistry.

Janicki, A., D. Wade, H. Wilson, D. Heimbuch, H. Sverdrup, and P. Warfvinge.  1991.  Maryland Critical Loads Study, Volume I:  Critical Loads Assessment for Maryland Streams.  Prepared by Coastal Environmental Services, Inc., Linthicum, MD and Lund Institute of Technology, Lund, Sweden, for the Maryland Department of Natural Resources, Chesapeake Bay Research and Monitoring Division, Annapolis, MD.  CBRM-AD-95-9.

Knapp, C.M., W.P. Saunders, D.G. Heimbuch, H.S. Greening, and G.J. Filbin.  1988.  Maryland Synoptic Stream Chemistry Survey:  Estimating the number and distribution of streams affected by or at risk from acidification.  Prepared by International Science and Technology, Inc., Reston, VA, for the Maryland Department of Natural Resources, Power Plant Research Program, Annapolis, MD.  AD-88-2.  NTIS No. PB88-213996/AS.

Lynch, J.A., V.C. Bowersox, and J.W. Grimm. 1996.  Trends in precipitation chemistry in the United States, 1983-1994 - An analysis of the effects in 1995 of Phase  I of the Clean Air Act Amendments of 1990, Title IV, U.S. Geological Survey, Open File Report, 96-0346, USGS, Information Services, Box 25286 Federal Center, Denver, CO.

Roth, N.E., M.T. Southerland, J.C. Chaillou, H.T. Wilson, D.G. Heimbuch, and J.C.  Seibel.  1997.  Maryland Biological Stream Survey:  Ecological Assessment of Non-tidal Streams Sampled in 1996.  Draft report.  Prepared by Versar, Inc., Columbia, MD, and Post, Buckley, Schuh, and Jernigan, Inc., Bowie, MD for Maryland Department of Natural Resources.

Southerland, M., E. Rzemien, N. Roth, L. Corio.  1997.  Atmospheric Deposition in Maryland: Assessment of Status, Trends and Environmental Effects.  Prepared by Versar, Inc., Columbia, MD for Maryland Department of Natural Resources, Monitoring and Non-tidal Assessment Division.

USEPA.  1996a.  National Air Pollutant Trends 1900-1996.  Executive Summary. 

USEPA. 1996b.  Emissions Scorecard 1996.  USEPA Acid Rain Program.  http://www.epa.gov/acidrain/score96/noxhist.htm

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