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Published online 5 April 2007
Published in J Environ Qual 36:654-663 (2007)
DOI: 10.2134/jeq2006.0413
© 2007 American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America
677 S. Segoe Rd., Madison, WI 53711 USA
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Assessment of Contamination from Arsenical Pesticide Use on Orchards in the Great Valley region, Virginia and West Virginia, USA

Gilpin R. Robinson, Jr.a,*, Peter Larkinsa, Carol J. Boughtonb, Bradley W. Reeda and Philip L. Sibrellb

a USGS, 954 National Center, Reston, VA USA 20192
b USGS, 11649 Leetown Road, Kearneysville, WV USA 25430


Figure 1
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  		Fig. 1. Estimated use of lead arsenate as an agricultural pesticide in the United States during the 20th century. Arsenical pesticide use was most extensive and widespread in agricultural applications from the 1920s to the late 1950s, and largely ceased its agricultural use by the early 1960s in the nation. Data compiled from information in Buckingham and Brooks (2001) and Peryea (1998).

 

Figure 2
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  		Fig. 2. Map of study area in Clarke and Frederick Counties, Virginia, and Berkeley and Jefferson Counties, West Virginia. (A) Location of public supply ground water well sites screened for As concentration in relation to bedrock geology. (B) Location of soil and stream-bottom sediment sample sites in relation to orchards inferred to have used arsenical pesticides and stream network.

 

Figure 3
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  		Fig. 3. Scatter plot of soil As and Pb concentrations, characterized by location on orchard or reference sites. Arsenic and Pb trend lines for the two prevalent forms of lead arsenate pesticide are shown as solid lines.

 




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Copyright © 2007 by the American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America.