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Edith Gégo, P. Steven Porter, Alice Gilliland, and S. Trivikrama Rao

Sillman et al. (1990) , the OTAG final report ( Ozone Transport Assessment Group 1997 ) stated that emissions along the Ohio River Valley (ORV) in the central part of the OTAG domain appeared to be associated with many regional-scale ozone episodes and that emission reduction from that region would benefit many downwind areas. Hence, building on the OTAG results regarding ozone transport, EPA issued a new regulation in September 1998 requiring 22 states in the eastern United States and Washington, D

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Jesse O. Bash, Patricia Bresnahan, and David R. Miller

. Further research is needed to verify and identify mercury sorption coefficients for natural media. Acknowledgments This paper was presented in the model development section of the 2005 fourth annual CMAS conference. This research would not have been possible without the funding from the Connecticut River Airshed Watershed Consortium (CRAWC) and the University of Connecticut Agricultural Experiment Station. We also thank professor Gerald A. Berkowitz from the Plant Science Department at the University

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M. Talat Odman, Yongtao Hu, Alper Unal, Armistead G. Russell, and James W. Boylan

distribution of these emission changes is highly nonuniform: the magnitude as well as the direction of the change varies from one place to another. In general, NO x emissions are reduced, most notably along the Ohio River valley, but not everywhere. SO 2 emissions are also reduced in the same region, with some exceptions, but increases are dominant in some southeastern states and along the Gulf of Mexico coast. The 2018-OTW scenario includes further reductions due to the implementation of the clean air

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