A decade of acid rain research / Glen E. Gordon -- Subcontinental air pollution phenomena / G.M. Hidy -- Acid deposition and atmospheric chemistry at Allegheny Mountain / W.R. Pierson, W.W. Brachaczek, R.A. Gorse, Jr., S.M. Japar, J.M. Norbeck, and G.J. Keeler -- The western Atlantic Ocean experiment / James N. Galloway, Thomas M. Church, Anthony H. Knap, Douglas M. Whelpdale, and John M. Miller -- Hybrid receptor models / C.W. Lewis and R.K. Stevens -- Trace element concentrations on fine particles in the Ohio River Valley / S.G. Tuncel, Glen E. Gordon, I. Olmez, J.R. Parrington, R.W. Shaw, Jr., and R.J. Paur -- Simultaneous collection of particles and acidic gases for tracing emissions from coal-fired power plants / Michael E. Kitto and David L. Anderson -- Aqueous-phase reactions in clouds / Stephen E. Schwartz -- Accommodation coefficients of ozone and SOb2s : implications on SOb2s oxidation in cloud water / I.N. Tang and J.H. Lee -- Photocatalytic formation of hydrogen peroxide / Detlef W. Bahnemann, Michael R. Hoffmann, Andrew P. Hong, and Claudius Kormann -- Direct kinetic and mechanistic study of the OH-dimethyl sulfide reaction under atmospheric conditions / A.J. Hynes and P.H. Wine -- SOb2s oxidation by hydrogen peroxide in suspended droplets / W.A. Jaeschke and G.J. Herrmann -- Measurement of concentration and oxidation rate of S(IV) in rainwater in Yokohama, Japan / Shigeru Tanaka, Kazuo Yamanaka, and Yoshikazu Hashimoto -- Spectroscopic identification of products formed in the gas-phase reaction of OH with atmospheric sulfur compounds / S.C. Bhatia and J.H. Hall, Jr. -- Characterization of a facility to simulate in-cloud chemical transformations / A.W. Gertler, N.F. Robinson, and D.F. Miller -- Comparisons of wet and dry deposition : the first year of trial dry deposition monitoring / B.B. Hicks, R.P. Hosker, Jr., and J.D. Womack -- Rainwater chemistry near an isolated SOb2s emission source / Richard J. Vong, Timothy V. Larson, William H. Zoller, David S. Covert, Robert J. Charlson, Ian Sweet, Richard Peterson, Theresa Miller, John F. O'Loughlin, and Margaret N. Stevenson -- Sulfur, halogens, and heavy metals in urban summer rainfall / S. Landsberger, S.J. Vermette, and J.J. Drake -- Introduction of formate and acetate ions into precipitation : assessment of possible pathways / E.G. Chapman and D.S. Sklarew -- Comparison of weekly and daily wet deposition sampling results / L.E. Topol, M. Lev-On, and A.K. Pollack -- Chemistry of wintertime wet deposition / Jean Muhlbaier Dasch -- Pollutant deposition in radiation fog / Jed M. Waldman, Daniel J. Jacob, J. William Munger, and Michael R. Hoffmann -- Deposition of chemical components in Japan / Y. Dokiya, M. Aoyama, Y. Katsuragi, E. Yoshimura, and S. Toda -- Measurement of atmospheric gases by laser absorption spectrometry / H.I. Schiff, G.W. Harris, and G.I. Mackay -- Chemical instrumentation of atmospheric wet deposition processes / Roger L. Tanner -- Factors affecting NOx production during char oxidation / Gregory J. Orehowsky, Alan W. Scaroni, and Francis J. Derbyshire -- Acid clusters / R.G. Keesee and A.W. Castleman, Jr.