News Nijmegen, The Netherlands. Contact: T. C. J. Gribnau, Organon Scientific Development Group, P.O. Box 20, 5340 BH OSS—The Netherlands • American Society for Testing and Materials Committee D-16 Meeting on Aromatic Hydrocarbons and Related Chemicals. June 23-25. Nashville, Tenn. Contact: Alice C. Cauallaro, ASTM, 1916Race St., Philadelphia, Pa. 19103. 215-299-5486 • Conference on Modification of the Surface Properties of Metals
Contact: J. J. Rothrock, ASTM, 1916 Race St., Philadelphia, Pa. 19103. 215-299-5485 • 2nd International Meeting on Photoacoustic Spectroscopy. June 22-25. Berkeley, Calif. Contact: Optical Society of America, Photoacoustic Spectroscopy, 1816 Jefferson Place, N.W., Washington, D.C. 20036. 202223-8130. December, page 1536 A • 4th International Symposium on Affinity Chromatography and Related Techniques. June 22-26.
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