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208 JOURNAL OF THE SOCIETY OF COSMETIC CHEMISTS (25) Davis, H. M. J. Ass. Oj•c. An. Chem. 52 (1969) and 49 1190 (1966). (26) Paulus, G. L. Glc characterization of sunscreens in suntan preparations. J. Ass. Ojy/•c. An. Chem. 55 47 (1972). (27) Raadsveld, C. W. and Klomp, H. J. Chromatog. 57 99 (1971). Aerosol (28) Cannizzaro, R. D. and Lewis, D. A. Gc analysis of aerosols by pressurized liquid sampling. J. Soc. Cosmet. Chern. 20 353 (1969). (29) Schubert, R. and Ketel, L. Gc determination of methylene chloride in aerosol hairsprays. J. S•c. Cosmet. Chern. 23 115 (1973). (30) Liem, D. H. and Rundervoort, G. J. A simple pressurized sampling system, prior to gc analysis of aerosol cosmetics. J. Ass. Offic. An. Chern. 57, 973 (1974). For general information: Newburger, S. H. ,4 Manual of Cosrnetic Analysis. AOAC, Washington (1962).