ES&T
CONTENTS Volume 17, Number 7, July 1983
OUTLOOK 281A Hazardous wastes. OTA and N A S reports indicate that hazardous wastes may be creating problems for future generations. 286A Chemical waste sites. There are prob lems with determining and monitoring health effects from hazardous wastes.
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289A New water editor. Philip C. Singer of the University of North Carolina at Chapel Hill is named associate editor in charge of water pollution research manuscripts. 290A Chlorinated hydrocarbon wastes. French process offers a way to recover salable products from the incineration of these wastes.
REGULATORY FOCUS 286A
293A RCRA. Michael Deland discusses the reauthorization of the Resource Con servation and Recovery Act.
FEATURES
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Environmental Science & Technology © Copyright 1983 by the American Chemical Society "Environmental Science & Technology ES&T (ISSN 0O13-936X) is published monthly by the American Chemical Society at 11 55 16th Street, N.W., Washington, D C . 20036. Second-class postage paid at Washington, D.C. and at additional mailing offices. POSTMASTER: Send address changes to Membership & Subscription Services, PO Box 3337, Columbus, OH, 43210." SUBSCRIPTION PRICES 1983: Members, $20 per year; nonmembers (for personal use), $25 per year; institutions, $110 per year. Foreign postage, $8 additional per year/Air freight add $30; multiple year rates available on request. Single issues $8.00 for current year; $9.00 for prior years. Back volumes $96. Rates above do not apply to nonmember subscribers in Japan, who must enter subscription orders with Maruzen Company Ltd., 3-10 Nihon bashi 2-chome, Chuo-ku, Tokyo 103, Japan. Tel: (03) 272-7211.
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294A Acid deposition and forest decline. Arthur H. Johnson, University of Pennsylvania, Philadelphia, and Thomas G. Siccama, Yale School of Forestry and Environmental Studies, New Haven, Conn.
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306A Regulatory information systems. A discussion of the next generation of environmental management. Barbara J. Goldsmith, Environmental Research & Technology, Concord, Mass.
CRITICAL REVIEW 312A Atmospheric ozone-olefin reactions. Fourier transform infrared studies reveal the mechanisms for these reac tions. Hiromi Niki, Paul D. Maker, Carleton M. Savage, and Larry P. Breitenbach, Ford Motor Company Research Staff, Dearborn, Mich.
RESEARCH 379 Wedding ambient aerosol sampling inlet for an intermediate flow rate (4 cfm) sampler. James B. Wedding,* Michael A. Weigand, Michael W. Ligotke, and Ralph Baumgardner The development and wind testing of the Wedding ambient aerosol sam pling inlet are described. 383 • Abastumani Forest aerosol experiment (1979): comparison to other nonurban halocarbons and nitrous oxide mea surements. Dagmar R. Cronn,* W. Lee Bamesberger, and Valentin M. Koropalov This paper studies the relative im portance of biogenic emissions to the aerosol burden in remote atmo spheres.
Permission of the American Chemical Society is granted for libraries and other users to make reprographic copies for use beyond that permitted by Sections 107 or 108 of the U.S. Copyright Law, provided that, for all articles bearing an article code, the copying organization pay the stated appropriate percopy fee through the Copyright Clearance Center, Inc., 21 Congress St., Salem, MA 01970. Educational institutions are generally granted permission to copy upon application to Copyright Administrator, Books & Journals Division, at the ACS Washington address.
Photo credits: 287A, 288A, ESa Γ s Julian Josephson; 289A, UNC Photo Lab; 295A, Andrew Friedland, University of Pennsylvania Cover: Thomas G. Siccama, Yale School of Forestry and Environmental Studies, New Haven, Conn.
ESTHAG 17(7)275A-332A 379-442(1983) ISSN0013-936X
389 Ambient concentrations of hydrocarbons from conifers in atmospheric gases and aerosol particles measured in Soviet Georgia. Robert W. Shaw, Jr.,* Alden L. Crittenden, Robert K. Stevens, Dagmar Rais Cronn, and Vitali S. Titov. Vegetative hydrocarbons are not shown to contribute significantly to aerosol concentration or to visibility degradation. 396 Factors affecting the accuracy of analyses of priority pollutants using GC/MS. Cliff J. Kirchmer,* Margaret C. Winter, and Barbara A. Kelly E P A Methods 624 and 625 for priority pollutant determinations by G C / M S vs. the internal standard procedure were evaluated. 402 Evidence of an additive effect for ozone plumes from small cities. Ken Sexton Photochemical ozone was consistently found in the combined plume produced from the emissions of several small cities when prevailing winds were from either the north or the south. 407 Resazurin reduction method for activated sludge process control. Dickson Liu Biological activity, 0 2 uptake rates, levels of mixed liquor suspended solids, and heterotrophic bacterial count were determined by using this method. 412 Application of Van Krevelen's graphical-statistical method for the study of aquatic humic material. Simon A. Visser
Structural and compositional differences in humic material due to changes in environmental conditions are reported. 418 Design and performance of miniature cyclones for respirable aerosol sampling. Bernard E. Saltzman* and John M. Hochstrasser Convenient empirical generalized relationships were developed to characterize the performance of 15 miniature cyclone presamplers. NOTES 425 High-level radioactive waste from fusion reactors. Joachim Gruber Materials that could be used in construction of reactor blankets are examined to identify potential highlevel activity hazards. 431 Chemical analysis of acid precipitation: pH and acidity determinations. Neil R. McQuaker,* Paul D. Kluckner, and Douglas K. Sandberg Effects of the residual streaming and of the residual junction potentials on the accuracy of p H and acidity measurements are discussed and quantified. 435 Surface enrichment of trace elements in electric steel furnace dust. Marc J. Van Craen, Eric A. Denoyer, David F. S. Natusch, and F. Adams* These results provide a further example of the phenomenon of surface enrichment of trace elements in particles derived from high-temperature processes.
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439 Practical method for determination of total cyanide in metal-containing wastewaters. Takashi Yoshida, Yutaka Tamaura,* and Takashi Katsura This method employs gas chromatographic measurement of BrCN extracted from brominated samples with ethyl ether. CORRESPONDENCE 442 Comment on "Distribution of selected gaseous organic mutagens and suspect carcinogens in ambient air." William R. Gaffey Hanwant B. Singh * To whom correspondence should be addressed • This article contains supplementary material in microform. See ordering instructions at end of paper.
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