Editor: Russell F. C h r i s t m a n Associate Editor: John H . Seinfeld Associate Editor: Philip C. Singer
ES&T CONTENTS
ADVISORY BOARD:
Julian B. Andelman, Kenneth L. Demerjian, Steven Eisenreich, William H. Glaze, Glenn R. Hilst, Michael R. Hoffmann, Lawrence H. Keith, Donald Mackay, Leonard Newman, Eugene B. Welch
Volume 18, Number 3, March 1984
WASHINGTON EDITORIAL STAFF Managing Editor: S t a n t o n S. Miller Associate Editor: Julian Josephson Associate Editor: Bette H i l e m a n MANUSCRIPT REVIEWING
Manager: Janice L. Fleming Associate Editor: Monica Creamer Assistant Editor: Yvonne D. Curry Editorial Assistant: Mary Ellen Provencher MANUSCRIPT EDITING Assistant Manager: M a r y E. Scanlan Assistant Editor: R u t h A . Linville GRAPHICS AND PRODUCTION
Production Manager: Leroy L. Corcoran Art Director: Alan Kahan Staff Artist: Julie Katz Production Editor: Gail Mortenson BOOKS AND JOURNALS DIVISION Director: D. H . Michael Bowen Head, Journals Department: C h a r l e s R. Bertsch Head, Production Department: E l m e r M . Pusey Head, Research and Development Department: Seldon W . T e r r a n t ADVERTISING MANAGEMENT C e n t c o m , Ltd. For officers and advertisers, see page 99A. Please send research manuscripts to M a n u s c r i p t Reviewing, feature manuscripts to M a n a g i n g Editor. For author's guide and editorial policy, see the February 1984 issue, page 69A, or write Janice L. Fleming, Manuscript Reviewing Office, ES&T. A sample copyright transfer form, which m a y be copied, appears on the inside back cover of the February 1984 issue. Environmental Science & Technology © Copyright 1984 by the American Chemical Society Environmental Science & Technology ES&T (ISSN 0013-936X) is published monthly by the American Chemical Society at 1155 16th Street, N.W., Washington, D.C. 20036; 202-872-4600, TDD 202-872-8733. Secondclass 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 1984: Members, $22 per year; nonmembers (for personal use), $25 per year; institutions, $124 per year. Foreign postage, $8 additional per year/Air freight add $33; multiple year rates available on request. Single issues $10.50 for current year; $12.50 for prior years. Back volumes $ 146. Rates above do not apply to nonmember subscribers in Japan, who must enter subscription orders with Maruzen Company Ltd., 3-10 Ninon basin 2-chome, Chuo-ku, Tokyo 103, Japan. Tel: (03) 272-7211. COPYRIGHT PERMISSION: An individual may make a single reprographic copy of an article in this publication for personal use. Reprographic copying beyond that permitted by Section 107 or 108 of the U.S. Copyright Law is allowed, provided that the appropriate per-copy fee is paid through the Copyright Clearance Center, Inc., 21 Congress St. Salem, Mass. 01970. For reprint permission, write Copyright Administrator, Books & Journals Division, ACS, 1155 16th St., N.W., Washington, D.C. 20036. REGISTERED NAMES AND TRADEMARKS, etc., used in this publication, even without specific indication thereof, are not to be considered unprotected by law. SUBSCRIPTION SERVICE: Orders for new subscriptions, single issues, back volumes, and microfiche and microform editions should be sent with payment to Office of the Treasurer, Financial Operations, ACS, 1155 16th St., N.W., Washington, D.C. 20036. Phone orders may be placed, using Visa, Master Card, or American Express, by calling toll free (800) 424-6747 from anywhere in the continental U.S. Changes of address, subscription renewals, claims for missing issues, and inquiries concerning records and accounts should be directed to Manager, Membership and Subscription Services, ACS, P.O. Box 3337, Columbus, Ohio 43210. Changes of address should allow six weeks and be accompanied by old and new addresses and a recent mailing label. Claims for missing issues will not be allowed if loss was due to insufficient notice of change of address, if claim is dated more than 90 days after the issue date for North American subscribers or more than one year for foreign subscribers, or if the reason given is "missing from files." The American Chemical Society assumes no responsibility for statements and opinions advanced by contributors to the publication. Views expressed in editorials are those of the author and do not necessarily represent an official position of the society.
CRITICAL REVIEW 78A Analysis of polychlorinated dioxins and furans. All 75 PCDDs and 135 PCDFs can be identified by isomer-specific techniques. Christoffer Rappe, University of Umeâ, Sweden.
REGULATORY FOCUS 91A Regulatory agenda of the EPA. Richard Dowd summarizes the highlights of the 1984 agenda and points out several changes in the rulemaking process under the major environmental laws.
78A
OUTLOOK 93A Polynuclear aromatic hydrocarbons. Analytical techniques are being refined, and a new hypothesis concerning the carcinogenesis mechanism of P A H s has been proposed.
93A
95A Spring ACS meeting in St. Louis. A look at the environmental program, an activity of the A C S Division of Environmental Chemistry scheduled for April 9-12.
DEPARTMENTS 73 A 75A 97A 98A 99A 100A
Editorial Currents Products Literature Classified Consulting Services
95A
ESTHAG 18(3) 71A-100A 135-218(1984) ISSN 0013-936X Credits: 75A, C&EN's Dave Hanson; 94A, ES&T^s Julian Josephson. Cover: A. W. Nichols, Radian Corp. (Austin, Tex.)
Environ. Sci. Technol., Vol. 18, No. 3, 1984 71A
