INDEX TO THE ADVERTISERS IN THIS ISSUE
professional consulting services directory Clayton Environmental Consultants, Inc. Emission and Ambient Air Surveys Hazardous Waste Management Engineering Design Main Office: 25711 Southfield Road South, ield, Ml 48075 (313) 424-8860
· Industrial Hygiene Surveys · Accredited Laboratories · GC/MS, HPLC, X-Ray, AA and SEM/EDS · Environmental Audits
Laboratories: Branch Offices: Southfield, Ml Atlanta, GA Edison, NJ Edison, NJ Windsor, Ontario
A Technical Service of Marsh & McLennan
Dames & Moore • Environmental Impact Assessment • Geotechnical and Environmental Engineering • Meteorology and Air Quality Monitoring • Water Pollution Control Engineering • Modelling and Numerical Analyses • Permitting and Licensing Consultation • Solid and Hazardous Waste Management San Francisco · Denver · Chicago Cincinnati · Atlanta Offices in Principal Cities Throughout the World
Complete SINCE 1919
Analytical Services
ENVIRODYNE ENGINEERS • environmental engineering
analytical chemistry priority pollutant analyses environmental monitoring and assessment hazardous waste monitoring hazardous waste management
• t r a n s p o r t a t i o n engineering • energy engineering • c o n s t r u c t i o n management 12161 Lackland Road St. Louis, Missouri 63141 (314)434-6960
NEW YORK TESTING LABORATORIES 81 Urban Avenue, Westbury, N.Y. 11590 (516)334-7770
HEALTH AND ENVIRONMENTAL DATA-ANALYSIS AND RISK-ASSESSMENT • PESTICIDES • HAZARDOUS WASTES • TOXIC SUBSTANCES IN THE WORKPLACE, AIR, WATER AND SOIL SERVICE TO · Government · Industry · • Consultants · Attorneys · Individuals
Baltimore / Chicago / Knoxville / New York
Scott Environmental Technology. Inc.
s
SPECIALISTS IN ORGANIC AND TOXIC AIR POLLUTANT SAMPLING AND ANALYSIS • Air Pollution Testing · • Continuous Monitoring · • Dispersion Modeling · • Auto Emissions Testing · Rout· 611, PlumttMdvill*. PA 18949 215 - 766-8861
. P.O. BOX 1438 · PORTLAND, ME. 04104 · (207)773-3020 •
RESEARCH • Toxic Substances • Hazardous Wastes • Environmental Impact Assessment • Air & Water Quality • Government Regulations • Pesticides Consulting and Research for Government and Industry Environmental Resource Center 2 3 0 4 H o l l y S p r i n g Dr. Silver S p r i n g , M D 2 0 9 0 4
301/384-7200
GHOUNUWAÏfR CONSULTANTS
GERAGHTY & MILLER, INC. THE NORTH SHORE ATRIUM 6BO0 JERICHO TPKE SVOSSET N.V. 11791 (516)921-6060 ANNAPOLIS BATON ROUGE HARTFORD TAMPA W PALM BEACH HOUSTON DENVER SANTURCE. PR
68A
Environ. Sci. Technol., Vol. 18, No. 2, 1984
NO.
6
American Gas Associates . . 63A
10
Canberra's Amplitudes, Inc.
2
Dionex Corporation 65A LaPointe, Schott & S m i t h , Inc.
9
International Light
The Professionals
ENTROPY —
Environmentalists Inc. Leaders in Soufce Testing, Continuous Monitor Certification, and Hazardous Waste Testing PO. Box 12291 Research Triangle Park. NC 27709 In NC 919-781-3550 Outside NC 1-800-ENTROPY
Ground Water Associates, Inc. Consulting Geologists a n d Hydrologists •
Q u a n t i t a t i v e and qualitative ground w a t e r evaluations φ • Iron removal by V Y R E D O X proce·· P.O. Box 280 Westerville. Ohio 43081 Cranford, New Jersey 614/882-3136 Arlington. Massachusettes
CONSULTING GROUND-WATER GEOLOGISTS
R O U X ASSOCIATES • RCRA Monitoring • Superfund Response • Site Evaluation • Aquifer Clean-Up • Resource Development 50 NORTH NEW YORK AVENUE PO BOX 266, HUNTINGTON, NEW YORK 11743 516 673-4921
ROUX
PAGE
NO. 64A
66A
W i l l i a m Jeffery Associates 5
M a l l i n c k r o d t , Inc
OBC
Frank Block Associates 3
M a r t e k Instruments 35A T e k m a r Marketing Services
1
Nalge Company Hutchins/Y&R
IFC
7
T h o m a s Scientific McKinney, Inc.
63A
8
University of Pittsburgh
36A
4
Verlag Chemie International
62A
a consulting engineering and sciences firm
• Screening of Industrial Waste for EPA Priority Pollutants using Ftnnigan OWA-30 GC/MS. • NPDES & SPDES Organic & Inorganic Testing. • Drinking Water Analysis to EPA Standards. • Bioassay, Bioaccumulation & Toxicity Studies of Industrial Waste, Municipal Sludge & Dredge Spoils. • Leacbate Potential Studies & Analysis. • Total Instrumental Analysis: A.A., GC/MS, G.C., I.R., TOC & TOX • RCRA Hazardous Waste Testing.
ENViROLOGiC dATA
CIRCLE INQUIRY
Advertising Management for the American Chemical Society Publications CENTCOM, LTD.
Thomas N. J. Koerwer, President James A. Byrne, Vice President Alfred L. Gregory, Vice President Clay S. Holden, Vice President Benjamin W. Jones, Vice President Robert L. Voepel, Vice President Joseph P. Stenza, Production Director 25 Sylvan Road, South P.O. Box 231 Westport, Connecticut 06881 (Area Code 203) 226-7131 Telex No. 643-310 SALES REPRESENTATIVES Philadelphia, P a . . . . Dean A. Baldwin, CENTCOM, LTD., GSB Building, Suite 425, 1 Belmont Ave., Bala Cynwyd, Pa 19004 (Area Code 215) 667-9666 New York, N.Y Dean A. Baldwin, CENTCOM, LTD., 60 E. 42nd Street, New York 10165 (Area Code 212) 972-9660 Westport, Ct Edward M. Black, CENTCOM, LTD., 25 Sylvan Road South, P.O. Box 231, Westport, Ct. 06881 (Area Code 203) 226-7131 Cleveland, Oh. . . . Bruce Poorman, CENTCOM, LTD., 325 Front St., Suite 2, Berea, OH 44017 (Area Code 216) 234-1333 Chicago, I I I . . . . Bruce Poorman, CENTCOM, LTD., 540 Frontage Rd., Northfield, III 60093 (Area Code 312) 441-6383 Houston, Tx Dean A. Baldwin, CENTCOM, LTD., (Area Code 713) 667-9666 San Francisco, C a . . . . Paul M. Butts, CENTCOM, LTD., Suite 112, 1499 Bayshore Highway, Burlingame, CA 90410. Telephone 415692-1218 Los Angeles, Ca. . . . Clay S. Holden, CENTCOM, LTD., 3142 Pacific Coast Highway, Suite 200, Torrance, CA 90505 (Area Code 213) 3251903 Boston, Ma CENTCOM, LTD. (Area Code 212) 972-9660 Atlanta, Ga Edward M. Black, CENTCOM, LTD., Phone (Area Code 203) 226-7131 Denver, Co. . . . Paul M. Butts, CENTCOM, LTD. Telephone 4 1 5 - 6 9 2 - 1 2 1 8