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Contents 1 The Leading Journal for Environmental Instrumentation Volume 22 Issue 2


ISSN 0963 7362 Environmental Technology Publications Ltd Oak Court, Sandridge Park, Porters Wood St Albans, Herts AL3 6PH, England Tel: +44 (0)1727 858840 • Fax: +44 (0)1727 840310 www.envirotech-online.com


Email Advert Material to: PR & General Enquiries ONLY: Publisher: Managing Director: International Sales Manager UK Sales Manager: Area Managers:


adverts@envirotechpubs.com info@envirotechpubs.com


Marcus Pattison


(marcus@envirotechpubs.com) Michael Pattison David Phillips


(david@envirotechpubs.com) Julie Izzard


(julie@envirotechpubs.com) Lisa Munday


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Gary Durham Sue Petts


Chris Brown Nikki Kaloczi


Maureen Woodhouse Patricia Rogers


Head Office Asia/Australia: Marie Izzard, Director Asia Pacific, Environmental Technology Publications, Suite 1, Ground Floor, Peninsula Business Centre, 20 Bungan Street, Mona Vale, 2103 NSW, Australia Tel: +61 (0) 2 9979 6886 • Fax: +61 (0) 2 9979 9181 Email: mizzard@optusnet.com.au


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Publisher’s Statement: International Environmental Technology (IET) is a product/service orientated publication that is read by 34,339 decision makers throughout Europe. A ‘Split- Run’ of 10,309 is available for those only interested in the UK market. The editorial in this bi-monthly publication highlights new products on Pollution Monitoring /Control in Air, Water and Soil. An additional Buyers’ Guide is published annually.


International Environmental Technology is published six times per year in January, March, May, July, September and November. Asian Environmental Technology (AET) is read by 21,034 end- users in Asia and Australia. AET features the latest products for monitoring, testing and treatment in Air, Soil and Water.


Subscriptions: Europe — £40; Rest of World — £55. Cheques made payable to Environmental Technology Publications Ltd.


Postmaster send address corrections to Environmental Technology Publications.


Although every effort is made to ensure the accuracy of material published, Environmental Technology Publications and its agents cannot accept responsibility for claims made by contributors, manufacturers or advertisers.


Titles published by ETP: Labmate UK & Ireland (founded 1974) International Labmate (founded 1976) International Environmental Technology (founded 1990) Lab Asia (founded 1994) Asian Environmental Technology (founded 1997) Petro Industry News (founded 1999) Measurement Analysis China (founded 2003) Pollution Solutions (founded 2007) Chromatography Today (founded 2008)


Evaluation of an Improved Sample Preparation Method for Quantative Analysis of Very Low


Levels of Airborne Polycyclic Aromatic Hydrocarbons for Worker Protection and Health Screening


Please try to recycle this magazine once you are finished with it.


© All rights reserved by Environmental Technology Publications Ltd Reproduction in part or whole without written permission is strictly prohibited.


Printed in Great Britain by Warners Midlands PLC and Colt Press


International Environmental Technology (USPS 022-452) is published bi-monthly in January, March, May, July, September, November by Environmental Technology Publications, (an International Labmate Ltd company), Oak Court Business Centre, Porters Wood, St Albans, Herts, AL3 6PH, England. The 2008 US Institutional Subscription price is £55. Periodicals Postage Paid at Jamaica, NY by US Mailing Agent Air Business Ltd, C/O Priority Airfreight NY Ltd,147-29 182nd Street, Jamaica, NY 11413. US Postmaster: send address changes to Air Business Ltd, C/O Priority Airfreight NY Ltd, 147-29 182nd Street, Jamaica, NY 11413.


page 47-48


Environmental Protection with a FLIR Optical Gas Imaging Camera


page 4-6


March / April 2012 ONTENTS


Business News Gas Detection Air Monitoring Water/Wastewater Environmental Analysis Health & Safety Sensor Focus Advertisers Index UK Focus


2-3 4-14 15-19 20-33 34-46 47-49 50-54 56


i-xii Articles


Second Generation Water Monitoring Using Biological Early Warning Systems and Biological Assays


Utilisation of GCxGC-TOFMS as


a Broad-Spectrum Analysis for Endocrine Disruptor Compounds in Urban and Rural Watersheds


page 34-36


page 20-21


www.envirotech-online.com


IET March/April 2012


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