ESI Announces a $350,000 Private Placement

E. S. I. Environmental Sensors Inc. ("ESI" or the "Company") (TSX VENTURE:ESV)
is pleased to announce a non-brokered private placement of up to 7,000,000 units
("Units") at $0.05 per Unit to raise gross proceeds of up to CAD$350,000. Each
Unit will consist of one common share and one common share purchase warrant (a
"Warrant"). Each Warrant will be exercisable into an additional common share for
a period of three years from the closing date. The Warrants will be exercisable
at a price of $0.10 for the first year following the closing of the transaction,
$0.15 for the second year following closing, and $0.20 for the third year
following closing.


The Private Placement is subject to TSX Venture Exchange ("Exchange")
acceptance. The proceeds from this financing will be used for general working
capital purposes. Subject to Exchange approval, the Company will pay finders'
fees in connection with the private placement. 


About ESI

ESI is a leading manufacturer of patented and proprietary solutions for
environments where understanding the presence, movement, and/or amount of water
are important. Major market sectors include: Agriculture, Golf and Turf,
Scientific Research, Civil Engineering and Crude Oil. ESI solutions have been
successfully introduced into more than 40 countries to enable customers to
optimize their operations by monitoring the presence and movement of water,
managing irrigation systems, and monitoring the integrity of landfill covers.
Most recently, the Flo.Point(TM) instrument has been introduced to the Oil
industry to measure the volumetric presence of water pumped during crude oil
extraction for characterization and optimization of the process. ESI
differentiates itself by translating the best technology and science available
into practical, easy to use solutions. Irrigation managers, Reservoir Engineers,
and Scientists have adopted ESI's products for their accuracy, ease of use,
repeatability, and ability to operate in challenging environments. ESI is
publicly traded on the TSX Venture Exchange under the symbol "ESV". Further
information about ESI may be obtained through the Company's website at
www.esisensors.com.


On behalf of the Company:

Bernard Beauchesne, Chief Operating Officer

THE TSX VENTURE EXCHANGE HAS NOT REVIEWED AND DOES NOT ACCEPT RESPONSIBILITY FOR
THE ADEQUACY OR ACCURACY OF THIS RELEASE.


FOR FURTHER INFORMATION PLEASE CONTACT: 
E.S.I. Environmental Sensors Inc.
Investor Relations
250.655.3211 or 1-800-799.6324
[e-mail]


E.S.I. Environmental Sensors Inc.
Bernard Beauchesne
Media Contact
250.655.3211 or 1-800.799.6324
[e-mail]
www.esica.com