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Home > Press > zNoseŽ Detects Sarin and Mustard Gas at Part Per Trillion Level

Abstract:
Electronic Sensor Technology (EST) (OTCBB:ESNR), a leading provider of innovative homeland security and environmental solutions, announces excellent results of real nerve agent testing in China. The experiment was performed by EST's distributor in China, Beijing R&D Technology, using a military facility in China.

zNoseŽ Detects Sarin and Mustard Gas at Part Per Trillion Level

NEWBURY PARK, CA | Posted on August 21st, 2008

This is the first time the zNoseŽ has actually measured real nerve agents, simulants were used in prior testing. Sarin and Mustard Gas were detected at very low concentrations levels. The minimum detection level (MDL) for Sarin is 85 parts per trillion (ppt) and the MDL for Mustard Gas is 100 ppt. These levels are well below the concentrations that begin to cause effects in an exposed population. The IDLH (Immediately Dangerous to Life and Health) level is the concentration of a nerve agent that would cause immediate or delayed permanent adverse effects after 30 minutes of unprotected exposure. The IDLH value for Sarin is 30 parts per billion. (1 part per billion is 1000 times larger than 1 part per trillion) Based on the above data, the zNose would give an indication of a Sarin attack at levels 350 times lower than the IDLH concentration. Mustard gas is less hazardous than Sarin (a higher IDLH) and thus would also be easily detectable before it poses a serious threat. Some nerve agents such as Sarin are odorless and cause permanent adverse effects or even death well before exposure is realized. In order to save human lives, it is critical to have a detection system in place that can detect these gases at very low concentrations. This makes the zNose a great sensory tool in the fight to protect lives from nerve agent attack.

For more information on the test result, click on the following link: www.estcal.com/TechPapers/Security/Real Nerve Agents.pdf

####

About Electronic Sensor Technology (EST)
Founded in 1995, Electronic Sensor Technology has developed and patented a chemical vapor analysis process with applications for the homeland security and environment markets.

SEC Filings and Forward-Looking Statements

This press release includes forward-looking statements, including the Company's expectations regarding its ability to develop and access capital markets and its ability to achieve expected results in the chemical detection and analysis industry. The forward-looking statements are identified through use of the words "potential," "anticipate," "expect," "planned" and other words of similar meaning. These forward-looking statements may be affected by the risks and uncertainties inherent in the chemical detection and analysis industry and in the Company's business. The Company cautions readers that certain important factors may have affected and could in the future affect the Company's beliefs and expectations, and could cause the actual results to differ materially from those expressed in any forward-looking statement made by or on behalf of the Company. For a discussion of these factors, please refer to our recent filings with the Securities and Exchange Commission, including our most recent report on Form 10-KSB. The Company undertakes no obligation to update forward-looking statements to reflect events or circumstances after the date hereof.

For more information, please click here

Contacts:
Electronic Sensor Technology
William Wittmeyers
650-574-1257

Copyright © Business Wire 2008

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