Bowling Green, KY 1 December, 2004 Microsensor Systems, Inc, a leader in surface acoustic wave (SAW) technology for the detection of chemical warfare agents (CWAs), today announced successful completion of an independent, homeland security technology verification test of its HAZMATCAD Plus gas detector. The comprehensive CWA and TIC (toxic industrial chemical) testing was conducted by Battelle for the EPAs Environmental Technology Verification (ETV) Program (www.epa.gov/etv).

The ETV Program develops testing protocols and verifies the performance of innovative technologies that have the potential to improve the protection of human health and the environment. ETV was created to accelerate the entrance of new environmental technologies into the domestic and international marketplace.

The HAZMATCAD Plus portable detector uses hybrid technology, SAW and electrochemical (EC), for simultaneous detection of CWAs and toxic industrial chemicals, respectively. This testing provides a comprehensive verification of the detection standards advertised by MSI for the HAZMATCAD, particularly with regard to TICs.

A free copy of the EPA's ETV verification test report can be obtained on the internet at http://www.microsenorsystems.com, by calling 866.745.0099 or by emailing mktg@microsensorsystems.com.

Contact: Kathleen Powell Tel: 270.745.0099 ext. 35 Fax: 270.745.0095

Information on the performance characteristics of this technology can be found at www.epa.gov/etv or by calling Microsensor Systems, Inc. at 866.745.0099 for a copy of the ETV verification report. The use of the ETV Name or Logo does not imply approval or certification of this product nor does it make any explicit or implied statements as to the product performance.