Oct. 6, 2009 (Marketwire Canada) -- VANCOUVER, BRITISH COLUMBIA--(Marketwire - Oct. 6, 2009) -

BULLETIN TYPE: Cease Trade Order
BULLETIN DATE: October 6, 2009
TSX Venture Tier 1 Company
A Cease Trade Order has been issued by the British Columbia Securities
Commission on October 6, 2009, against the following Company for failing to
file the documents indicated within the required time period:
Period
Ending
Symbol   Company                            Failure to File          (Y/M/D)
("ESV")  E.S.I. Environmental Sensors Inc.  comparative financial  09/03/31
statement
interim financial      09/06/30
statement
management's           09/03/31
discussion & analysis
management's           09/06/30
discussion & analysis
Upon revocation of the Cease Trade Order, the Company's shares will remain
suspended until the Company meets TSX Venture Exchange requirements.
Members are prohibited from trading in the securities of the company during
the period of the suspension or until further notice.
TSX-X
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(x) Please note that IIROC is not able to provide any additional information regarding a specific trading halt or resume. Information is limited to general enquiries only.