SystemOne Technologies Announces Delisting from Nasdaq Stock Market

    MIAMI, May 8 SystemOne Technologies Inc., formerly Mansur
Industries Inc., today announced that a determination has been made by the
Nasdaq Listing Qualification Panel to deny the Company's request for continued
inclusion on The Nasdaq SmallCap Market and accordingly the Company's
securities will be delisted from the Nasdaq Stock Market effective with the
open of business today.
    The Company's securities are immediately eligible to trade on the OTC
Bulletin Board.
    Founded in 1990, SystemOne Technologies designs, manufactures, sells and
supports a full range of self-contained, recycling industrial parts washing
products for use in the automotive, aviation, marine and general industrial
markets.  The Company has been awarded ten patents for its products, which
incorporate innovative, proprietary resource recovery and waste minimization
technologies.  The Company is headquartered in Miami, Florida.


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