EnSys Environmental Products Inc. raised $18 million in itsinitial public offering in late October.

The environmental diagnostics company sold 1.8 million sharesof common stock (NASDAQ:ENSY) at $10 per share. Theunderwriters, Alex. Brown & Sons Inc. and First AnalysisSecurities Corp., have an option to purchase an additional270,000 shares of stock to cover any overallotments.

EnSys of Research Triangle Park, N.C., develops immunoassay-based test systems for the environmental industry. Itsportable tests include nine kits to analyze soil and water forsuch contaminants as PCBs, petroleum fuel products,pentachlorophenol, PAIIs and TNT. EnSys' stock closedunchanged Wednesday at $9.88 a share. --Jennifer Van Brunt

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