EXHIBIT 24.2 CONSENT OF ARTHUR ANDERSEN L.L.P. As independent public accountants, we hereby consent to the incorporation by reference in this registration statement of our report dated September 29, 1995 included in Delta-Omega Technology, Inc.'s Form 10-KSB for the year ended August 31, 1995 and to all references to our Firm included in this registration statement. /s/ ARTHUR ANDERSEN LLP New Orleans, Louisiana June 27, 1996