Consent of Independent Certified Public Accountants

We hereby  consent to the use in this  Registration  Statement on Form S-4 dated
May 6,  1999 of our  report  dated  April 2,  1999,  relating  to the  financial
statements of  Environmental  Technologies  and Software  Solutions,  Inc. as of
December 31, 1998 and to the  reference to our firm under the caption  "EXPERTS"
in the registration statement.

                                      James E. Scheifley & Associates, P.C.
                                      Certified Public Accountants

May 6, 1999
Denver, Colorado