<DOCUMENT>
<TYPE>EX-32.1
<SEQUENCE>21
<FILENAME>h10836aexv32w1.txt
<DESCRIPTION>CERTIFICATION OF PEO PURSUANT TO SECTION 906
<TEXT>
<PAGE>

                                                                    EXHIBIT 32.1


                       CERTIFICATION FURNISHED PURSUANT TO
                             18 U.S.C. SECTION 1350,
                             AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

         In connection with this Amendment No. 1 to the Quarterly Report of
Verdisys, Inc. (the "Company") on Form 10-QSB/A for the period ended June 30,
2003, as filed with the Securities and Exchange Commission on the date hereof
(the "Report"), I, Dan Williams, Principal Executive Officer of the Company,
certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906
of the Sarbanes-Oxley Act of 2002, that:

         1) The Report fully complies with the requirements of Section 13(a) or
15(d) of the Securities Exchange Act of 1934; and

         2) The information contained in the Report fairly presents, in all
material respects, the financial condition and results of operations of the
Company.

                             /s/ DAN WILLIAMS
                             -----------------------------------
                             Name:   Dan Williams
                             Title:  Principal Executive Officer
                             Date:   November 20, 2003

A signed original of this statement required by Section 906 has been provided to
Verdisys, Inc. and will be retained by Verdisys, Inc. and furnished to the
Securities and Exchange Commission or its staff upon request.



</TEXT>
</DOCUMENT>
