<PAGE>

                                                                    Exhibit 31.1

                    CERTIFICATION OF CHIEF EXECUTIVE OFFICER
                PURSUANT TO THE SECURITIES EXCHANGE ACT OF 1934,
                             RULES 13a-14 AND 15d-14
                             AS ADOPTED PURSUANT TO
                  SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

         In connection with the Annual Report of American Soil Technologies,
Inc. (the "Company") on Form 10-KSB for the period ending June 30, 2003 as filed
with the Securities and Exchange Commission on the date hereof (the "Report"),
I, Carl P. Ranno, Chief Executive Officer and President of the Company, certify,
pursuant to Rules 13a-14 and 15-d14 of the Securities Exchange Act of 1934 (the
"Exchange Act"), as adopted pursuant to ss.302 of the Sarbanes-Oxley Act of
2002, that:

1.       I have reviewed this Report;

2.       Based on my knowledge, this Report does not contain any untrue
         statement of a material fact or omit to state a material fact necessary
         to make the statements made, in light of the circumstances under which
         such statements were made, not misleading with respect to the period
         covered by this Report;

3.       Based on my knowledge, the financial statements, and other financial
         information included in this Report, fairly present in all material
         respects the financial condition, results of operations and cash flows
         of the Company, as of, and for, the periods presented in this Report;

4.       I and the other certifying officers of the Company are responsible for
         establishing and maintaining disclosure controls and procedures (as
         defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) for the Company
         and have:

         (a) Designed such disclosure controls and procedures, or caused such
         disclosure controls and procedures to be designed under our
         supervision, to ensure that material information relating to the
         Company, including any consolidated subsidiaries, is made known to us
         by others within those entities, particularly during the period in
         which this Report is being prepared;

         (b) Evaluated the effectiveness of the Company's disclosure controls
         and procedures and presented in this Report our conclusions about the
         effectiveness of the disclosure controls and procedures, as of the end
         of the period covered by this Report based on such evaluation; and

         (c) Disclosed in this Report any change in the Company's internal
         control over financial reporting that occurred during the Company's
         most recent fiscal quarter (the Company's fourth fiscal quarter in the
         case of an annual report) that has materially affected, or is
         reasonably likely to materially affect, the Company's internal control
         over financial reporting; and



<PAGE>

5.       I and the other certifying officers have disclosed, based on our most
         recent evaluation of internal control over financial reporting, to the
         Company's auditors and to the audit committee of the Company's board of
         directors (or persons performing the equivalent functions):

         (a) All significant deficiencies and material weaknesses in the design
         or operation of internal control over financial reporting which are
         reasonably likely to adversely affect the Company's ability to record,
         process, summarize and report financial information; and

         (b) Any fraud, whether or not material, that involves management or
         other employees who have a significant role in the Company's internal
         control over financial reporting.


/s/ Carl P. Ranno
----------------------------------------
Carl P. Ranno,
Chief Executive Officer and President
September 29, 2003