Exhibit 99.1
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FORM OF CERTIFICATION PURSUANT TO SECTION 1350 OF CHAPTER 63 OF TITLE 18 OF THE
UNITED STATES CODE


I, Terry J. Logan, the Chief Executive Officer of N-Viro International
Corporation, certify that (i) the Form 10-Q fully complies with the requirements
of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 and (ii) the
information contained in the Form 10-Q fairly presents, in all material
respects, the financial condition and results of operations of N-Viro
International Corporation.


/s/  Terry J. Logan
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Terry J. Logan, Chief Executive Officer
August 14, 2002




FORM OF CERTIFICATION PURSUANT TO SECTION 1350 OF CHAPTER 63 OF TITLE 18 OF THE
UNITED STATES CODE


I, James K. McHugh, the Chief Financial Officer of N-Viro International
Corporation, certify that (i) the Form 10-Q fully complies with the requirements
of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 and (ii) the
information contained in the Form 10-Q fairly presents, in all material
respects, the financial condition and results of operations of N-Viro
International Corporation.


/s/  James K. McHugh
--------------------------------------------
James K. McHugh, Chief Financial Officer
August 14, 2002