Rennova Health (RNVA) 10-K 2006 FY Annual report

EXHIBIT 32.1

CERTIFICATION PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

(18 U.S.C. SECTION 1350)

In connection with the amended Annual Report of Tegal Corporation, a Delaware corporation (the “Company”), on Form 10-K for the year ending March 31, 2006 as filed with the Securities and Exchange Commission (the “Report”), I, Thomas R. Mika, President and Chief Executive Officer of the Company, certify, pursuant to § 906 of the Sarbanes-Oxley Act of 2002 (18 U.S.C. § 1350), that to my knowledge:

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

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

/s/   Thomas R. Mika

Chief Executive Officer and President

June 9, 2006

CERTIFICATION PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

(18 U.S.C. SECTION 1350)

In connection with the amended Annual Report of Tegal Corporation, a Delaware corporation (the “Company”), on Form 10-K for the year ending March 31, 2006 as filed with the Securities and Exchange Commission (the “Report”), I, Christine Hergenrother, Chief Financial Officer of the Company, certify, pursuant to § 906 of the Sarbanes-Oxley Act of 2002 (18 U.S.C. § 1350), that to my knowledge:

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

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

/s/   Christine Hergenrother

Chief Financial Officer

June 9, 2006

70