EXHIBIT 32.2
                CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350,
                   AS ADOPTED PURSUANT TO SECTION 906 OF THE
                           SARBANES-OXLEY ACT OF 2002

In connection  with the  quarterly  report of Avitar,  Inc.  (the  "Company") on
Form10-QSB/A  for the  period  ending  December  31,  2005  as  filed  with  the
Securities and Exchange Commission on the date hereof (the "Report"),  I, Jay C.
Leatherman,  Jr., Chief Financial 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, to my knowledge, that:

     (1) The Report  fully  complies  with the  requirements  of  Section  13(a)
or15(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.

Date: February 14, 2006

                                       /s/ Jay C. Leatherman, Jr.
                                       -------------------------
                                       Jay C. Leatherman, Jr.
                                       Chief Financial Officer (Principal
                                       Financial and Accounting Officer),
                                       Secretary