CONSENT OF CHARLES J. BIRNBERG, CPA, INDEPENDENT AUDITORS

We consent to the  reference to our firm under the caption  "Experts" and to the
use of our report  dated March 16, 1999,  in the  Registration  Statement  (Form
SB-2) and the related Prospectus of Tech Laboratories, Inc.


                                              /s/ Charles J. Birnberg
                                              ----------------------------------
                                              Charles J. Birnberg

Hackensack, New Jersey
July 9, 1999