EX-24.1 3 d24392_ex24-1.txt CONSENT OF CHARLES J. BIRNBERG, CPA 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 November 17, 2000, in Amendment No. 1 to the Registration Statement (Form SB-2) and the related Prospectus of Tech Laboratories, Inc. /s/ Charles J. Birnberg ---------------------------------- Charles J. Birnberg Hackensack, New Jersey January 19, 2001