Page 1 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 -------------------------------------------------------------------------------- Amendment No. 1 TO SCHEDULE 13D Under the Securities Exchange Act of 1934 TECH LABORATORIES INC. ---------------------- (NAME OF ISSUER) Common Stock ------------ (TITLE OF CLASS OF SECURITIES) (CUSIP NUMBER) Mark Angelo Cornell Capital Partners, LP 101 Hudson Street, Suite 3700 Jersey City, New Jersey 07302 (201) 985-8300 (NAME, ADDRESS AND TELEPHONE NUMBER OF PERSON AUTHORIZED TO RECEIVE NOTICES AND COMMUNICATIONS) Copy To: David Gonzalez, Esq. Butler Gonzalez LLP 1416 Morris Avenue - Suite 207 Union, NJ 07083 (908) 810-8588 July 1, 2004 -------------- (DATE OF EVENT WHICH REQUIRES FILING OF THIS STATEMENT) If the filing person has previously filed a statement on Schedule 13G to report the acquisition which is the subject of this Schedule 13D, and is filing this schedule because of Rule 13d-1(b)(3) or (4), check the following box |_|. SCHEDULE 13D Page 2 The Schedule 13D filed on July 1, 2004 was filed in error. As of the date hereof Cornell Capital Partners, LP ("Cornell"), Yorkville Advisors, LLC ("Yorkville"), as its general parnter, and Mark Angelo as the portfolio manager of Cornell and president of Yorkville are the beneficial owners of less than 4.99% of the issued and outstanding shares. Page 3 SIGNATURE After reasonable inquiry and to the best of each of the undersigned's knowledge and belief, each certifies that the information set forth in this statement is true, complete and correct. DATED: July 2, 2004 REPORTING PERSONS: ----------------- CORNELL CAPITAL PARTNERS, LP By: Yorkville Advisors, LLC Its: General Partner By: /s/ Mark Angelo ------------------------------------- Name: Mark Angelo Its: Portfolio Manager YORKVILLE ADVISORS, LLC By: /s/ Mark Angelo ------------------------------------- Name: Mark Angelo Its: Portfolio Manager /s/ Mark Angelo --------------------------------------- MARK ANGELO