SECURITIES AND EXCHANGE COMMISSION

                             WASHINGTON, D.C. 20549

                                   ----------

                                  SCHEDULE 13G

                        Information Statement pursuant to
                              Rule 13d-1 and 13d-2

                                   ----------

                             TECH LABORATORIES, INC.
                             -----------------------
                                (Name of Issuer)

                          COMMON STOCK $0.01 PAR VALUE
                          ----------------------------
                         (Title of Class of Securities)

                                    878249101
                                    ---------
                                 (CUSIP Number)

                                January 28, 2002
             -------------------------------------------------------
             (Date of event which requires filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule
is filed:

                                |_| Rule 13d-1(b)

                                |X| Rule 13d-1(c)

                                |_| Rule 13d-1(d)

                         (Continued on following pages)


                               (Page 1 of 4 Pages)

                                                               Page 2 of 4 Pages


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1   NAME OF REPORTING PERSON
    S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

    The Endeavour Capital Investment Fund S.A.
    None
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2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                         (a) |_|
                                                                         (b) |_|
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3   SEC USE ONLY


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4   CITIZENSHIP OR PLACE OF ORGANIZATION

    The Bahamas
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                  5    SOLE VOTING POWER

                       508,370 shares
                  --------------------------------------------------------------
  NUMBER OF       6    SHARED VOTING POWER
    SHARES
 BENEFICIALLY          None.
   OWNED BY       --------------------------------------------------------------
     EACH         7    SOLE DISPOSITIVE POWER
  REPORTING
    PERSON             508,370 shares
     WITH         --------------------------------------------------------------
                  8    SHARED DISPOSITIVE POWER

                       None.
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9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

    508,370 shares
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10  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

                                                                            |_|
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11  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

    9.99%
--------------------------------------------------------------------------------
12  TYPE OF REPORTING PERSON*

    CO
--------------------------------------------------------------------------------

                     *SEE INSTRUCTIONS BEFORE FILLING OUT


Item 1(a).  Name of Issuer.

            TECH LABORATORIES, INC.

Item 1(b).  Address of Issuer's Principal Executive Offices.

            955 Belmont Avenue
            North Haledon, New Jersey 07508

Item 2(a).  Names of Person Filing.

            The Endeavour Capital Investment Fund S.A.

Item 2(b).  Address of Principal Business Office, or if none, Residence.

            Cumberland House
            #27 Cumberland Street
            Nassau, New Providence
            The Bahamas

Item 2(c).  Citizenship.

            The Bahamas

Item 2(d).  Title of Class of Securities.

            Common Stock, $0.01 par value per share.

                                                               Page 3 of 4 Pages


Item 2(e).  CUSIP Number.

            878249101

Item 3.     If this statement is filed pursuant to Rules 13d-1(b) or 13d-2(b),
            check whether the person filing is a:

            N/A

Item 4.     Ownership.

      (a)   Amount beneficially owned by reporting person: 508,370 shares
      (b)   Percent of Class: 9.99%
      (c)   Number of shares as to which such person has:

            (i)   Sole power to direct the vote: 508,370 shares
            (ii)  Shared power to vote or to direct the vote: none.
            (iii) Sole power to dispose or direct the disposition of the Common
                  Stock: 508,370 shares of common stock of the Issuer..
            (iv)  Shared power to dispose or direct the disposition of: none.

Item 5.     Ownership of Five Percent or Less of a Class.

            Not applicable.

Item 6.     Ownership of More than Five Percent on Behalf of Another Person.

            Not applicable.

Item 7.     Identification and Classification of the Subsidiary Which Acquired
            the Security Being Reported on By the Parent Holding Company.

            Not applicable.

Item 8.     Identification and Classification of Members of the Group.

            Not applicable.

Item 9.     Notice of Dissolution of Group.

            Not applicable.

Item 10.    Certification.

            By signing below, I certify that, to the best of my knowledge and
            belief, the securities referred to above were not acquired and are
            not held for the purpose of or with the effect of changing or
            influencing the control of the issuer of the securities and were not
            acquired and are not held in connection with or as a participant in
            any transaction which could have that purpose or effect.

                                                               Page 4 of 4 Pages


            After reasonable inquiry and to the best of my knowledge and belief,
I certify that the information set forth in this statement is true, complete and
correct.

                                                 January 31, 2002
                                 -----------------------------------------------
                                                     (Date)

                                 -----------------------------------------------
                                 /s/ The Endeavour Capital Investment Fund, S.A.
                                           By: Barry Herman, President
                                 -----------------------------------------------


                                                /s/ Barry Herman

                                 -----------------------------------------------
                                                   (Signature)