------------------------------
                                                           OMB APPROVAL
                                                  -----------------------------
                                                  OMB Number
                                                  Expires:
                                                  Estimated average burden
                                                  hours per response .......
                                                  -----------------------------

                     U.S. SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549


                                     FORM 4

                  STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP


[_]  Check box if no longer  subject to Section 16.

Form 4 or Form 5 obligations may continue. See Instruction 1(b).


________________________________________________________________________________
1.   Name and Address of Reporting Person*

     Bjorndal                        Earl                 M.
--------------------------------------------------------------------------------
     (Last)                           (First)             (Middle)

     955 Belmont Avenue
--------------------------------------------------------------------------------
                                    (Street)

     North Haledon                    New Jersey            07508
--------------------------------------------------------------------------------
     (City)                           (State)              (Zip)

________________________________________________________________________________
2.   Issuer Name and Ticker or Trading Symbol

     Tech Laboratories, Inc. (TCHL)
________________________________________________________________________________
3.   IRS or Social Security Number of Reporting Person (Voluntary)


________________________________________________________________________________
4.   Statement for Month/Year

     1/01
________________________________________________________________________________
5.   If Amendment, Date of Original (Month/Year)


________________________________________________________________________________
6.   Relationship of Reporting Person(s) to Issuer (Check all applicable)

     [X]  Director                             [_]  10% Owner
     [X]  Officer (give title below)           [_]  Other (specify below)
          Vice President
________________________________________________________________________________
7.   Individual or Joint/Group Filing (Check Applicable Line)

     [X]  Form filed by one Reporting Person
     [_]  Form filed by More than One Reporting Person
________________________________________________________________________________


================================================================================
           Table I -- Non-Derivative Securities Acquired, Disposed of,
                             or Beneficially Owned
================================================================================


                                                                                                                6.
                                                                 4.                              5.             Owner-
                                                                 Securities Acquired (A) or      Amount of      ship
                                                    3.           Disposed of (D)                 Securities     Form:     7.
                                                    Transaction  (Instr. 3, 4 and 5)             Beneficially   Direct    Nature of
                                      2.            Code         ------------------------------- Owned at End   (D) or    Indirect
1.                                    Transaction   (Instr. 8)                   (A)             of Month       Indirect  Beneficial
Title of Security                     Date          ------------     Amount      or     Price    (Instr. 3      (I)       Ownership
(Instr. 3)                            (mm/dd/yy)     Code     V                  (D)             and 4)         (Instr.4) (Instr. 4)
------------------------------------------------------------------------------------------------------------------------------------
                                                                                               
Common Stock Par Value $.01                                                                      198,344           D
------------------------------------------------------------------------------------------------------------------------------------

------------------------------------------------------------------------------------------------------------------------------------

------------------------------------------------------------------------------------------------------------------------------------

------------------------------------------------------------------------------------------------------------------------------------

------------------------------------------------------------------------------------------------------------------------------------

------------------------------------------------------------------------------------------------------------------------------------

------------------------------------------------------------------------------------------------------------------------------------

------------------------------------------------------------------------------------------------------------------------------------

====================================================================================================================================






FORM 4 (continued)

Table II -- Derivative Securities Acquired, Disposed of, or Beneficially Owned
         (e.g., puts, calls, warrants, options, convertible securities)

================================================================================




                                                                                                                    10.
                                                                                                          9.        Owner-
                                                                                                          Number    ship
                                                                                                          of        Form
                    2.                                                                                    Deriv-    of
                    Conver-                    5.                              7.                         ative     Deriv-   11.
                    sion                       Number of                       Title and Amount           Secur-    ative    Nature
                    or                         Derivative    6.                of Underlying     8.       ities     Secur-   of
                    Exer-             4.       Securities    Date              Securities        Price    Bene-     ity:     In-
                    cise     3.       Trans-   Acquired (A)  Exercisable and   (Instr. 3 and 4)  of       ficially  Direct   direct
                    Price    Trans-   action   or Disposed   Expiration Date   ----------------  Deriv-   Owned     (D) or   Bene-
1.                  of       action   Code     of(D)         (Month/Day/Year)            Amount  ative    at End    In-      ficial
Title of            Deriv-   Date     (Instr.  (Instr. 3,    ----------------            or      Secur-   of        direct   Owner-
Derivative          ative    (Month/  8)       4 and 5)      Date     Expira-            Number  ity      Month     (I)      ship
Security            Secur-   Day/     ------   ------------  Exer-    tion               of      (Instr.  (Instr.   (Instr.  (Instr.
(Instr. 3)          ity      Year)    Code V    (A)   (D)    cisable  Date      Title    Shares  5)       4)        4)       4)
------------------------------------------------------------------------------------------------------------------------------------
                                                                                    
Employee Stock                                                                  Common
Option              $.50                                     Presently  10/1/03 Stock     50,000          50,000     D
------------------------------------------------------------------------------------------------------------------------------------
Employee Stock                                                                  Common
Option              $2.4375                                  Presently  1/02/06 Stock     25,000          25,000     D
------------------------------------------------------------------------------------------------------------------------------------

------------------------------------------------------------------------------------------------------------------------------------

------------------------------------------------------------------------------------------------------------------------------------

------------------------------------------------------------------------------------------------------------------------------------

------------------------------------------------------------------------------------------------------------------------------------

------------------------------------------------------------------------------------------------------------------------------------

------------------------------------------------------------------------------------------------------------------------------------

------------------------------------------------------------------------------------------------------------------------------------

------------------------------------------------------------------------------------------------------------------------------------

------------------------------------------------------------------------------------------------------------------------------------

====================================================================================================================================

Explanation of Responses:



     /s/  Earl Bjorndal                                      February 6, 2001
     -------------------------------                        -------------------
          Earl Bjorndal                                           Date


**     Intentional misstatements or omissions of facts constitute Federal
       Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note:  File three copies of this Form, one of which must be manually signed.
       If space provided is insufficient, see Instruction 6 for procedure.