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                     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).


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1.   Name and Address of Reporting Person*

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

     955 Belmont Avenue
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                                    (Street)

     North Haledon                    New Jersey            07508
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     (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

     3/01
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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
________________________________________________________________________________


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           Table I -- Non-Derivative Securities Acquired, Disposed of,
                             or Beneficially Owned
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                                                                                                                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)
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Common Stock Par Value $.01                                                                      198,444           D
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FORM 4 (continued)

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

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                                                                                                                    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)
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Employee Stock                                                                  Common
Option              $.875    3/1/01   A         25,000       Presently  3/1/06  Stock     25,000          25,000     D
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Employee Stock                                                                  Common
Option              $2.4375                                  Presently  1/02/06 Stock     25,000          25,000     D
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Explanation of Responses:



     /s/  Earl Bjorndal                                        March 12, 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.

This statement is being filed pursuant to the grant of options to purchase up to
50,000 shares of the Company's stock under the Company's 1996 Incentive Stock
Option Plan to Mr. Bjorndal. Options to purchase up to 25,000 shares are vested
and the remaining 25,000 vest next year.