PHARMCHEM INC
EXHIBIT 10.18
<DOCUMENT>
<TYPE>EX-10.18
<SEQUENCE>3
<FILENAME>f80276ex10-18.txt
<DESCRIPTION>EXHIBIT 10.18
<TEXT>
<PAGE>
                                                                   EXHIBIT 10.18

                 AMENDMENT TO 401(K) PLAN DATED DECEMBER 3, 2001



RESOLVED, that the Company's 401(k) Plan be modified so that effective January
1, 2002 the:

     (a)  Fidelity Freedom Fund 2040 be made available as an investment vehicle
          for participants;

     (b)  Plan address be changed to 4600 North Beach Street, Haltom City, Texas
          76137;

     (c)  enrollment period be the first of any calendar month following the 90
          day introductory period (subject to current plan limitations);

     (d)  contribution by an employee of up to 100% of a bonus award be
          permitted (subject to Plan limitations), and

     (e)  matching contribution by the Company be made to a participant only if
          1000 hours of service has been worked during the year to which the
          match applies.



/s/ JOE HALLIGAN                                 /s/ DAVID A. LATTANZIO
------------------------                         -------------------------
Joseph Halligan                                  David A. Lattanzio
Chief Executive Officer                          Chief Financial Officer




/S/ TOM CALDERON
------------------------
Tom Calderon
Controller

</TEXT>
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