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                                 Exhibit 10.19


                              EMPLOYMENT AGREEMENT
_______________________________________________________________________________

THIS AGREEMENT dated as of October 1, 1999, by and between Thermatrix Inc.
("Thermatrix") and Daniel S. Tedone ("Mr. Tedone") is made upon the following
terms and conditions.

1.  General: As of October 1, 1999 the Board of Directors of Thermatrix has
    appointed Mr. Tedone, and Mr. Tedone has agreed, to serve as Executive Vice
    President and Chief Financial Officer of Thermatrix. Mr. Tedone shall
    faithfully and diligently devote his full business time, energy and
    abilities to carrying out the normal and customary duties of such position
    as they relate to a public corporation. Mr. Tedone shall also serve as an
    officer of Thermatrix and an officer and/or director of Thermatrix
    subsidiaries or affiliates as required.

2.  Term: This Agreement shall commence on the date hereof and shall continue
    through the close of business on December 31, 2000 unless sooner terminated
    as herein provided.

3.  Salary. Thermatrix shall pay Mr. Tedone a salary of sixteen thousand six
    hundred sixty-seven dollars ($16,667.00) per month, at the same time and in
    the same manner as other officers of Thermatrix are paid, subject to all
    applicable taxes, withholdings and other required or requested employee
    deductions.

4.  Benefits. Mr. Tedone shall be entitled to participate in Thermatrix's
    medical and dental plans, life and disability insurance programs, 401(k)
    plan, employee stock purchase plan, holiday and vacation programs, and
    executive bonus plans that may be in effect and/or amended from time to
    time.

5.  Stock Options.  On October 13, 1999 Mr. Tedone shall be granted options to
    purchase 50,000 shares of Thermatrix common stock in accordance with the
    applicable employee stock option plan.

6.  Indemnification. With respect to claims made against Mr. Tedone as an
    officer and/or employee of Thermatrix and/or as a director, officer and/or
    employee of any subsidiary and/or affiliate of Thermatrix, Mr. Tedone shall
    be entitled to indemnification and reimbursement and/or payment of expenses
    by Thermatrix in accordance with his Indemnification Agreement.

7.  Severance Period and Severance Compensation. (a) The term "Severance Period"
    as used herein shall mean the twelve-month period immediately following the
    termination of Mr. Tedone's employment with Thermatrix. (b) The term
    "Severance Compensation" as used herein refers to the payment to Mr. Tedone
    of his Salary (as defined in Section 3) and the continuation of the Benefits
    (as defined in Section 4) at the expense of Thermatrix. It is expressly
    agreed that the Severance Compensation shall be in addition to any accrued
    vacation pay to which Mr. Tedone might otherwise be entitled on the
    termination of his employment with Thermatrix.

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8.  Termination by Thermatrix. Thermatrix may terminate Mr. Tedone's employment
    under this Agreement for any reason, at any time, by providing Mr. Tedone
    with 30-days written notice. In the event Mr. Tedone's employment is
    terminated for any reason other than for gross misconduct, Mr. Tedone shall
    be entitled to receive and Thermatrix shall pay the Severance Compensation
    for the Severance Period.

9.  Termination by Mr. Tedone. Mr. Tedone may terminate his employment under
    this Agreement in the event of a breach by Thermatrix in the performance of
    any of its obligations hereunder or a breach of any statutory obligation of
    Thermatrix to Mr. Tedone, provided that such breach is not remedied within
    30 days of its occurrence. In the event Mr. Tedone terminates his employment
    as a result of a breach of Thermatrix, he shall be entitled to receive and
    Thermatrix shall pay the Severance Compensation for the Severance Period. If
    Mr. Tedone voluntarily terminates his employment under this Agreement and
    Thermatrix is not in breach of this Agreement, he shall not be entitled to
    receive any additional compensation.

10. Miscellaneous: This Agreement shall be binding upon and inure to the benefit
    of the parties and their successors, and in the case of Thermatrix, its
    assigns.

IN WITNESS WHEREOF, the parties have executed and delivered this Agreement as of
the date first set forth above.

Thermatrix Inc.                           Daniel S. Tedone

/s/                                       /s/
___________________                       _______________________________
John T. Schofield
Chairman, President & CEO

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