Document:

Exhibit 4.2

                NON-TRANSFERABLE WARRANT TO PURCHASE COMMON STOCK

            _______ Shares of Common Stock of MEDTOX Scientific, Inc.

                                                              ___________, 1999

    THIS CERTIFIES THAT,  ________________  (the "Holder"),  is entitled to
subscribe for and purchase from MEDTOX Scientific,  Inc., a Delaware corporation
(the "Company") from December 15, 1999 through December 31, 2001 up to _________
(_______) fully paid and  non-assessable  shares (the "Shares") of the Company's
Common  Stock,  $.15 par value (the  "Common  Stock") at a price of $0.1625  per
share.

         In addition to the aforedescribed  conditions of exercise, this Warrant
is subject to the following provisions, terms and conditions:

         1. Exercise of Warrant.  The purchase rights under this Warrant must be
exercised, in whole or in part, by the Holder surrendering this Warrant with the
form of  subscription  attached  hereto  duly  executed by such  Holder,  to the
Company at its principal office, accompanied by payment, in cash or by certified
or official  bank check  payable to the order of the  Company,  of the  purchase
price payable in respect of the Common Stock being  purchased.  If less than all
of the Common Stock is purchased, the Company will, upon such exercise,  execute
and  deliver  to the  Holder  hereof  a new  Warrant  (dated  the  date  hereof)
evidencing  the number of shares of Common  Stock not so  purchased.  As soon as
practicable  after the  exercise of this  Warrant  and  payment of the  purchase
price,  the Company will cause to be issued in the name of and  delivered to the
Holder  hereof,  or as such Holder may direct,  a  certificate  or  certificates
representing the Shares purchased upon such exercise.

         The Company may require that such  certificate or certificates  contain
on the face thereof a legend substantially as follows:

                  "The securities represented by the within certificate have not
                  been registered  under the Securities Act of 1933, as amended,
                  or under the applicable provisions of any State Blue Sky laws,
                  and may not be sold,  transferred  or  otherwise  disposed  of
                  unless (1) the Company  consents in writing to such  transfer,
                  or (2) at the time of the proposed  transfer,  the  securities
                  are eligible  for public  resale under Rule 144 of the General
                  Rules  and   Regulations   of  the   Securities  and  Exchange
                  Commission under the Securities Act (or successor rule if Rule
                  144 is no longer  then in effect)  and such  transfer  is made
                  pursuant to Rule 144."

     2.  Negotiability  and  Transfer.  This  Warrant may not be sold,  pledged,
gifted or  otherwise  transferred  without  the express  written  consent of the
Company.

     3.  Antidilution  Adjustments.  In  case  the  Company  shall  at any  time
hereafter  subdivide (i.e., stock split) or combine (i.e.,  reverse stock split)
its outstanding  shares of Common Stock, or declare a dividend payable in Common
Stock,  the  exercise  price in  effect  immediately  prior to the  subdivision,
combination  or record  date for such  dividend  payable in Common  Stock  shall
forthwith  be  proportionately  increased,  in  the  case  of  combination,   or
proportionately  decreased,  in the  case of  subdivision  or  declaration  of a
dividend  payable in Common  Stock,  and each share of Common Stock  purchasable
upon  exercise  of the  Warrant  shall be changed to the  number  determined  by
dividing the then current exercise price by the exercise price as adjusted after
such subdivision, combination or dividend payable in Common Stock.
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         No fractional shares of Common Stock are to be issued upon the exercise
of the Warrant,  but the Company  shall pay a cash  adjustment in respect of any
fraction of a share which would  otherwise be issuable in an amount equal to the
same  fraction of the per share value of Common  Stock on the day of exercise as
determined in good faith by the Company.

         In case of any capital  reorganization or any  reclassification  of the
shares of Common Stock of the Company,  or in the case of any consolidation with
or merger of the Company into or with another corporation, or the sale of all or
substantially all of its assets to another  corporation  effected in such manner
that the holders of common shares shall be entitled to receive stock, securities
or assets with respect to or in exchange for Common  Stock,  then,  as a part of
such  reorganization,  reclassification,  consolidation,  merger or sale, as the
case may be,  lawful  provision  shall be made so that the Holder of the Warrant
shall have the right thereafter to receive,  upon the exercise hereof,  the kind
and amount of shares of stock or other  securities or property  which the holder
would  have  been   entitled   to  receive   if,   immediately   prior  to  such
reorganization,  reclassification,  consolidation or merger, the Holder had held
the  number of  shares of Common  Stock  which  were then  purchasable  upon the
exercise of the Warrant. In any such case, appropriate adjustment (as determined
in good faith by the Board of  Directors  of the  Company)  shall be made in the
application  of the  provisions  set forth herein with respect to the rights and
interest thereafter of the Holder of the Warrant, to the end that the provisions
set forth  herein  (including  provisions  with  respect to  adjustments  of the
exercise price) shall thereafter be applicable,  as nearly as reasonably  maybe,
in relation to any shares of stock or other property thereafter deliverable upon
the exercise of the Warrant.

         When any  adjustment  is  required  to be made in the  exercise  price,
initial or adjusted,  the Company  shall  forthwith  determine  the new exercise
price; and

     (a) Prepare and retain on file a statement  describing in reasonable detail
the method used in arriving at the new exercise price; and

     (b)  Cause a copy of such  statement  to be  mailed  to the  Holder  of the
Warrant as of a date within then (10) days after the date when the circumstances
giving rise to the adjustment occurred.

     4. No  Registration  Rights.  No  Holder  of the  Warrant  shall  have  any
registration  rights  under the terms of the Warrant  with respect to either the
Warrant or the securities issuable upon exercise of the Warrant.

     5. Limitation of Rights;  Notices.  The Holder of the Warrant shall have no
voting rights or dividend  rights with respect to the Shares before exercise and
payment  therefor.  The Company shall mail a notice to the registered  Holder of
the Warrant,  at the Holder's  last known post office  address  appearing on the
books of the Company, not less than fifteen (15) days prior to the date on which
(a) a record will be taken for the purpose of determining  the holders of Common
Stock entitled to dividends,  or (b) a record will be taken (of in lieu thereof,
the transfer books will be closed) for the purpose of determining the holders of
Common Stock entitled to notice of and to vote at a meeting of  stockholders  at
which any capital  reorganization,  reclassification  of shares of Common Stock,
consolidation,   merger,  dissolution,   liquidation,  winding  up  or  sale  of
substantially all of the Company's assets shall be considered and acted upon.

     6.  Reservation  of Common  Stock.  A number  of  shares  of  Common  Stock
sufficient  to provide for the exercise of the Warrant upon the basis herein set
forth shall at all times be reserved for the exercise thereof.

     7.  Miscellaneous.  The  representatives,  warranties and agreements herein
contained  shall survive the exercise of the Warrant.  References to the "holder
of" include the  immediate  holders of shares  purchased  on the exercise of the
Warrant, and the words "holder" shall include the plural thereof.
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         All shares of Common Stock or other securities issued upon the exercise
of the Warrant shall be validly issued,  fully paid and  nonassessable,  and the
Company will pay all taxes in respect of the issuer thereof.

     8.  Acknowledgement of the Warrant Holder. The Holder hereby represents and
warrants as follows:

     (a) to the extent  requested,  the Holder has  provided  the  Company  with
complete and accurate  information  concerning  its  knowledge,  experience  and
financial condition;

     (b)  as a  sophisticated  investor,  the  Holder  has  such  knowledge  and
experience  in  financial  business  matters  that it  believes it is capable of
evaluating the merits and risks of the prospective investment in the Warrant;

     (c) the Holder recognizes that investment in the Warrant may involve a high
degree of risk and  immediate  substantial  dilution,  that the  purchase of the
Warrant  maybe a  long-term  investment,  that  transferability  and  resale  is
restricted  and that,  in the event of  disposition  of the  underlying  capital
stock, the undersigned could sustain a loss;

     (d) in connection with the purchase of the Warrant,  the Holder  represents
and warrants that the Holder intends to acquire the Warrant for the Holder's own
account  for  investment  purposes  and  not  with a view  to or for  resale  in
connection with any  distribution  thereof,  and agrees that the Holder will not
sell or assign the Warrant without registration under all applicable  securities
law  or  appropriate  exemption  therefrom.   The  undersigned  understands  and
acknowledges  that the Warrant has not been registered  under the Securities Act
of 1933 nor under  applicable  Blue Sky laws,  pursuant to exemption  therefrom,
which depend upon its investment intention. The undersigned also understands and
acknowledges  that  the  underlying  capital  stock  has not  been  nor  will be
registered  under  applicable  securities  laws and therefore will not be freely
transferable  and that the  shares  of  capital  stock  will be  marked  with an
appropriate legend reciting the resale restrictions.

     IN  WITNESS  WHEREOF,  this  Warrant  has  been  duly  executed  by  MEDTOX
Scientific, Inc. this __ day of ____________, 1999.

                                      MEDTOX Scientific, Inc.

                                      By__________________________
                                      Its__________________________

         The Holder hereby acknowledges the terms and conditions of the transfer
restrictions herein contained and only executes this Warrant for that purpose.Exhibit 10.44
                              EMPLOYMENT AGREEMENT

          THIS   AGREEMENT,   dated  January  1,  2000  by  and  between  MEDTOX
Scientific,  Inc., a corporation (the "Company") and Richard J. Braun a resident
of Minnesota ("Executive").

         WHEREAS,  the Company  desires to employ  Executive upon and subject to
the terms and conditions set forth in this agreement,  and Executive  desires to
render services for the Company on such terms and conditions.

         NOW,  THEREFORE,  in  consideration  of the premises and the respective
undertakings  of the  Company and  Executive  set forth  below,  the Company and
Executive agree as follows:

     1 . Definitions.  The following defined terms have the respective  meanings
described below:

     1.1 Change in Control.  A "Change in Control" of the Company shall mean any
of the following:

          (a) a change in  control  of a nature  that  would be  required  to be
     reported  in  response  to Item  6(c) of  Schedule  14A of  Regulation  14A
     promulgated  under the  Securities  Exchange  Act of 1934,  as amended (the
     "Exchange  Act"),  whether  or not  the  Company  is then  subject  to such
     reporting requirement; or

          (b) a merger  or  consolidation  to which the  Company  is a party if,
     following  the  effective  date  of  such  merger  or  consolidation,   the
     individuals and entities who were  shareholders of the Company prior to the
     effective date of such merger or  consolidation  have beneficial  ownership
     (as  defined  in Rule  13d-3  under the  Exchange  Act) of less than  fifty
     percent  (50%) of the combined  voting power of the  surviving  corporation
     following the effective date of such merger or consolidation; or

          (c) when,  during any period of twenty-four  (24)  consecutive  months
     during the term of this Agreement, the individuals who, at the beginning of
     such period, constitute the Board (the "Incumbent Directors") cease for any
     reason  other  than  death  to  constitute  at  least a  majority  thereof,
     provided,  however, that a director who was not a director at the beginning
     of such  twenty-four  (24) month period  shall be deemed to have  satisfied
     such twenty-four (24) month requirement,  and be an Incumbent Director,  if
     such  director  was  elected  by, or on the  recommendation  of or with the
     approval of, at least  two-thirds of the  directors  who then  qualified as
     Incumbent  Directors  either  actually,  because they were directors at the
     beginning of such twenty-four  (24) month period,  or by prior operation of
     this Section.

1.2  Potential Change in Control. A "Potential Change in Control" of the Company
     shall be deemed to have occurred if:

<PAGE>

          (a) the Company enters into an agreement,  the  consummation  of which
     would result in the occurrence of a Change in Control;

          (b) any person (including the Company) publicly announces an intention
     to take or to consider taking actions which if consummated would constitute
     a Change in Control;

          (c) any person becomes the beneficial  owner,  directly or indirectly,
     of securities of the Company  representing ten percent (10%) or more of the
     combined voting power of the Company's then outstanding securities; or

          (d) the Board adopts a resolution to the effect that, for the purposes
     of this  Agreement,  a  "Potential  Change in  Control"  of the Company has
     occurred.

1.3 Cause.  Termination by the Company of the  Executive's  employment
     for "Cause" shall mean termination upon:

          (a)  the  willful  and   continued   failure  by  the   Executive   to
     substantially  perform an  Executive's  duties with the Company (other than
     any such failure  resulting from Executive's  incapacity due to physical or
     mental  illness)  after a written  demand for  substantial  performance  is
     delivered  to the  Executive by the  Company's  Board of  Directors,  which
     demand  specifically  identifies  the manner in which the Company  believes
     that Executive has not substantially performed Executive's duties; or

          (b)  the  willful  engaging  by the  Executive  in  conduct  which  is
     demonstrably  and  materially  injurious  to  the  Company,  monetarily  or
     otherwise.

For purposes of this Section 1.3, no act, or failure to act, on the  Executive's
part shall be deemed  "willful"  unless  done,  or  omitted  to be done,  by the
Executive not in good faith and without  reasonable  belief that the Executive's
action or omission was in the best interest of the Company.

     1.4  Company.  The term  "Company"  means MEDTOX  Scientific.  Inc. and any
successors and assigns of the Company.

2.   Employment.  The  Company  hereby  employs  Executive  as  Chief  Executive
     Officer,  and  Executive  accepts  such  employment  and  agrees to perform
     services  for the  Company,  for the  period  and upon the other  terms and
     conditions set forth in this agreement.

3.   Term of Employment.  The term of Executive's employment hereunder ("Term of
     Employment")  shall  commence on the date hereof and shall  continue  for a
     three year period ending on December 31, 2002 (unless earlier terminated in
     accordance with the provisions of Section 13 of this  agreement).  The Term
     of Employment shall be automatically  extended by successive 12-month terms
     thereafter.

4.   Position and Duties

                  4.1  Service  with  Company.  During  his Term of  Employment,
         Executive  agrees  to  perform  such  reasonable   employment   duties,

<PAGE>

         consistent with the terms of this agreement,  as the Board of Directors
         of the Company  shall assign to him from time to time,  Such duties and
         employment  responsibilities  shall be performed in accordance with the
         Company's rules, regulations and instructions now in force or which may
         be adopted by the Company in the future. During the Executive's Term of
         Employment,  the Board of Directors  shall  nominate  and  recommend to
         shareholders the election of, and vote all shareholder proxies in favor
         of, Executive's election to the Company's Board of Directors.

                  4.2 Performance of Duties. During his Term of Employment,  the
         Executive  agrees to serve the Company  exclusively  and to the best of
         his ability.  The Executive shall have active  involvement and be fully
         committed to the business and affairs of the Company,  and shall devote
         one hundred percent of his business time to the affairs of the Company,
         except for (i) vacations and excused  leaves of absence as permitted in
         accordance with Company policy; (ii) service on the Boards of Directors
         of  other  companies  at the  discretion  of  the  Company's  Board  of
         Directors;  (iii) service on the Boards of Directors of  not-for-profit
         entities without approval of the Company's Board of Directors; and (iv)
         a  reasonable  amount of time  during  the  business  day to handle his
         personal  affairs.  Executive  hereby  confirms  that  he is  under  no
         contractual commitments  inconsistent with his obligations set forth in
         this  agreement  and that  during  his Term of  Employment,  except  as
         provided  herein,  he will not render or perform services for any other
         corporation,  fin-n,  entity or person,  nor will he become involved in
         the operations or management of any other commercial corporation, firm,
         entity or person.

5.   Compensation.

                  5.1 Base Salary. Initial base compensation for all services to
         be rendered by the Executive  under this  agreement  during the Term of
         Employment, the Company shall pay to Executive an annual base salary of
         $250,000 per year,  which salary shall be paid in  accordance  with the
         Company's normal payroll procedures and policies.

          5.2 Annual Bonus Plan. Executive shall participate in the Annual Bonus
     Plan of the Company set forth in Attachment 2 to this Agreement.

          5.3  Performance  Unit  Plan.   Executive  shall  participate  in  the
     Performance  Unit Plan of the  Company  set forth in  Attachment  3 to this
     Agreement.

          5.4 Benefits.  Executive  shall be entitled to such  Company-sponsored
     benefits as are provided to executive employees of the Company,  subject to
     the terms and conditions of the applicable policies and/or plans. Executive
     shall  be  entitled  to the  specific  additional  benefits  enumerated  in
     Attachment 4 to this Agreement.

          5.5  Restricted  Stock.  Executive  shall be  entitled  to  grants  of
     restricted stock as provided in Attachment 5 of this Agreement.

         6. Executive's Agreement to Continue Employment for Six (6) Months. The
Executive agrees that, subject to the terms and conditions of this Agreement, in
the event of a Potential  Change in Control of the Company  occurring during the
Term of Employment, if so requested by the Company, Executive will remain in the
employ of the Company  for a period of six (6) months  after the  occurrence  of
such  Potential  Change in Control of the Company.  If more than one  "Potential
Change in Control" occurs during the Term of Employment,  the provisions of this
Section 6 shall be applicable to each  "Potential  Change of Control"  occurring
prior to the occurrence of a Change in Control.

         7. Severance Payments. If during the Term of Employment, (i) whether or
not a Change in Control or Potential Change in Control has occurred, the Company
terminates  the employment of Executive  other than for Cause,  (ii) a Change in
Control  has  occurred  and  Executive  has  complied  with  Section  6 of  this
Agreement,  or (iii)  the  Executive's  duties,  responsibilities  or  authority

<PAGE>

(including status, office, title, reporting relationships or working conditions)
have been materially altered from those in effect on the date of this Agreement,
(iv) the Executive has been required to relocate to an office or related  entity
more than fifty (50) miles from the office  where  Executive  was located on the
date hereof,  or (v) the Company has breached any of its obligations  under this
Agreement, then, in any such event (at the Executive's option in the case of any
event described in clause (ii) through (v) above),  the  Executive's  employment
hereunder shall cease and Executive shall be entitled to the following benefits:

                  (a)      the Company  will pay to  Executive  the  Executive's
                           then  current  base salary for the greater of (i) the
                           twelve (12) month period  following  the date of such
                           termination,  or  (ii)  the  balance  of the  Term of
                           Employment  hereunder,  in  either  case  subject  to
                           applicable  withholdings  and in accordance  with the
                           regular payroll practices of the Company; and

                  (b)      continuous coverage, at the Company's expense,  under
                           any group health plan  maintained  by or on behalf of
                           the Company,  in which  Executive  participated as of
                           the Date of  Termination,  for the greater of (i) the
                           twelve  (12)  month  period  following  the  date  of
                           termination,  or  (ii)  the  balance  of the  Term of
                           Employment hereunder; and

                  (c)      continued  participation  in the  Annual  Bonus  Plan
                           referenced  in Section 5.3, on a pro rata basis,  and
                           continued benefits referenced in Attachment 4 to this
                           Agreement,  for the same period as base salary  shall
                           be payable pursuant to Section 7(a).

     Executive's right to continued  coverage under this section shall in no way
reduce or limit any continuation  coverage under such group health plan to which
Executive or any of Executive's  qualified  beneficiaries are entitled under the
provisions  of the  Consolidated  Omnibus  Budget  Reconciliation  Act  of  1985
("COBRA") or Minnesota  Statutes  61A.092 and 62A.17 et seq.  This  extension of
coverage, however, shall be coordinated with, and shall be provided concurrently
with, any benefits or continuation  rights otherwise  available to Executive and
Executive's  eligible dependents under state or federal continuation of coverage
statutes, including but not limited to, Minnesota Statutes 61A.092 and 62A.17 et
seq. and the federal Consolidated  Omnibus Budget  Reconciliation Act ("COBRA").
Accordingly,  within ten (10) days after the date of termination,  Executive and
Executive's  dependents who are eligible for such statutory  continuation rights
shall  complete  all forms and  papers  necessary  and  customary  to elect such
continuation  coverage.  The  Parties  expressly  agree  that the  extension  of
benefits  provided  for by this  Agreement  is not  intended to create a retiree
health plan covering any other employees.  In all other respects, the payment of
benefits, including the amounts and timing thereof, to Executive and Executive's
eligible dependents will be governed by the terms of applicable employee benefit
plans for which Executive and Executive's  dependents are eligible.  The Company
will answer any  reasonable  questions that Executive may have from time to time
and will offer him the same  assistance  given  other  participants  in employee
benefit plans so long as Executive is entitled to benefits as provided herein or
under the terms of those plans.

         Nothing in this Agreement,  including the Severance  Payments described
in this  Section  7,  shall in any way be  construed  to  extend  the  period of
Executive's employment with the Company.

         8.  Confidential  Information.  Except as  permitted or directed by the
Company's  Board of Directors,  during the term of this Agreement or at any time
thereafter Executive shall not divulge,  furnish or make accessible to anyone or
use  in  any  way  (other  than  in the of  the  business  of the  Company)  any
confidential  or secret  knowledge or information of the Company which Executive
has acquired or become acquainted with or will acquire or become acquainted with
prior  to  the  termination  of the  period  of his  employment  by the  Company
(including  employment by the Company or any affiliated  companies  prior to the
date of this agreement),  whether developed by himself or by others,  concerning

<PAGE>

any trade secrets,  confidential or secret designs, processes,  formulae, plans,
devices  or  material  (whether  or not  patented  or  patentable)  directly  or
indirectly useful in any aspect of the business of the Company,  any customer or
supplier  lists of the  Company,  any  confidential  or  secret  development  or
research work of the Company,  or any other  confidential  information or secret
aspects  of the  business  of  the  Company,  Executive  acknowledges  that  the
above-described knowledge or information constitutes a unique and valuable asset
of the Company and represents a substantial  investment.  of time and expense by
the Company and its  predecessors,  and that any disclosure or other use of such
knowledge or information other than for the sole benefit of the Company would be
wrongful and would cause irreparable harm to the Company.  Both during and after
the term of this  agreement,  Executive  will refrain from any acts or omissions
that would reduce the value of such knowledge or information to the Company. The
foregoing  obligations  of  confidentiality,  however,  shall  not  apply to any
knowledge or information  which is now published or which  subsequently  becomes
generally  publicly known in the form in which it was obtained from the Company,
other than as a direct or  indirect  result of the breach of this  agreement  by
Executive.  It is  hereby  acknowledged  that  it is not  the  intention  of the
forgoing  provisions to preclude the Executive from securing gainful  employment
with  subsequent  employers who are not  competitors of the Company or who would
otherwise have no reasonable  commercial use of the above described knowledge or
information,   but  only  to  protect  the  Company's   legitimate   proprietary
information or knowledge.

         9.  Ventures.  If,  during  the term of this  Agreement,  Executive  is
engaged in or  associated  with the  planning or  implementing  of any  project,
program or venture  involving  the Company  and a third  party or  parties,  all
rights in such project,  program or venture shall belong to the Company.  Except
as formally approved by the Company's Board of Directors, Executive shall not be
entitled  to  any  interest  in  such  project,  program  or  venture  or to any
commission,  finder's fee or other  compensation  in connection  therewith other
than the salary or other  compensation  to be paid to  Executive  as provided in
this Agreement.

     10. Noncompetition Covenant.

                  10.1 Agreement Not to Compete.  Executive agrees that,  during
         his Term of Employment with the Company and for a period of twelve (12)
         months  after  the  termination  of  such   employment   (whether  such
         termination  is with or without Cause,  or whether such  termination is
         occasioned  by Executive  or the  Company),  he shall not,  directly or
         indirectly,  engage in  competition  with the  Company in any manner or
         capacity  (e.g., as an advisor,  principal,  agent,  partner,  officer,
         director,  stockholder,  employee,  or  otherwise)  in any phase of the
         business  which  the  Company  is  conducting  during  the term of this
         Agreement.  In  addition,  during this same  twelve  (12) month  period
         following  Executive's Term of Employment,  Executive shall not solicit
         or otherwise encourage any third party or representative  thereof,  who
         was at the end of  Executive's  Term of  Employment,  a customer of the
         Company,  for the  purpose of causing  such  customer or  customers  to
         purchase,  lease or  otherwise  use any  product or service  offered by
         Executive or any organization  with which Executive is affiliated.  Nor
         during this same twelve (12) month  period shall  Executive  solicit or
         otherwise  encourage any employee of the Company to leave the employ of
         the Company for any reason.

          10.2 Geographic Extent of Covenant. The obligations of Executive under
     Section 10.1 shall apply to any geographic area in which the Company:

          (a) has engaged in business during the term of this agreement  through
     production, promotional, sales or marketing activity, or otherwise, or

          (b) has otherwise  established its goodwill,  business reputation,  or
     any customer or supplier relations.

          10.3  Limitation  on Covenant.  Ownership by  Executive,  as a passive
     investment,  of less than five  percent (5%) of the  outstanding  shares of

<PAGE>

     capital  stock of any  corporation  listed on an over-the-counter  market
     or publicly traded in a  national securities exchange shall not constitute
     a breach of this Section 10.

          10.4 Indirect  Competition.  Executive further agrees that, during his
     Term of Employment and within twelve (12) months  thereafter,  he will not,
     directly or  indirectly,  assist or encourage  any other person in carrying
     out,  directly or indirectly,  any activity that would be prohibited by the
     above  provisions  of this Section 10 if such  activity were carried out by
     Executive,  either  directly or  indirectly,  and in  particular  Executive
     agrees that he will not, directly or indirectly, induce any employee of the
     Company to carry out, directly or indirectly, any such activity.

         11.      Patent, Copyrights and Related Matters.

                  11.1  Disclosure  and  Assignment.   Executive  will  promptly
         disclose in writing to the Company complete information concerning each
         and every invention, discovery, improvement, device. design, apparatus,
         practice,  process, method or product, whether patentable or not, made,
         developed,  perfected,  devised, conceived or first reduced to practice
         by Executive, either solely or in collaboration with others, during the
         term of this agreement, or within six months thereafter, whether or not
         during regular working hours,  relating to any phase of the business of
         the  Company  conducted  at  such  time  (hereinafter  referred  to  as
         "Developments").  Executive,  to the extent that he has the legal right
         to do so, hereby acknowledges that any and all of said Developments are
         the property of the Company and hereby  assigns and agrees to assign to
         the Company and all of the Executive's right, title and interest in and
         to any and all of such Developments.

                  11.2 Future  Developments.  As to any future Developments made
         by  Executive  and which are first  conceived  or reduced  to  practice
         during  the  term of  Executive's  employment,  or  within  six  months
         thereafter, but which are claimed for any reason to belong to an entity
         or person other than the Company,  Executive will promptly disclose the
         same in  writing  to the  Company  and shall not  disclose  the same to
         others if the Company, within ninety (90) days thereafter,  shall claim
         ownership of such  Developments  under the terms of this agreement.  If
         the Company  makes such claim,  Executive  agrees that,  insofar as the
         rights  (if any) of  Executive  are  involved,  it will be  settled  by
         arbitration  in accordance  with the rules of the American  Arbitration
         Association.  The  locale  of the  arbitration  shall  be  Minneapolis,
         Minnesota  (or  other  locale  convenient  to the  Company's  principal
         executive  offices).  If the  Company  makes no such  claim,  Executive
         hereby acknowledges that the Company has made no promise to receive and
         hold in confidence any such information disclosed by Executive.

          11.3  Limitation on Sections 11.1 and 11.2. The provisions of sections
     11.1 and 11.2  shall not apply to any  Development  meeting  the  following
     conditions:

          (a) such  Development was developed  entirely on Executive's own time;
     and

          (b)  such  Development  was  made  without  the  use  of  any  Company
     equipment, supplies, facility or trade secret information; and

          (c) such  Development  does not relate (i) directly to the business of
     the Company,  or (ii) to the Company's  actual or demonstrably  anticipated
     research or development.

                  11.4 Executive Assistance.  Executive agrees to assist Company
         in obtaining patents or copyrights on any Developments  assigned to the
         Company that the Company,  in its sole  discretion,  seeks to patent or
         copyright.  Executive  also  agrees  to sign all  documents  and do all

<PAGE>

         things  deemed  necessary  by Company to obtain  and/or  maintain  such
         patents or copyrights,  to assign them to Company,  and to protect them
         against infringement. The obligations of this Section 11 are continuing
         and shall  survive  the  termination  of  Executive's  employment  with
         Company.

                  11.5 Appointment of Agent.  Executive irrevocably appoints the
         Chairman  of the Board of the Company to act as  Executive's  agent and
         attorney  in fact to  perform  all  acts  necessary  to  obtain  and/or
         maintain  patents  or  copyrights  to  any  Developments   assigned  by
         Executive to the Company under this Agreement if (i) Executive  refuses
         to perform those acts or (ii) is unavailable, within the meaning of the
         United States patent and copyright laws.  Executive  acknowledges  that
         the  grant  of the  foregoing  power of  attorney  is  coupled  with an
         interest and shall survive the death or disability of Executive and the
         termination of Executive's employment with the Company,

                  11.6 Notice and  Acknowledgment.  Executive  acknowledges that
         this  section of this  Agreement  does not apply to a  Development  for
         which there was no  equipment,  supplies,  facilities  or trade  secret
         information  of the Company  used and which was  developed  entirely on
         Executive's  own  time,  and  which  does not  relate  directly  to the
         business  of  the  Company  or the  Company's  actual  or  demonstrably
         anticipated research or development,  or which does not result from any
         work performed by Executive for the Company.

         12.      Termination.

          12.1 Grounds for Termination. This agreement shall be terminated under
     the following circumstances:

          (a) By mutual agreement of Executive and the Company;

          (b) Immediately upon the death of Executive;

          (c) Upon  delivery  by  Executive  of a notice of  termination  to the
     Company,  in which event this agreement shall be terminated sixty (60) days
     after receipt of such notice;

          (d) At  Executive's  option,  upon the occurrence of any of the events
     set forth in clauses (ii) through (v) of the first paragraph of Section 7;

          (e) Upon the occurrence of an event constituting "Cause" as defined in
     Section 1.3.

         Notwithstanding  any  termination  of  this  agreement,  Executive,  in
         consideration  of  his  employment   hereunder  to  the  date  of  such
         termination,  shall remain bound by the  provisions  of this  agreement
         which specifically relate to periods, activities or obligations upon or
         subsequent  to the  termination  of  Executive's  employment,  and  the
         Company  shall  remain  bound by the  provisions  of  Section 5 (to the
         extent  that  they  relate  to time  periods  prior to the date of such
         termination),  and  Section 7 except in the case of a  termination  for
         Cause  pursuant  to  Section12.1  (e)  or a  termination  by  Executive
         pursuant to Section 12.1(c).

                  12.2  Surrender of Records and Property.  Upon  termination of
         his employment with the Company,  Executive  shall deliver  promptly to
         the  Company all  records,  manuals,  books,  blank  forms,  documents,
         letters,   memoranda,   notes,   notebooks,   reports,   data,  tables,
         calculations or copies  thereof,  which are the property of the Company
         or which  relate in any way to the  business,  products,  practices  or
         techniques of the Company,  and all other  property,  trade secrets and
         confidential information of the Company, including, but not limited to,
         all  documents  which in whole or in part contain any trade  secrets or
         confidential  information  of the Company;  which in any of these cases
         are in his  possession or under his control.  Provided,  however,  that

<PAGE>

         Executive  shall be  entitled  to retain  items of  sentimental  value,
         copies of which  shall be provided to the Company at the request of the
         Company and at the Company's expense.

         13.      Miscellaneous.

          13.1 Governing Law. This Agreement is made under and shall be governed
     by and construed in accordance with the laws of the State of Minnesota.

          13.2 Prior Agreements. This Agreement contains the entire agreement of
     the parties  relating to the subject matter hereof and supersedes all prior
     agreements and understandings  with respect to such subject matter, and the
     parties  hereto  have made no  agreements,  representations  or  warranties
     relating to the subject  matter of this  agreement  which are not set forth
     herein.

          13.3  Withholding  Taxes.  The Company may  withhold  from all salary,
     bonus,  severance pay or other  benefits  payable under this  agreement all
     federal,  state,  city or other taxes as shall be required  pursuant to any
     law or governmental regulation or ruling.

          13.4 Amendments.  No amendment or modification of this agreement shall
     be deemed  effective  unless  made in  writing  and  signed by the  parties
     hereto.

          13.5 No Waiver. No term or condition of this agreement shall be deemed
     to have been  waived,  nor  shall  there be any  estoppel  to  enforce  any
     provisions of this  agreement,  except by a statement in writing  signed by
     the party whom enforcement of the waiver or estoppel is sought. Any written
     waiver shall not be deemed a continuing waiver unless specifically  stated,
     shall  operate only as to the specific  term or condition  waived and shall
     not  constitute a waiver of such term or condition  for the future or as to
     any act other than specifically waived.

          13.6 Severability. To the extent any provision of this agreement shall
     be invalid or unenforceable,  it shall be considered  deleted here from and
     the remainder of such provision and of this  agreement  shall be unaffected
     and shall  continue in full force and  effect.  In  furtherance  and not in
     limitation of the foregoing, should the duration or geographical extent of,
     or business  activities  covered by, any provision of this  agreement be in
     excess of that which is valid and  enforceable  under  applicable law, then
     such provision  shall be construed to cover only that  duration,  extent or
     activities  which  may  validly  and  enforceably  be  covered.   Executive
     acknowledges  the  uncertainty  of the law in this  respect  and  expressly
     stipulates that this agreement be given the construction  which renders its
     provisions  valid and  enforceable to the maximum extent (not exceeding its
     express terms) possible under applicable law.

          13.7 Assignment.  This agreement shall not be assignable,  in whole or
     in part, by either party without the written consent of the other party.

          13.8 Injunctive Relief. Executive agrees that it would be difficult to
     compensate  the  Company  fully  for  damages  for  any  violation  of  the
     provisions of this agreement,  including without  limitation the provisions
     of Sections 9, 10, 11 and 12.2. Accordingly,  Executive specifically agrees
     that the Company shall be entitled to temporary  and  permanent  injunctive
     relief to enforce the provisions of this agreement and that such relief may
     be granted without the necessity of proving actual damages.  This provision
     with respect to injunctive relief shall not, however, diminish the right of
     the Company to claim and recover damages in addition to injunctive relief.
<PAGE>

MEDTOX SCIENTIFIC, INC.

By______________________                             ___________________________
     Its ___________________                                  Richard J. Braun

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