Document:

UNCONDITIONAL GUARANTY AGREEMENT

          THIS UNCONDITIONAL  GUARANTY AGREEMENT (this "Guaranty") is made as of
     July 26, 1996 and  effective as of July 31, 1996, by Andrew C. Gillette and
     Deborah B. Gillette,  South Carolina  residents and husband and wife,  (the
     "Guarantors"), in favor of ENVIROMETRICS, 1NC., a Delaware corporation (the
     "Creditor").

                                   RECITALS:

          A.  Trico  Envirometrics,  Inc.  a  South  Carolina  corporation  (the
     "Debtor") is currently indebted to the Creditor in an approximate aggregate
     amount  of  Six  Hundred,   Thousand   Dollars   ($600,000.00   US),  which
     indebtedness  is subject to increase (as such may change from time to time,
     the  "Indebtedness"),  and is now evidenced by a certain Promissory Note of
     even date herewith in favor of the Creditor (the "Note").

          B.  Concurrent  herewith,  Andrew C. Gillette is  purchasing  from the
     Creditor pursuant to a certain Stock Purchase Agreement,  of even date, all
     of the  outstanding  shares of common  stock of the  Debtor  for a purchase
     price of 45,000 shares of  Envirometrics,  Inc. common stock.  The Creditor
     has agreed to sell such stock for such price to Andrew C. Gillette  subject
     to, among other  conditions,  the Guarantors  executing and delivering this
     Guaranty to the Creditor.

          C. To induce the  Creditor  to sell to Andrew C.  Gillette  all of the
     outstanding  shares of common stock of the Debtor for such purchase  price,
     the Guarantors wish to guarantee, jointly and severally, (i) payment of all
     the indebtedness,  and (ii) performance of all of the respective covenants,
     obligations and agreements of each of the Debtor and Andrew C. Gillette, as
     set forth in the documents evidencing,  securing the repayment of, executed
     in connection with, or otherwise related to the Indebtedness or the sate of
     stock to  Andrew  C.  Gillette,  including  without  limitation,  the Stock
     Purchase Agreement, the Note, the Pledge Agreement, the Security Agreement,
     this  Agreement and the  Accounting  Services  Agreement,  all of even date
     (collectively,  as hereafter  amended,  modified,  extended or renewed from
     time to time, the "Transaction Documents"),  all according to the terms and
     conditions hereinafter set forth.

                                   AGREEMENT:

          NOW, THEREFORE,  in consideration of the  representations,  warranties
     and covenants herein set forth, and other good and valuable  consideration,
     the receipt and  sufficiency  of which are hereby  acknowledged,  and as an
     inducement to the Creditor to sell all of the issued and outstanding common
     stock of the Debtor to Andrew C. Gillette,  each of the  Guarantors  hereby
     covenants and agrees as follows:

          1. Guaranty of Obligations.  Each of the Guarantors  hereby guarantee,
     absolutely  and  unconditionally,  to the  Creditor  (i) payment of all the
     indebtedness  and  (ii)  performance  of all of the  respective  covenants,
     obligations and agreements of each of the Debtor and Andrew C. Gillette, as
     set forth in the Transaction Documents,  or any of them (collectively,  the
     "Obligations").  The term "Obligations"  shall include all of the foregoing
     matters,  whether  matured or  un-matured, or absolute or  contingent,  and
     whether  they are  from  time to time  reduced,  thereafter  increased,  or
     entirely  extinguished and thereafter  reincurred.  The term  "Obligations"
     shall further include,  without limitation,  all liability of the Debtor to
     the Creditor,  whether now or hereafter incurred;  whether direct, indirect
     or contingent;  whether incurred as primary debtor,  co-maker or guarantor;
     whether  otherwise  guaranteed  or secured;  and  whether on open  account,
     evidenced by an instrument or otherwise.

          2.  Continuing  Obligations.  This Guaranty is a continuing  guaranty,
     shall remain in full force and effect  irrespective of any interruptions in
     the  business  relations  of the  Debtor  with the  Creditor  or any of the
     Guarantors,   and  shall  apply  to  and  guarantee  any  and  all  of  the
     Obligations.

          3.  Application of Sums Received.  All assets and monies  available to
     the Creditor for application in payment or reduction of the Obligations may
     be applied by the Creditor in such manner in such amounts, and at such time
     or times as it may see fit,  to the  payment  or  reduction  of such of the
     Obligations as the Creditor may elect.

          4. Renewal or Extension. The Guarantors hereby agree that the Creditor
     may, from time to time and for any period or periods of time, either before
     or after any default by the Debtor,  with or without  further notice to the
     Guarantors,  renew or extend the time for payment or  performance of any of
     the  Obligations  and grant and allow such  indulgences  or  compromises in
     connection  therewith as the Creditor may deem advisable or expedient,  may
     change, renew, extend, surrender,  release, substitute and compromise, deal
     with and refuse to accept,  in whole or in part,  any  security at any time
     held by or available  or offered to the  Creditor for any  Liability or for
     any obligation of any other person,  partnership or corporation secondarily
     or otherwise liable for any of the Obligations, and may abstain from taking
     advantage  of and  from  realizing  upon  any  security  interest  or other
     guaranty  securing or otherwise  related to all or any of the  Obligations.
     The  Creditor may set off or release,  in whole or in part,  any balance of
     any account or credit on its books in favor of the  Debtor,  or of any such
     other  person,  partnership  or  corporation,  and may extend credit in any
     manner whatsoever to the Debtor,  and generally deal with the Debtor or any
     such security or other person,  partnership  or corporation as the Creditor
     may see  fit.  The  Creditor  may  release  any  Guarantor  from any or all
     obligations hereunder without affecting,  in any manner, the obligations of
     the other Guarantor hereunder.

          5. Waiver. The Guarantors hereby waive the following:

          (a)  Notice  of  acceptance  of  this  Guaranty,  of any  renewals  or
     extensions of time for payment or performance of any of the Obligations, of
     any changes in the terms of the Obligations, including, without limitation,
     any  increase or  decrease in  installment  payments or any  interest  rate
     adjustment,  of any extensions of credit by the Creditor to the Debtor, and
     of any other change in the Obligations,  including, without limitation, any
     change in the business structure of the Debtor;

          (b) Presentment and demand for payment of any of the Obligations;

          (c) Protest and notice of dishonor or default to the  Guarantors or to
     any other party with respect to any of the Obligations;

          (d) Notice of the  financial  condition  or other status of the Debtor
     and of any other party obligated for all or any part of the Obligations;

          (e)  Any  impairment  of  collateral  for  any  of  the   Obligations,
     including,  without limitation,  any failure to perfect a security interest
     in such collateral; and

          (f) Any  demand  (except  expressly  specified  herein)  of  proof  of
     nonpayment of the  principal of or interest on the Note, or other  payments
     of money required by the Transaction  Documents or the Debtor's  Agreements
     or of any  default  by the  Debtor  in  performing  and  keeping  any other
     covenant, condition or agreement under the Transaction Documents.

          6. No Limitation.  This Guaranty is an unconditional guaranty, and the
     liability of each of the Guarantors to the Creditor shall not be terminated
     or in any way limited by reason of or as a result of anything  set forth or
     contained in any writing  evidencing all or any part of the Obligations nor
     shall it be  further  limited to a  proportionate  part of the total of the
     Obligations.

          7. Guaranty of Payment. This Guaranty is a guaranty of payment and not
     of collection,  and the Guarantors  further waive any right to require that
     any action be brought  against the Debtor or any other person,  partnership
     or  corporation  or to require that resort be had to any security or to any
     balance of any  account or credit on the books of the  Creditor in favor of
     the Debtor or any other person, partnership or corporation,  and agree that
     the Creditor assumes no  responsibility  for the validity or enforceability
     of any security for the Obligations.

          8. No Discharge or Impairment.  This Guaranty,  and the obligations of
     the Guarantors hereunder, shall not be discharged,  impaired or affected in
     any manner as a result of (a) any right of setoff,  counterclaim or defense
     of the Debtor  with  respect to the  payment or  performance  of any of the
     Obligations,  including,  without  limitation,  failure  of  consideration,
     breach of warranty,  payment,  statute of frauds,  statute of  limitations,
     accord and  satisfaction and usury, (b) the termination of the right of the
     Debtor to continue to exist as a legal entity,  or (c) any lack of power or
     authority  of the  Debtor to  execute  or  deliver  any of the  Transaction
     Documents.

          9. No Subrogation  Setoff.  Notwithstanding  anything to the contrary
     contained herein,  each Guarantor hereby irrevocably waives all rights that
     he or she may have at law or in equity (including,  without limitation, any
     law  surrogating  a  Guarantor  to the  rights  of the  Creditor)  to  seek
     contributions, indemnification, or any other form of reimbursement from the
     Debtor, any other Guarantor, or any other person now or hereafter primarily
     or  secondarily  liable for any  obligations of the Debtor to the Creditor,
     for any  disbursement  made by a Guarantor  under or in connection with the
     guaranty  or  otherwise,  which  waiver  shall be  effective  until (a) all
     Obligations have been paid in full, (b) 370 days have lapsed since the date
     that all Obligations have been paid in full, and (e) no petition for relief
     under  Title 11 of the United  States Code has been filed by or against the
     Debtor or any Guarantor  within the 370 days  following the payment in full
     of all such obligations. The Creditor shall have the right, immediately and
     without  further  action by it, to set off  against any  obligation  of the
     Guarantors to the Creditor  hereunder all money owed by the Creditor in any
     capacity to the Debtor or to any of the Guarantors, whether or not due; and
     the Creditor  shall be deemed to have exercised such right of setoff and to
     have made a charge against any such sums immediately upon the occurrence of
     any default in the payment or performance of the  Obligations,  even though
     such  charges are made or entered on the books of the  Creditor  subsequent
     thereto. Any funds or other property at any time received by the Guarantors
     from  the  Debtor  shall  be  held  in  trust  for,  and  shall  be paid or
     transferred to, the Creditor.

          10.  Subsequent   Guaranty.  A  subsequent  guaranty  by  any  of  the
     Guarantors  of the  Obligations  shall not be deemed to be in lieu of or to
     supersede  or  terminate  this  Guaranty,  but  shall  be  construed  as an
     additional or supplemental  guaranty unless  otherwise  expressly  provided
     therein.

          11. Reimbursement Revocation.  The Guarantors agree, upon demand, to
     reimburse the Creditor,  to the extent that such  reimbursement is not made
     by the Debtor, for all expenses (including, without limitation,  attorneys'
     fees) incurred by the Creditor in connection with any of the Obligations or
     the obligations of the Guarantors  hereunder or the collection thereof. The
     guaranties contained herein shall remain in full force and effect until all
     of the Obligations  shall have been paid or performed in full, and a period
     of ninety-five (95) days,  beginning with the date oft he last payment made
     in  satisfaction  of the  Obligations,  shall have elapsed  during which no
     petition  in  bankruptcy  shall be filed by or against the Debtor or any of
     the  Guarantors,  Revocation of this Guaranty shall be effective only as to
     that portion of the Obligation  incurred after written notice of revocation
     has  been  received  by  the  Creditor  at its  address  set  forth  in the
     Transaction  Documents,  and this  Guaranty  shall remain in full force and
     effect as to all Obligations incurred before or at that time. Regardless of
     when a renewal or extension of pre-revocation  Obligations  occurs (with or
     without  adjustment  of interest  rate or other  terms),  for all  purposes
     hereunder such  Obligations  shall be deemed to have been incurred prior to
     revocation  to the  extent  of the  renewal  or  extension  and to be fully
     covered by this Guaranty.

          12. Successors and Assigns.  Each reference herein to the Debtor shall
     be deemed to include  its  successors  and  assigns,  unless  the  Creditor
     specifically  waives in writing  the  benefits  of this  guaranty as to the
     specific  obligation or agreement  assigned by the Debtor,  Each  reference
     herein to the  Creditor  shall be  deemed to  include  its  successors  and
     assigns,  in whose favor the  provisions of this Guaranty also shall inure,
     Each  reference  herein to the  Guarantors  shall be deemed to include  the
     respective  successors,  assigns,  heirs,  administrators,  executors,  and
     personal  representatives  of each of the Guarantors,  all of whom shall be
     bound by the provisions of this Guaranty.

          13. Joint and Several  Obligations.  Each  undertaking  and obligation
     herein contained shall be the joint and several undertaking and obligations
     of each of the Guarantors.

          14. No Waiver.  No delay on the part of the Creditor in exercising any
     rights  hereunder or failure to exercise the same shall operate as a waiver
     of such  rights,  and no notice to or  demand  on the  Guarantors  shall be
     deemed to be a waiver of the  obligation of the  Guarantors or of the right
     of the Creditor to take further action without notice or demand as provided
     herein.

          15. Representations and Warranties.  Each of the guarantors represents
     and warrants that:

          (a) There has been no material  adverse change in his general affairs,
     financial  condition  or assets  subsequent  to the  effective  date of all
     financial and other information furnished to the Creditor.

          (b)  Each is  fully  capable  and  empowered  (being  under  no  legal
     restriction,  limitation or disability) to enter into,  execute and deliver
     this Guaranty and to perform his obligations hereunder.

          (c)  Each has duly  executed  and  delivered  the  Guaranty,  and this
     Guaranty  constitutes  a  valid  and  binding  obligation,  enforceable  in
     accordance with its terms, except as such enforceability may be affected by
     bankruptcy and other insolvency laws and general principles of equity.

          (d) Except as previously  disclosed to the Creditor in writing,  there
     are no pending or, to the best of his knowledge, threatened actions, suits,
     proceedings   or   investigations   of  a  legal,   equitable,   regulator,
     administrative or legislative nature that, if adversely  determined,  would
     or might  materially  adversely  affect  his  business,  assets,  condition
     (financial  or  otherwise)  or  prospects  or his  ability to  perform  his
     obligations under this Guaranty.

          (e) To the best of his  knowledge,  after due  inquiry,  no event that
     would constitute an "Event of Default" (as hereinafter  defined),  or that,
     with notice or lapse of time or both, would become an Event of Default, has
     occurred and is continuing.

          16. Events of Default.  Each of the Following  events shall constitute
     an (Event of Default"  hereunder:

          (a)  Failure  of  any  Guarantor  to pay or  perform  the  Obligations
     immediately upon demand by the Creditor;

          (b)  Failure  of  any  Guarantor  to  observe  or  perform  any of the
     covenants,  conditions or agreements  hereunder  (other than the payment of
     money) for a period of thirty  (30) days after  notice  from the  Creditor,
     specifying such failure and requesting that it be remedied; and

          (c)  Occurrence of an event of Default"  under any of the  Transaction
     Documents that is not remedied within the time permitted.

          Whenever  an Event of Default  hereunder  shall have  occurred  and is
     continuing,  the  Creditor may declare the entire  unpaid  principal of and
     interest on the Note and the other  Obligations to be  immediately  due and
     payable  and may take  whatever  action at law or in  equity as may  appear
     necessary or desirable to collect payments when due or thereafter to become
     due  hereunder or to enforce  observance  or  performance  of any covenant,
     condition or agreement of the Guarantors under this Guaranty.

          17. Rules of Construction.

          (a) Singular  words shall  connote the plural as well as the singular,
     and vice versa, and the masculine  general shall connote the neuter and the
     feminine genders, and vice versa, as the context may require.

          (b) The paragraph headings set forth herein are solely for convenience
     of reference and shall not constitute a part of the Guaranty nor shall they
     affect its meaning, construction or effect.

          18. Written Modification.  No modification or waiver of the provisions
     of this guaranty shall be effective  unless in writing,  nor shall any such
     waiver be applicable except in the specific instance for which it is given.

          19.  Governing  Law.  This  guaranty,  and the  respective  rights and
     obligations  of  the  Creditor  and  the  guarantors  hereunder,  shall  be
     interpreted,  governed,  and  enforced  according  to  the  laws  of  South
     Carolina, without regard to the choice of taw principles of it or any other
     jurisdiction.

          20.  Venue and In Personam  Jurisdiction  Any cause of action  arising
     from  the  terms of this  Agreement  shall  be  brought  only in a state or
     federal court in the City of Charleston, South Carolina, which shall be the
     exclusive and sole venue for the  adjudication  of any disputes  hereunder.
     The  Guarantors  consent to  exercise  by the  aforementioned  courts of in
     personam jurisdiction over each of them with respect to any cause of action
     brought pursuant to this Agreement.

          21.  Severability.  Should any one or more of the  terms,  provisions,
     convenants  or  conditions  of the  Guaranty  be held to be void,  invalid,
     illegal or un-enforceable in any respect,  the same shall, at the option of
     the Creditor,  not affect any other term, provision,  covenant or condition
     of this  guaranty,  but the  remainder  hereof shall be effective as though
     such term,  provisions,  covenant  or  condition  had never been  contained
     herein.

          22.  Merger.  This Guaranty  constitutes  the final  expression of the
     guaranty  agreement between the Creditor and the Guarantors with respect to
     the  guaranty  effected  hereunder,  and  is  the  complete  and  exclusive
     statement of the terms and conditions of such guaranty agreement. No course
     of dealing,  course of performance or trade usage, and no parol evidence of
     any nature,  shall be used to  supplement  or modify any of the  provisions
     hereof,  and  there are no  conditions  to the full  effectiveness  of this
     Guaranty.

          WITNESS the following signatures as of the date first above written

 Andrew C. Gillette
 Deborah B. Gillette

STATE OF SOUTH CAROLINA
CITY/COUNTY OF CHARLESTON

          The  foregoing  instrument  was  acknowledged  before  me this 1999 by
     Andrew C. Gillette.

          My commission expires:

Notary Public

          STATE OF SOUTH  CAROLINA ) ) to-wit:  CITY/COUNTY  OF CHARLESTON ) The
     foregoing instrument was acknowledged before me this 10th day of Jan. 19977
     by Deborah B. Gillette.

              My commission expires:

                                                 Notary Public

SCHEDULE 1

Collateral Locations.

1.
2.
3.
4.SECURITY AGREEMENT

     THIS SECURITY  AGREEMENT (the  "Agreement") is made as of July 26, 1996 and
effective  as of July 31,  1996,  between  TRICO  ENVIROMETRICS,  INC.,  a South
Carolina  corporation  (the  "Debtor'),  and  ENVIROMETRICS,   INC,  a  Delaware
corporation (the "Secured Party").

     A. The Debtor is currently  indebted to the Secured Party in an approximate
aggregate  amount  of  Six  Hundred  Thousand  Dollars  ($600,000.00US),   which
indebtedness is, subject to increase (as such may change from time to time), the
amount transaction documents,  and is now evidenced by a certain Promissory Note
of even date, herewith in favor of the Secured Party (the "Note").

     B. Concurrent herewith,  Andrew C. Gillette ("Gillette") is purchasing from
the Secured Party pursuant to a certain Stock Purchase Agreement,  of even date,
all of the outstanding shares of common stock of the Debtor for a purchase price
of 45,000 shares of  Envirometrics,  Inc.  common  stock.  The Secured Party has
agreed to sell such stock for such price to  Gillette  subject  to,  among other
conditions,  the Debtor  executing and delivering  this Agreement to the Secured
Party.

     C. To induce the Secured  Party to sell to Gillette all of the  outstanding
shares of common stock of the Debtor for such purchase price,  the Debtor wishes
to grant to the Secured Party a security  interest in  substantially  all of the
assets of the Debtor to secure (i) payment of all of the Indebtedness,  and (ii)
performance of all of the respective  covenants,  obligations  and agreements of
each of the  Debtor  and  Gillette,  as set forth in the  documents  evidencing,
securing the repayment of, executed in connection with, or otherwise  related to
the Indebtedness or sale of stock to Gillette,  including,  without  limitation,
the Stock Purchase  Agreement,  the Note, the Pledge Agreement,  this Agreement,
the Unconditional Guaranty Agreement and the Accounting Services Agreement,  all
of even date (collectively,  as hereafter amended, modified, extended or renewed
from time to time, the "Transaction Documents"),  all according to the terms and
conditions hereinafter set forth,

     D. The purpose of this security agreement is to secure all amounts due from
debtor to secure the promissory  note which  represents all such sums being owed
to creditor.

                                   AGREEMENT:

     NOW,  THEREFORE,  in consideration of the  representations,  warranties and
covenants  herein set  forth,  and other good and  valuable  consideration,  the
receipt and sufficiency of which are hereby  acknowledged,  and as an inducement
to the Secured Party to sell all of the issued and  outstanding  common stock of
the Debtor to Gillette, the parties hereby covenant and agree as follows:

     1. Grant of  Security  Interest.  The Debtor  hereby  grants to the Secured
Party, to secure (i) payment of all the Indebtedness and (ii) performance of the
respective  covenants,  obligations  and  agreements  of each of the  Debtor and
Gillette,  as  set  forth  in  the  Transaction   Documents,   or  any  of  them
(collectively, the "Obligations"), a security interest in the property described
in Section 2 of this Agreement (the "Collateral").

     2.  Collateral.  The  collateral  subject to this  Agreement  is all of the
Debtor's  inventory,  chattel paper,  accounts,  accounts  receivable,  contract
fights,  equipment and general intangibles and all other assets, whether real or
personal,  and the proceeds  thereof,  (all such terms as defined in the Uniform
Commercial Code of South Carolina).

     3. Obligations  Secured The security interests herein granted are to secure
the  Obligations,  ratably and without  priority of one over  another.  The term
"Obligations" shall include all Obligations,  whether matured or un-matured,  or
absolute  or  contingent,  and  whether  they  are  from  time to time  reduced,
thereafter increased,  or entirely extinguished and thereafter  reincurred.  The
term "Obligations" shall further include, with limitation,  all liability of the
Debtor  to the  Secured  Party  (specifically  the  mortgage  repayment  and the
interest in the lease in, the Faber Place  facility),  whether now or  hereafter
incurred; whether direct, indirect, or contingent;  whether otherwise guaranteed
or  secured;  and  whether  on  open  account,  evidenced  by an  instrument  or
otherwise.

     4. Subordination of Security Interest.  The Secured Party agrees that, upon
written  request of the Debtor,  it will  subordinate  by  agreement  reasonably
satisfactory  to its counsel the lien of the security  interest  granted by this
Agreement to the lien of a security interest in all or part of the Collateral in
favor of a bank  providing an operating line of credit to Debtor in an aggregate
amount not to exceed Three  Hundred  Fifty  Thousand  Dollars  ($350,000.00  US)
without the written  permission  of the Note  holder,  which is also the Secured
Party.  Such  subordination  shall in no way affect the priority of the security
interest granted  hereunder as to any other security  interest in the collateral
granted by the Debtor to the bank or any other  person or  entity.  The  Secured
Party's  reasonable  out-of-pocket  expenses  incurred in  connection  with such
subordination shall be paid by Debtor from the proceeds of the line of credit.

     5. Covenants.

     5.1.  Use of  Collateral.  The  Debtor  warrants  and  covenants  that  the
Collateral will be used exclusively for business purposes.

     5.2.  Debtor's  Name.  The Debtor  warrants that the only name by which the
Debtor is known or does  business  is shown in the  caption  hereof.  The Debtor
shall  notify the  Secured  Party  immediately  upon any change in the  Debtor's
natural, corporate or other name.

     5.3. Care of Collateral. The Debtor warrants and covenants that it will (a)
maintain the collateral at the locations set forth on Schedule 1 attached hereto
and in good and salable condition, repair or replace it, if necessary, deal with
the  Collateral  in all such ways as are  considered  good practice by owners of
like  property,  and allow the Secured  Party to inspect the  Collateral  at any
reasonable  time;  (b) pay when due all taxes and  assessments  now or hereafter
imposed upon the  Collateral,  (c) cause the  Collateral  to be insured  against
casualties in reasonable  amounts;  and (d) take all necessary steps to preserve
the  liability  of  account  debtors,  obligors,  and  secondary  parties  whose
obligations are part of the Collateral.

     5.4 Release of  Collateral.  The Secured  Party  warrants and  covenants to
execute promptly such Termination Statements,  and to take such other actions at
Debtor's  expenses  are  reasonably  requested by the Debtor to  facilitate  the
release of the Collateral upon the full and complete  payment and performance of
all of the Obligations.

     5.5 Financial  Information The Debtor agrees to provide quarterly financial
statements  to the  Secured  Party  within 30 days of the  quarter  close and to
provide annual  financial  statements to the Secured Party within 60 days of the
fiscal year end. In addition,  the Debtor must provide annual audited  financial
statements  prepared in accordance with generally accepted accounted  principles
if the  Secured  Party  does not waive such  requirement,  but in any event must
engage a  Certified  Public  Accountant  to perform,  at a minimum,  agreed upon
procedures  to selected  accounts of the Debtor, including  billed and unbilled
trade receivables,  service revenues, and debt as of the fiscal year end. Debtor
agrees to pay all such fees  related  to the  auditing  or  accounting  services
described above.

     5.6 Miscellaneous Covenants.

     a. The Debtor agrees to pay all fees for the filing of statement(s)  and to
take such other actions as might be necessary for the  perfection,  continuation
and/or  termination  of the  security  interests  hereby  granted to the Secured
Party,  including  the execution  and filing of UCC  financing  statements,  and
renewals thereof.

     b. The parties  hereto agree that this  Agreement  shall be  construed  and
enforced in accordance with the laws of the State of South Carolina. In case any
one or more of the  provisions  contained in this  Agreement  should be invalid,
illegal  or   un-enforceable   in  any  respect,   the  validity,  legality  and
enforceability of the remaining  provisions  contained herein shall in no way be
affected or impaired thereby.

     6.  Rights of the  Secured  Party.  Subject  to the  fights  of prior  lien
holders,  the Secured Party may upon default under this  Agreement or any of the
Obligations:  (i)  require  the  Debtor to give  possession  or  control  of the
Collateral  to the Secured  Parties:  (ii) take control of proceeds and use cash
proceeds to reduce any part of the Note;  ('iii) take any action required of the
Debtor or  otherwise  necessary  to obtain,  preserve,  and enforce the security
interest  granted  herein,  and maintain and  preserve the  Collateral,  without
notice to the  Debtor,  and add costs of the same to the Note,  but the  Secured
Party is under no duty to take such action; (iv) take control of funds generated
by the  Collateral and to use the same to reduce any part of the Note; (v) waive
any of its rights hereunder  without such waiver  prohibiting the later exercise
of the same or similar rights;  (vi) revoke any permission or waiver  previously
granted to the Debtor; and (vii) proceed to enforce any other rights against the
Collateral  which may be available  pursuant to this Agreement,  the Transaction
Documents, and applicable law,

     7. Default.

     7.1 Events of Default.  Any of the  following  shall be an Event of Default
under this  Agreement:  (i) failure of the Debtor to pay the Note in  accordance
with its  terms,  or the  occurrence  of any other  default  under the Note,  or
failure  of the  Debtor  to  perform  any act or duty  required  of it under the
Transaction  Documents;  (ii) material falsity of any warranty or representation
in this Agreement when made; (iii) substantial loss, theft,  destruction,  sale,
reduction in value,  damage to, or change in the  Collateral;  and (iv) levy on,
seizure, or attachment of the Collateral.

     7.2.  Occurrence of Event of Default.  When an Event of Default occurs, all
of the Note shall  become  immediately  due and payable at the  Secured  Party's
option  without  notice to the  Debtor,  and the  Secured  Party may  proceed to
enforce  payment of the same and  exercise any and all of the fights or remedies
available  to a  Secured  Party  under  the  Uniform  Commercial  Code of  South
Carolina, as well as any other rights or remedies available to the secured party
under law or transaction documents..  When the Debtor is in default, the Debtor,
upon demand by the Secured  Party,  shall  assemble the  Collateral  and make it
available to the Secured Party at a place reasonable convenient to both parties.
If the Secured Party disposed of the Collateral  following default, the proceeds
of such disposition  available to satisfy the  indebtedness  shall be applied to
the Note in such manner as the Secured Party in its sole discretion  deems best.
The Debtor is entitled to any surplus.

     7.3. Application of Proceeds.  If the Secured Party sells the collateral or
any part  thereof,  the  proceeds  shall be applied by the Secured  Party in the
following order:

     (a) First to the  payment of the  reasonable  costs and  expenses  of care,
safekeeping,  collection  and sale incurred by the Creditor,  including  without
limitation,  reasonable  attorneys'  fees  and all  other  reasonable  expenses,
liabilities and costs incurred by the Creditor in connection therewith;

     (b) Next to the  payment  of all  amounts  then owing and  unpaid,  whether
principal,  interest or otherwise, pursuant to the obligations, in such order as
the Creditor may elect; and

     (c) Finally to the payment to the Debtor or as required by  applicable  law
of any surplus then remaining from such proceeds.

     8.  Miscellaneous.  The rights and  privileges  of the Secured  Party shall
inure  to its  successors  and  assigns.  All  representations,  warranties  and
agreements  of the  Debtor  shall  bind the  Debtor's  successors  and  assigns.
Definitions in the Uniform  Commercial Code of South Carolina apply to words and
phrases in this agreement,  If Code Definitions conflict,  Title 8.9 definitions
apply. The debtor waives presentment,  demand, notice or dishonor,  protest, and
extension of time without notice as to any  instruments and chattel paper in the
Collateral.  Notice to the  Debtor's  address at 1085  Stonehenge,  Hanahan,  SC
29406,  or to the  Debtor's  most recent  change of address on file with Secured
Party,  at least ten (10) days prior to the  related  action (or, if the Uniform
Commercial Code of South Carolina specifies a longer period,  such longer period
prior to the related action), shall be deemed reasonable.  Photographic or other
reproduction of this Agreement, or any financing statements signed by the Debtor
is sufficient as a financing statement.

     IN WITNESS WHEREOF, the parties have executed this Agreement as of the date
and year first above written.

TRICO ENVIROMETRICS
By:
Andrew C. Gillette, Vice President

ENVIROMETRICS, INC.
By:
Richard D. Bennett
President and CEO
By:
Elsie L, Rose, CPA Treasurer

List of Schedules:

Schedule 1 - Collateral Locations

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