OFFICE LEASE
                                    between
                                LPC OF S.C., INC
                   (a Subsidiary of The Liberty Corporation)
                                    LANDLORD
                                      and
                           Trico Envirometrics, Inc.
                                     TENANT
                             4055 Faber Place Drive
                        The Executive Park at Faber Place
                         No. Charleston, South Carolina



                                      Date:

                                  OFFICE LEASE

     LEASE made this/ day of January,  1996, by and between LPC of S. C., Inc. ,
a  corporation  organized  and  existing  under  the laws of the  State of South
Carolina  (hereinafter  called  "Landlord"),   and  Trico  Envirometrics.   Inc.
(hereinafter called "Tenant").

                                   WITNESSETH:

     1. Demised Premises.  Landlord.  for the term and subject to the provisions
and conditions hereof,  leases to Tenant, and Tenant rents from Landlord,  Suite
201 (inclusive of Suite 210) the space (hereinafter  referred to as the "Demised
Premises" and more particularly  delineated on the floor plans annexed hereto as
Exhibit "A"),  consisting of  approximately  9,094 square feet of rentable space
(which includes the area outlined in Exhibit "A" Tenant's proportionate share of
common areas) on the second floor of the commercial  office building  located at
4055 Faber Place  Drive in  Executive  Park at Faber Place in North  Charleston.
South  Carolina.   The  office   building  and  adjacent  land   (consisting  of
approximately  4.5 acres) on which it is situated is referred to  hereinafter as
the  Building.  Landlord and Tenant agree that the Total  Rentable  Space in the
Building is 54.270 rentable square feet.

     2. Term.

     A. Duration.  This Lease shall become fully  effective and rent shall begin
to accrue on  February  1, 1996,  (the  "Rent  Commencement  Date") and  further
outlined on Exhibit "B" attached  hereto and made a part hereof.  The Lease Term
shall commence on the Rent  Commencement  date, except that the Lease Term shall
commence on the first day (the "Term  Commencement  Date") of the first calendar
month  following the rent  commencement  Date if the Rent  Commencement  Date is
'other than the first day of a calendar month. The Lease Term shall continue for
a period of Three (3)  years  unless  extended  or sooner  terminated  as herein
provided.  The Lease Term shall  expire at  midnight of the last day of the last
month of the Lease Term. If Landlord has not delivered possession of the Demised
Premises to Tenant by said Rent  Commencement  Date, the Rent  Commencement Date
and Term  Commencement  Date  shall  be the date  such  possession  is  actually
delivered.  Provided.  however. that if possession has not been delivered by the
thirtieth  day after the Rent  Commencement  Date  specified  above,  Tenant may
cancel this lease at any time before possession is actually delivered. by giving
Landlord written notice thereof

     B. Memorandum.  'When the date of commencement of the term of this Lease is
established,  Landlord  shall  prepare  and  deliver to Tenant and Tenant  shall
promptly execute and acknowledge a memorandum in form substantially as set forth
in hereto,  containing the  information set forth in said Exhibit.  which.  when
executed. shall be incorporated herein by reference.

     3. Minimum Rent.


     A. Minimum Rent shall accrue  during the term at the annual rate  specified
in Exhibit "B" hereto.

     Such  Minimum  Rent  shall  be  payable  in  advance.   in  equal   monthly
installments of one twelfth  (1/12th) of the annual amount,  the installment for
the  first  full  calendar  to be  payable  upon  execution  of this  Lease  and
subsequent  installments to be payable on the first day of each successive month
of term hereof following the first month of such term.

     B. If the Rent  Commencement  Date of this Lease  falls on a day other than
the first day of rent a month, Minimum Rent from such day until the first day of
the following month shall be prorated (on the basis of the number of days during
the first  month) and shall be  payable,  in advance,  on the Rent  Commencement
date. In such event,  the installment of rent paid at execution  hereof shall be
applied to the due for the first full calendar month of the term hereof

     C. Tenant  hereby  covenants  and agrees to pay when due all Minimum  Rent,
Additional  Rent and other sums due to  Landlord  hereunder  at such  address as
Landlord may designate,  from time to time, by written notice to Tenant, without
demand and without deduction, set- of, counterclaim or abatement for any reason.

     D. If Landlord,  at any time or times.  shall accept said rent or any other
sum due to it  hereunder  after the same  shall  become  due and  payable.  such
acceptance shall not excuse delay upon subsequent occasions or constitute, or be
construed as, a waiver of any Landlord's rights hereunder.

     E. All sums payable by Tenant under this Lease, whether or not stated to be
Minimum Rent or Additional  Rent. shall be collectible by Landlord as Additional
Rent, and on default in payment thereof  Landlord shall have the same rights and
remedies as for  failure to pay rent  (without  prejudice  to any other right or
remedy available therefor).

     F. Late Charge.  Landlord may impose a late charge,  due on demand.  of not
more than five (5%) percent of any installment of Base Rent that is not received
within  five  (5) days  after it is due.  Any  such  late  charge  is in lieu of
interest on such  installment,  but it otherwise is in addition to, and does not
waive, limit, or otherwise impair, any other right or remedy of Landlord.

     4. Rent Adjustment, Increment in Taxes and Operating.- Expenses.

     A.  Definitions.  As used in this Paragraph 4. the followin2 terms shall be
defined as hereinafter set forth:

     (I.) "Taxes" shall mean all taxes, assessments.  and charges levied upon or
with respect to the Building or any  personal  property of Landlord  used in the
operation thereof.  Taxes shall include.  without  limitation.  all general real
property  taxes  and  general  and  special  assessments.   charges,   fees.  or
assessments for sit, housing,  police,  fire or other  governmental  services or
purported  benefits to the Building,  service payments in lieu of taxes. and any
tax.  fee, or excise on the act of entering,  into this Lease or any other lease
of space in the  Building-,  on the use or occupancy of the Building or any part
thereof,  or on the rent  payable  under  any  lease or in  connection  with the
business of renting space in the Building,  that are now or hereafter  levied or
assessed  against  Landlord by the United States of America,  the State of South
Carolina or any political  subdivision,  public corporation,  district, or other
political  or public  entity.  Taxes shall also  include any other tax,  fee, or
other excise, however. described, that may be levied or assessed as a substitute
for or as an addition to, in whole or in part,  any other Taxes,  whether or not
now customary or in the  contemplation of the parties on the date of this Lease.
Taxes shall not include franchise, transfer, inheritance, or capital stock taxes
or income taxes measured by the net income of Landlord from all sources, unless,
due to a change in the method of  taxation,  any such tax is levied or  assessed
against  Landlord as a substitute for or as an addition to, in whole or in part,
any other tax that would  otherwise  constitute a property tax. Taxes shall also
include  reasonable legal fees, costs, and disbursements  incurred in connection
with proceedings to contest, determine. or reduce Taxes.

     (2.)  "Operating  Expenses"  shall include all expenses,  costs and charges
paid or incurred by Landlord  for the  management,  operation,  maintenance  and
repair ("repair" as used in connection with operating expenses shall not include
alterations or other capital  expenditures  made by Landlord.  but shall include
the  cost  of any  capital  improvements  made  that  were  required  under  any
governmental  law or regulation  that was not  applicable to the premises at the
time of  delivery  of  possession  of the  Demised  Premises  to  Tenant) of the
Building as a first class office building and shall include.  but not be limited
to. the following:

     a. Salaries or wages and fringe benefits and related costs for the services
of Landlord's  employees  performing  services  required in connection  with the
operation. repair and maintenance of the Building; on a regular basis including:

     (i)  watchmen  and  persons  engage  d in  patrolling  and  protecting  the
Building;

     (ii) carpenters. engineers. architects, mechanics.  electricians,  painters
and plumbers engaged in the operation, repair and maintenance of any part of the
Building,  the  plazas  and  sidewalks  around  the  Building  and the  heating,
air-conditioning,  ventilating,  plumbing,  electrical,  elevator and other such
systems of the Building.

     (iii) such other personnel  employed from time to time in order to properly
maintain and operate the Building; and

     (iv)  personnel  engaged  exclusively  in supervision of any of the persons
mentioned above.

     b. The cost of materials  and supplies  used in the  operation,  repair and
maintenance of the Building.

     c. The cost of  replacement  for tools and equipment used in the operation.
repair and maintenance of the Building.

     d. The costs  incurred by Landlord for building  management  and reasonable
legal,  accounting or other  professional  fees incurred in connection  with the
operation of the Building.

     e. Amounts charged to Landlord by contractors  for services.  materials and
supplies  furnished in connection with the operation,  repair and maintenance of
any  part of the  Building,  and  the  heating,  air-conditioning,  ventilating,
plumbing, electrical. elevator and other systems of the Building.

     f. Amounts  charged to Landlord by  contractors  for window  cleaning,  and
cleaning, janitorial and landscaping maintenance services in about the Building.

     9.  Premiums  paid by Landlord  for All Risk  Insurance  for the  Building,
including,  without  limitation,  fire insurance,  with such extended  coverage,
vandalism and malicious mischief coverage.  and rent insurance coverage.  of the
type and character usually carried by landlords of similar first class buildings
and premiums paid for comprehensive  general public liability  insurance against
claims for bodily or other personal  injury,  death or property  damage,  and if
carried by Landlord,  boiler and machinery insurance and war risk insurance. and
such  other  insurance  as may  from  time to time be  reasonably  require  d by
Landlord to protect Landlord against other insurable hazards,  which at the time
are commonly insured against in the case of premises similar to the Building.

     h. Water and sewer charges.

     i. Utility Costs for the operation. maintenance and repair of the Building.
The term  "Utility  Costs"  shall  include  Landlord's  annual  expenses for the
operation and  maintenance  of the Building and the Office Space with respect to
utility  charges for furnishing,  heat, air  conditioning,  electricity,  water.
sewage. gas, garbage removal, etc. If the final lease year (to include renewals)
during which  escalation  may occur shall contain less than twelve  months.  the
increases  hereunder  shall be  prorated.  the Tenant's  obligation  to pay such
increase to survive the expiration of the Lease (and renewal) term.

     Any other expense or charge which, in accordance with sound  accounting and
management  principles  generally accepted with respect to first class buildings
in Charleston, SC area would be construed as an operating expense.

     Operating  expenses  shall be "net  only".  and for that  purpose  shall be
reduced by the amounts of any reimbursement.  credit.  recoupment.  discount. or
allowance actually received by Landlord in connection with such expenses.

          The following items shall be excluded from Operating Expenses:

          (i) Labor Costs in respect of officers and  executives  of Landlord or
     individual  partners of a successor  of  Landlord  if such  successor  be a
     partnership;

          (ii) Any  insurance  premium to the extent that Landlord is reimbursed
     for such premium (other than by Additional Rent payments);

          (iii)  The cost of any  items  for which  Landlord  is  reimbursed  by
     insurance or otherwise compensated;

          (iv) The cost of any additions to the Building  subsequent to the date
     of original construction or any alterations or refurbishing of space leased
     to other tenants of the Building.

          (v)  "Tenant's  Share" means a pro rata portion  which is a percentage
     calculated  by dividing  the number of rentable  square feet in the Demised
     Premises by the Total Rentable Square feet in the Building, as set forth in
     Article 1.

          B. Payment of Tenant's Share

          (1.)  Tenant's  Share of Taxes and  Operating  Exi2enso.  For and with
     respect to each  calendar year within which the term of this Lease (and any
     renewal or extension  thereof) falls,  during which the total of "Operating
     Expenses"  and the "Taxes" as  hereinabove  defined  exceeds  Four  ($4.00)
     Dollars  per  rentable  square  foot of  Building-  space  per  annum  (the
     "Operating  Expense Base"),  there shall accrue as Additional Rent Tenant's
     Share of such  excess  Taxes and  Operating  Expenses  for such year.  Such
     Additional  Rent  shall be  prorated  on a per them  basis for any  partial
     calendar  year  included  within  the  beginning  and end of the term.  For
     purposes of this  Paragraph 4B (I.),  any  assessment  upon which  Tenant's
     Share of Taxes is based shall be deemed to be the amount initially assessed
     until such time as a refund,  rebate or increase,  if any  (retroactive  or
     otherwise),  shall be  finally  determined  to be due.  and upon such final
     determination, Landlord shall promptly notify Tenant of the amount, if any.
     due to  Tenant  or  Landlord.  as the  case  may  be.  as a  result  of the
     adjustment,  and appropriate payment to Landlord or Tenant, as the case may
     be.  shall  thereafter  be promptly  made.  Landlord  shall have no duty to
     Tenant to contest. appeal or otherwise challenge any Taxes. In the event of
     any reduction in Taxes by reason of legal or other action taken by Landlord
     in  contest  of same.  there  shall be added to and be deemed a part of the
     Taxes in question the amount of Landlord  reasonable  legal and other costs
     and expenses in obtaining-  the  reduction  (but not an amount in excess of
     the tax saving for one year).

          Time and Manner of  Payment.  Prior to the end of each  calendar  year
     during the Term (and any renewal period),  Landlord shall deliver to Tenant
     a statement  setting forth the amount by which the  Operating  Expenses and
     Taxes are projected to exceed the  Operating  Expense  Base.  During,  each
     month of the  ensuing  calendar  year,  Tenant  shall  pay to  Landlord  as
     Additional Rent,  contemporaneously with payment of Minimum Rent, an amount
     equal to one-twelfth (1/12) of Tenant's Share of such excess.

          (3.)  Tax and  Operating-  Expense  Statements.  On or  about  April I
     following the end of each calendar  year, or at such later time as Landlord
     may be able to determine the actual amounts of Taxes and Operating Expenses
     for the calendar year last ended,  Landlord  shall notify Tenant in writing
     of such actual  amounts.  If the actual  amounts exceed the amounts paid by
     Tenant as  Additional  Rent on account  thereof in the  calendar  Year last
     ended, Tenant shall, within thirty (30) days of receipt of such notice, pay
     to Landlord  Tenant's Share of such excess.  If the actual amounts of Taxes
     and  Operating  Expenses for the calendar year last ended are less than the
     amounts paid by Tenant in the calendar year last ended, then Landlord shall
     credit  such  excess  to  installments  of rent  payable  after the date of
     Landlord's  notice until such credit is  exhausted.  No interest or penalty
     shall  accrue to Tenant on any amounts  which  Landlord may be obligated to
     credit or pay to Tenant by reason of this paragraph.

          C. Survival After Termination.  If. upon termination of this Lease for
     any cause, the amount of any Additional Rent due pursuant to this Paragraph
     4 has not yet been  determined,  Tenant  shall pay  Landlord  an  estimated
     amount  of  Additional  Rent as  determined  by  Landlord  based  upon  the
     preceding year's Additional Rent, and an appropriate payment from Tenant to
     Landlord or refund from  Landlord to Tenant  shall be made  promptly  after
     such determination.

          5. Use of Demised  Premises.  The  Demised  Premises  shall be used by
     Tenant as a  business  or  professional  office  and for no other  purposes
     without  the prior  written  consent of  Landlord.  Tenant will not use the
     Demised  Premises for the purpose of retail  sales.  Tenant shall not do or
     permit to be done in or about the  Demised  Premises,  nor bring or keep or
     permit to be brought or kept  therein,  anything  which is prohibited by or
     will in any way conflict  with any law,  statute,  ordinance or  government
     rule or  regulation  now in force or which  may  hereafter  be  enacted  or
     promulgated,  or which is prohibited by any standard form of fire insurance
     policy or will in any way increase the existing  rate or affect any fire or
     other  insurance  upon  the  Building  or any of its  contents,  or cause a
     cancellation of any insurance  policy covering the Building or part thereof
     or any of its contents.  Tenant shall not do or permit  anything to be done
     in or  about  the  Demised  Premises  which  will  in any way  obstruct  or
     interfere  with the rights of other tenants of the  Building,  or injure or
     annoy  them  or use or  allow  the  Demised  Premises  to be  used  for any
     improper,  immoral.  unlawful or  objectionable  purpose  nor shall  Tenant
     cause.  maintain.  or permit  any  nuisance  in,  on, or about the  Demised
     Premises, or commit or suffer to be committed any waste in. on or about the
     Demised Premises.  Tenant shall occupy the Demised Premises during the term
     and use it for the uses permitted herein.

          . Improvement of the Demised Premises.  Landlord's  standard finish in
     the Demised  premises for Tenant shall be limited to the items set forth in
     Exhibit A- I attached hereto.  It shall be presumed that all work performed
     by or on behalf of Landlord as required herein was satisfactorily performed
     in accordance  with, and meeting the  requirements  of. this Lease.  unless
     within sixty (60) days after  delivery of possession of the space to Tenant
     and completion of such work Tenant shall notify  Landlord,  in writing,  of
     the specific deficiencies.

          7. Services.  The following  provisions  relating to Building services
     shall be applicable:

          A. HVAC. Landlord shall furnish heat, ventilation and air-conditioning
     to the Demised  Premises Monday through Friday from 8:00 a.m. to 6:00 p.m.,
     and 8:00 a.m. to 1:00 p.m.  Saturdays,  holidays  (meaning  New Year's Day,
     Memorial Day, July 4th. Labor Day,  Thanksgiving Day, Christmas Day or such
     days as are  customarily  designated for observance of such days) excepted.
     Heat and  conditioned  air  required  by Tenant at times  other  than those
     mentioned above shall be supplied upon reasonable  prior notice,  and shall
     be paid for by Tenant,  promptly  upon  billing,  at such rates as Landlord
     shall   from   time  to  time   establish   therefor.   The   heating   and
     air-conditioning systems intended to service the Demised Premises have been
     designed to be capable of providing comfortable occupancy for normal office
     use. Any additional or supplementary heating or cooling systems required or
     desired by Tenant and  approved by Landlord  shall be installed at Tenant's
     cost in accordance  with the provision of paragraph 6 hereof The furnishing
     of heat and  conditioned  air shall be subject to any  statute,  ordinance.
     rule,  regulation.  resolution or  recommendation  for energy  conservation
     which may be promulgated by any governmental  agency or organization  which
     Landlord shall be required to abide by, or in good faith may elect to abide
     with.

          B. Access.  Tenant and its  employees  and agents shall have access to
     the Demised  Premises  at all times,  subject to the  compliance  with such
     security measures as shall from time to time be in effect for the Building.

          C.  Janitorial.  Landlord  shall  provide  janitorial  services to the
     Demised  Premises as specified on Exhibit "E" annexed  hereto.  Any and all
     additional  or  specialized  janitorial  service  desired  by Tenant may be
     contacted for by Tenant directly with Landlord's  janitorial agent, and the
     cost and payment  therefor shall be and remain the sole  responsibility  of
     Tenant.  Tenant shall not place nor store any trash or other refuse  matter
     or debris in any  corridors  or common  areas of the  Building,.  unless in
     receptacles provided therefor by Landlord.

          D.  Repairs.  Landlord  shall be  responsible  for  making  structural
     repairs to the Building,  for  maintaining  the Building roof and exterior.
     and for making repairs to systems, facilities and equipment located outside
     of but  furnishing  service to the Demised  Premise.  In the event that any
     such repair is required by reason of the  negligence  or abuse of Tenant or
     its agents.  employees.  invitees or of any other  person using the Demised
     Premises with Tenant's consent, express or implied.  Landlord may make such
     repair and add the cost thereof to the first installment of rent which will
     thereafter become due, unless Landlord shall have actually recovered or has
     the  right to  recover  such cost  through  insurance  proceeds.  All other
     repairs of every type and nature  including  those to windows,  plate glass
     and doors.  excluding  repairs  required  by reason of acts of God.  latent
     defects  in and  settlement  of  the  Building-.  shall  be  Tenant's  sole
     responsibility,

          E. Common Areas. Landlord shall keep and maintain the common areas and
     facilities of the Building clean and in good working, order.

          F. Lighting.  Landlord will provide  replacement of Building  standard
     lighting tubes, bulbs and ballast's.

          G.  Electricity.  Landlord  shall  furnish the Demised  Premises  with
     electric  current for  lighting  and normal  office use and for heating and
     air-conditioning.  Tenant  shall not  install  or  operate  in the  Demised
     Premises any electrically operated equipment or other machinery, other than
     typewriters,  adding machines.  reproduction  machines. and other machinery
     and equipment  using I 10 voltage  normally used in modem offices,  without
     first  obtaining  the prior written  consent of the Landlord.  Landlord may
     condition  such  consent upon the payment by Tenant of  Additional  Rent as
     compensation  for the additional  consumption of electricity  occasioned by
     the  operation of said  equipment or  machinery.  Landlord may require that
     special.  high  electricity  consumption  installations  of Tenant (such as
     mainframe computer or reproduction facilities) be separately submetered for
     electrical  consumption,  at Tenant's cost. In such case.  Tenant shall pay
     for such  metered  consumption  based upon the retail rate  (including  all
     applicable  taxes and adjustment  charges) which Tenant would have paid had
     Tenant purchased such electricity directly from electric utility company.

          8. Limitation Regarding Services. Landlord reserves the right, without
     any liability to Tenant and without being in breach of any covenant of this
     Lease, to interrupt or suspend service of any of the heating,  ventilating,
     air-conditioning,  electric,  or other Building systems serving the Demised
     premises,  or  the  rendition  of any of the  other  services  required  of
     Landlord under this Lease. whenever, and for so long as may be necessary by
     reason of  accidents.  emergencies.  strikes  or the  making of  repairs or
     changes  which  Landlord  is required by this Lease or by law to make or in
     good faith deems  advisable,  or by reason of difficulty in securing proper
     supplies of fuel,  steam,  water,  electricity,  labor or  supplies.  or by
     reason of any other cause beyond Landlord's  reasonable control,  including
     without limitation. mechanical failure and governmental restrictions on the
     use of  materials  or the  use of any of the  Building-  systems.  In  each
     instance,   however,   Landlord  shall  exercise  reasonable  diligence  to
     eliminate the cause of interruption  and to effect  restoration of service.
     and  shall  give  Tenant  reasonable  notice,  when  practicable,   of  the
     commencement and anticipated  duration of such  interruption.  Tenant shall
     not  be  entitled  to  any   diminution  or  abatement  of  rent  or  other
     compensation  nor shall this Lease or any of the  obligations of the Tenant
     be  affected  or  reduced  by  reason  of  the  interruption.  stoppage  or
     suspension  of the Building  systems or services  arising out of the causes
     set forth in this paragraph.

          9. Care of the Demised  Premises.  Tenant  agrees that it shall comply
     with the following requirements:

          A.  Governmental  Requirements.  Tenant shall at all times comply with
     any and all Federal, state and local statues. regulations,  ordinances. and
     other requirements, of any of the constituted public authorities and of all
     insurance  underwriters,  relating- to its use and occupancy of the Demised
     Premises.

          B. Access.  Tenant shall give Landlord access to the Demised  Premises
     at all  reasonable  times,  without  charge or diminution of rent. and upon
     reasonable  prior notice  (except that no prior notice shall be required in
     an emergency), to enable Landlord: (1) to examine the same and to make such
     repairs. additions and alterations as Landlord may be permitted or required
     to make hereunder or as Landlord may deem advisable for the preservation of
     the  integrity.  safety and good order of the Building or any part thereof.
     and  (2)  to  show  the  Demised  Premises  to  prospective  mortgages  and
     purchasers  and, during the twelve (12) month period prior to expiration of
     the term hereof. to prospective  tenants.  Except in the case of emergency,
     and,  such  repairs.  additions  and  alterations  made by  Landlord in the
     Demised Premises shall be made during  nonbusiness hours and in such manner
     as not to  unreasonably  interfere  with the conduct of Tenant's  business.
     unless required by virtue of Tenant's negligence or fault.

          C.  Condition.   Tenant  shall  keep  the  Demised  Premises  and  all
     installations  and  systems  therein  in safe.  good  order  and  condition
     generally  and  except  for  such  structural  repairs  as  are  Landlord's
     obligation  under  this  Lease,  Tenant  shall,  at its own cost.  make all
     repairs and  replacements to the Demised Premises of every type and nature,
     ordinary and  extraordinary,  foreseen or  unforeseen,  as are necessary to
     maintain same in such safe,  good order and  condition.  excluding  repairs
     required by reason of acts order of God,  latent  defects and settlement of
     Building.

          D.  Surrender.  Upon  the  termination  of this  Lease  for any  cause
     whatsoever, Tenant shall remove Tenant's goods and effects and those of any
     other person  claiming  under  Tenant,  and quit and deliver up the Demised
     Premises to Landlord  peaceably  and quietly in as good order and condition
     as at the inception of the term of this Lease (or in such  condition as the
     same hereafter may be improved by Landlord or Tenant),  reasonable wear and
     tear,  damage by fire or other  casualty and repairs  which are  Landlord's
     obligation  excepted.  Goods  and  effects  not  removed  by  Tenant at the
     termination  of this Lease shall be considered  abandoned and Landlord may,
     upon ten (IO) days'  notice to  Tenant.  treat the same as its own and use,
     dispose  of  and/or  store  the  same as it  deems  expedient,  the cost of
     disposal or storage to be charged to Tenant.

          E. Tenant shall not place.  paint or display signs lettering.  logo or
     advertising  matter on the exterior or interior of the Building except with
     the prior written approval of the Landlord.

          F. Care,  Insurance.  Tenant shall not overload,  damage or deface the
     Demised  Premisesor  do any act  which  might  make  void or  voidable  any
     insurance on the Demised  Premises or the Building,  or which may render an
     increased or extra premium payable for insurance (and without  prejudice to
     any right or remedy of  Landlord  regarding,  this  subparagraph.  Landlord
     shall have the right to collect from Tenant upon demand,  any such increase
     or extra premium).

          G. Alterations: Additions. Tenant shall not make any alterations of or
     additions to the Demised  Premises  without the prior  written  approval of
     Landlord.   Said   approval   shall  not  be   unreasonably   withheld  for
     nonstructural interior alterations,  provided reasonably detailed plans and
     specifications for the work are furnished to Landlord. All such alterations
     and  additions,  as  well  as all  fixtures.  equipment.  improvements  and
     appurtenances  installed in the Demised  Premises (but excluding-  Tenant's
     trade fixtures) shall, upon installation. become and remain the property of
     Landlord and shall be maintained by Tenant during the term hereof.  and any
     renewals and extensions thereof. in the same good order and repair in which
     the Demised Premises are generally required to be maintained. Tenant shall,
     at the  expiration of the term hereof.  remove  Tenant's trade fixtures and
     other personal  property which can be removed without damage to the Demised
     Premises.  All  alterations  and  additions by Tenant shall be performed in
     accordance  with  the  plans  and  specifications   therefor  submitted  to
     Landlord. in a good and workmanlike manner and in conformity with all laws,
     regulations,  rules, ordinances. and other requirements of any governmental
     or quasi-governmental authorities having jurisdiction.

          H.  Rules  and   Regulations   Tenant  shall  observe  the  rules  and
     regulations  annexed  hereto as Exhibit  "D",  as the same may from time to
     time be amended by Landlord for the general safety, comfort and convenience
     of occupants and tenants of the Building.

          1. System Changes.  Tenant shall not exceed the capacity of any of the
     electrical conductors and equipment in the Demised Premises or Building and
     shall not  install any  equipment  of any kind or nature  whatsoever  which
     would or might  necessitate  any changes,  replacements or additions to (or
     which might  cause  damage to) the  plumbing  system,  the heating  system,
     air-conditioning  system or the  electrical  system  servicing  the Demised
     Premises or any other  portion of the  Building  without the prior  written
     consent of the  Landlord,  and in the event such  consent is  granted.  all
     costs in connection with such  replacements.  changes or additions shall be
     paid for by Tenant in advance.

          10. Subletting and Assigning: Mortgages

          A. General Restrictions.  Tenant shall not assign this Lease or sublet
     all or any portion or portions of the Demised  Premises  without  obtaining
     Landlord's prior written consent thereto, which consent, if given, will not
     release Tenant from its obligations hereunder unless expressly so stated in
     the consent and will not be deemed a consent to any further  subletting  or
     assignment.  Tenant  shall  furnish to  Landlord,  in  connection  with any
     request  for  such  consent,  reasonably  detailed  information  as to  the
     identity and business  history of the proposed  assignee or  subtenant,  as
     well as the proposed  effective  date of the  assignment  or  sublease.  If
     Landlord   consents  to  any  such  subletting  or  assignment,   it  shall
     nevertheless  be a  condition  to the  effectiveness  thereof  that a fully
     executed copy of the sublease or assignment, in form and substance approved
     by Landlord,  be  furnished  to Landlord  and that any  assignee  assume in
     writing all obligations of Tenant  hereunder.  Tenant shall not mortgage or
     encumber  this Lease.  Any profit made by Tenant  from such  assignment  or
     subletting shall be paid by Tenant to Landlord.

          B. Affiliates. Landlord shall not unreasonably withhold its consent to
     an assignment of this Lease or to a subletting of all or any portion of the
     Demised Premises to a corporate affiliate of Tenant, for the uses permitted
     in this Lease. For purposes hereof, the term corporate affiliate shall mean
     a business  entity or corporation  that controls or is controlled by, or is
     under common control with,  Tenant.  The word "control" means the right and
     power,  direct  or  indirect,  to  direct  or cause  the  direction  of the
     management   policies  of  an  entity-,,   through   ownership  of  voting,
     securities, contract or otherwise.

          11.  Fire or Other  Casualty.  In the event of  damage to the  Demised
     Premises or those  portions of the Building  PTOvidin2  access or essential
     services thereto. by fire,  hurricane or other casualty,  Landlord shall at
     its expense  cause the damage to be  repaired  to a condition  as nearly as
     practicable to that existing prior to the damage. with reasonable speed and
     diligence.  Landlord shall not however.  be obligated to restore or rebuild
     the  Demised  Premises  to a  condition  in  excess of that in which it was
     delivered  from Landlord to Tenant as specified in Paragraph 6 hereof.  nor
     in an, event to repair,  restore or rebuild any of Tenant's property or any
     alterations  or  additions  made by Tenant after  commencement  of the term
     hereof.  To the  extent  and for the time  that the  Demised  Premises  are
     thereby rendered untenantable.  the rent shall proportionately abate unless
     the damage  was due to the  negligence  of Tenant.  In the event the damage
     shall  involve  the  Building  generally  and  shall be so  extensive  that
     Landlord  shall  decide not to repair or rebuild  the  Building.  or if any
     mortgagee  of the  Building  shall not permit the  application  of adequate
     insurance  proceeds for repair or  restoration  of the Building,  or if the
     casualty  of the  Building  shall not be of a type  insured  against  under
     standard fire policies with extended type  coverage.  this Lease shall,  at
     the  option of  Landlord,  exercisable  by written  notice to Tenant  given
     within sixty (60) days thereof.  be  terminated  as of a date  specified in
     such notice (which shall not be more than thirty (30) Davis thereafter) and
     the rent (taking into account any abatement as aforesaid) shall be prorated
     to the  termination  date and Tenant shall  thereupon  promptly  vacate the
     Demised Premises.

          12. Liability.

          A. Damage in General.  Tenant agrees that Landlord and its  respective
     officers,  employees and agents.  shall not be liable to Tenant, and Tenant
     hereby releases said parties,  for any personal injure or damage to or loss
     of personal  property in or about the Demised Premises c,;- Building,  from
     any cause whatsoever,  unless such damage.  loss or injury results from the
     gross  negligence or willfulness of Landlord or its officers,  employees or
     agents. Landlord and its officers, employees and agents shall not be liable
     to Tenant for any such  damage or loss  whether or not such  damage or loss
     results from the gross negligence, or willfulness,  to the extent Tenant is
     compensated therefor by Tenant's insurance or could have obtained insurance
     at customary rates to cover such damage or loss.

          B.  Indemnity.  Tenant  shall  defend.  indemnify  and  save  harmless
     Landlord  and its agents and  employees  against and from all  liabilities.
     obligations.  damages,  penalties,  claims,  costs,  charges and  expenses,
     including reasonable attorneys' fees, which may be imposed upon or incurred
     by or asserted  against  Landlord and/or its agents by reason of any of the
     following  which  shall  occur  during the term of this Lease or during any
     period of time prior to the  commencement  date hereof when Tenant may have
     been  given  access  to or  possession  of all or any  part of the  Demised
     Premises:

          (I.) any work or act done in. on or about the Demised  Premises or any
     licensees  or  part  thereof  at  the  direction  of  Tenant,  its  agents,
     contractors, subcontractors, servants, employees, invitees;

          (2.) any  negligence or other  wrongful act or omission on the part of
     Tenant  or  any  of  its  agents.  contractors.  subcontractors.  servants.
     employees. subtenants, licensees or invitees;

          (3.)  any  accident,  injury  or  damage  to any  person  or  property
     occurring in. on or about the Demised Premises or any part thereof,  unless
     caused by the gross negligence of Landlord. its employees or agents: and

          (4.) any  failure on the part of Tenant to perform or comply  with any
     of the covenants, agreements, terms, provisions,  conditions or limitations
     contained in this Lease on its part to be performed or complied with.

          13. Eminent Domain.  If all or any part of the Building shall be taken
     or condemned for a public or quasi-public use under any statute or by right
     of eminent  domain or private  purchase  in lieu  thereof by any  competent
     authority.  Tenant shall have no claim against  Landlord and shall not have
     any claim or right to any  portion  of the  amount  that my be  awarded  as
     damages or paid as a result of any such  condemnation or purchase.  and all
     rights of the Tenant to damages  therefor are hereby  assigned by Tenant to
     Landlord. The foregoing shall not. however.  deprive Tenant of any separate
     award for moving expenses,  business  dislocation  damages or for any other
     award which would not reduce the award  payable to Landlord.  Upon the date
     the right to possession shall vest in the condemning authority.  this Lease
     shall cease and terminate  with rent prorated to such date and Tenant shall
     have no claim against  Landlord for the value of any unexpired term of this
     Lease.  Notwithstanding the foregoing,  if the condensation does not affect
     the  tenantabilitv  of the Demised  Premises,  Landlord  may,.  at its sole
     option, continue this Lease in full force and effect.

          14.  Insolvency.  (a) The appointment of a receiver or trustee to take
     possession of all or a substantial  portion of the assets of Tenant, or (b)
     an assignment by Tenant for the benefit of creditors,  (c) the  institution
     by or against Tenant of any  proceedings  for bankruptcy or  reorganization
     under  any  state  or  federal  law  (unless,  in the  case of  involuntary
     proceedings,  the same shall be  dismissed  within  sixty,  (60) days after
     institution).  or (d) any execution issued against a significant portion of
     the assets of Tenant or against Tenant's leasehold interest hereunder which
     is not stayed or  discharged at least twenty (20) days prior to a scheduled
     execution  sale,  shall  constitute  a  breach  of this  Lease  by  Tenant.
     Landlord,  in the  event of such a  breach,  shall  have,  without  need of
     further notice, the rights enumerated in Section 15 herein.

          15. Default,

          A.  Events of  Default.  If Tenant  shall  fail to pay  minimum  Rent.
     Additional Rent or any other s= payable to Landlord  hereunder when due. or
     if Tenant  shall fail to perform  or  observe  any of the other  covenants,
     terms or  conditions  contained in this Lease within ten (10) days (or such
     longer  period as is reasonably  required to correct any such default,  but
     not more than thirty ('30.) days,  provided Tenant  promptly  commences and
     diligently  continues to effectuate a cure) after written notice thereof by
     Landlord,  or if any of the events  specified in Paragraph 14 hereof occur.
     or if Tenant  vacates or  abandons  the Demised  Premises  during- the term
     hereof or removes  or  manifests  an  intention  to remove any  substantial
     portion of Tenant's code or property.  therefrom other than in the ordinary
     and usual course of Tenant's  business.  or in the event Tenant's  interest
     under  this  Lease is  assigned  by  operation  of law  without  Landlord's
     acceptance  thereof.  - if any of Tenant's property or goods in the Demised
     Premises are seized or impounded by legal  authority,  then.  and in any of
     said cases (notwithstanding any former breach of covenant or waiver thereof
     in a former  instance),  Landlord,  in  addition  to all other  rights  and
     remedies  available  to it by law or  equity  or by  any  other  provisions
     hereof.  may at any time thereafter:  upon five (5) days' notice to Tenant.
     declare to be immediately due and payable, on account of the rent and other
     charges  herein  reserved  for the balance of the term of this Lease (taken
     without  regard  to any  early  termination  of  said  term on  account  of
     default).  a sum equal to the  Accelerated  Rent Component (as  hereinafter
     defined),  and  Tenant  shall  remain  liable to  Landlord  as  hereinafter
     provided; and/or

          (2.) whether or not  Landlord  has elected to recover the  Accelerated
     Rent  Component.  terminate this Lease on at least five (5) days' notice to
     Tenant and. on the date  specified in said notice.  this Lease and the term
     hereby demised and all rights but not obligations of Tenant hereunder shall
     expire  and  terminate  and  Tenant  shall  thereupon  quit  and  surrender
     possession of the Demised  premises to Landlord in the condition  elsewhere
     herein  required and Tenant shall remain liable to Landlord as  hereinafter
     provided.

          B.  Accelerated Rent Component.  For purposes hereof.  the Accelerated
     Rent Component shall mean the aggregate of-.

          (I.) all rent and other charges, payments, costs and expenses due from
     Tenant to Landlord  and in arrears at the time of the  election of Landlord
     to recover the Accelerated Rent Component,

          (2.) the Minimum Rent reserved for the then entire  unexpired  balance
     of the term of @s Lease (taken without  regard to any early  termination of
     the term by virtue of any default), plus all other charges, payments, costs
     and expenses  herein agreed to be paid by Tenant up to the end of said term
     which shall be capable of precise  determination  at the time of Landlord's
     election to recover the Accelerated  Rent Component.  discounted to present
     value at the then  existing  prime rate of  Wachovia  National  Bank or its
     successor; and

          (').) Landlord's good faith estimate of all charges,  payments,  costs
     and expenses  herein agreed to be paid by Tenant up to the end of said term
     which shall not be capable of precise  determination  as aforesaid (and for
     such  purposes no estimate of any  component of  Additional  Rent to accrue
     pursuant to the  provisions  of  Paragraph 4 hereof  shall be less than the
     amount which would be due if each such  component  continued at the highest
     monthly rate or amount in effect during the twelve (12) months  immediately
     preceding  the default)  discounted  to present  value at the then existing
     prime rate of Wachovia National Bank or its successor.

          C.  Re-entry.  In any  case  in  which  this  Lease  shall  have  been
     terminated,  or in any case in which Landlord shall have elected to recover
     the  Accelerated  Rent  Component  and any portion of such sum shall remain
     unpaid,  Landlord may, without further notice, enter upon and repossess the
     Demised Premises,  by summary proceeding(  ejectment or otherwise,  and may
     dispossess Tenant and remove Tenant and all other persons and property from
     the Demised  Premises and may have. hold and enjoy the Demised Premises and
     the rents and profits  therefrom.  Landlord  may, in its own name, as agent
     for Tenant. if this Lease has not been terminated, or in its own behalf. if
     this Lease has been  terminated,  relet the  Demised  Premises  or any part
     thereof  for such  term or terms  (which  may be  greater  or less than the
     period which would  otherwise have  constituted  the balance of the term of
     this  Lease) and on such  conditions  and  provisions  (which  may  include
     concessions  or  free  rent)  as  Landlord  'in  its  sole  discretion  may
     determine.  Landlord may, in connection with any such relenting,  cause the
     Demised Premises to be redecorated.  altered.  divided.  consolidated  with
     other space or otherwise  changed or prepared for reletting.  No reletting-
     shall be deemed a surrender and acceptance of the Demised Premises.

          D. Continuing, Liability. Tenant shall. with respect to all periods of
     time up to and including the  expiration of the term of this Lease (or what
     would have been the  expiration  date in the  absence of default or breach)
     remain liable to Landlord as follows:

          (I.) in the event of  termination of this Lease on account of Tenant's
     default or breach. Tenant shall remain liable to Landlord for damages equal
     to the rent and other  charges  payable  under this Lease b,,- Tenant as if
     this Lease were still in effect,  less the net  proceeds  of any  relenting
     after deducting all costs incident thereto  (including-  without limitation
     all repossession costs.  brokerage-e and management commissions.  operating
     and  legal  expenses  annual  tees,  alteration  0 costs  and  expenses  of
     preparation  for  reletting)  and to the extent such damages shall not have
     been  recovered  by  Landlord  by  virtue  of  payment  by  Tenant  of  the
     Accelerated Rent Component (but without  prejudice to the night of Landlord
     to demand and receive the Accelerated Rent Component), such damage shall be
     payable to Landlord  monthly upon  presentation to Tenant of a bill for the
     amount due: and

          (2.) in the  event  and so long as this  Lease  shall  not  have  been
     terminated  after  default  or  breach  by  Tenant,  the rent and all other
     charges  payable  under this Lease shall be reduced by the net  proceeds of
     any reletting by Landlord  (after  deducting all costs incident  thereto as
     above set forth) and by any portion of the Accelerated  Rent Component paid
     by Tenant to  Landlord,  and any  amount due to  Landlord  shall be payable
     monthly upon presentation to Tenant of a bill for the amount due.

          E. Credit.  In the event  Landlord  shall,  after default or breach by
     Tenant,  recover the Accelerated Rent Component from Tenant and it shall be
     determined  at the  expiration  of the term of this  Lease  (taken  without
     regard  to early  termination  for  default)  that a credit  is due  Tenant
     because the net proceeds of relating,  as aforesaid,  plus the amounts paid
     to  Landlord  by Tenant  exceed  the  aggregate  of rent and other  charges
     accrued in favor of Landlord to the end of said term. Landlord shall refund
     such excess to Tenant. without interest, promptly after such determination.

          F. No Duty to  Relet.  Landlord  shall in no event be  responsible  or
     liable for any failure to relet the Demised  Premises or any part  thereof,
     or for any failure to collect any rent due upon a reletting.

          G.  Additional  Rights.  As a  cumulative  and  alternative  remedy of
     Landlord in the event of  termination  of this Lease by Landlord  following
     any breach or default by Tenant, Landlord, at its option, shall be entitled
     to recover  damages for such breach in an amount  equal to the  Accelerated
     Rent Component  (determined from and after the date of Landlord's  election
     under this  subsection  (G) less the  discounted  present value of the fair
     rental value of the Demised  Premises for the remainder of the term of this
     Lease (taken  without  regard to the early  termination),  and such damages
     shall be payable by Tenant  upon  demand.  All  remedies  set forth in this
     Section 15 shall be in addition to any other remedies provided by law.

          H.  Bankruptcy.  Nothing  contained  in  this  Lease  shall  limit  or
     prejudice the right of Landlord to prove for and obtain as damages incident
     to a termination of this Lease, in any bankruptcy,  reorganization or other
     court proceedings. the maximum amount allowed by any statute or rule of law
     in effect when such damages are to be proved.

          I.  Overdue  Payments.  If rent or any  other  sum due from  Tenant to
     Landlord  shall be overdue  for more than  fifteen  (15) days after the due
     date. it shall  thereafter bear interest at the rate of eighteen percent (I
     8%) per annum (or, if lower. the hi2hest le2al rate) until paid.

          16. Subordination.

          A. General.  This Lease is and shall be subject to and  subordinate to
     all  ground  or  underlying-  leases  of  the  entire  Building  and to all
     mortgages  which may now or hereafter  be secured upon the Building  and/or
     Land. and to all renewals, modifications,  consolidations, replacements and
     extensions  thereof  This  clause  shall be  self-operative  and no further
     instrument of  subordination  shall be required by any lesser or mortgagee.
     but in confirmation  of such  subordination.  Tenant shall execute,  within
     fifteen  (15)  days  after  request,  any  certificate  that  Landlord  may
     reasonably require  acknowledging such  subordination.  Notwithstanding the
     foregoing,  the  party  holding  the  instrument  to  which  this  Lease is
     subordinate  shall have the right to recognize  and preserve  this Lease in
     the event of any foreclosure sale or possessory  action.  and in such case,
     this  Lease  shall  continue  in full force and effect at the option of the
     party holding the superior lien or interest and Tenant shall attorn to such
     party and shall execute,  acknowledge  and deliver any instrument  that has
     for  its  purpose  and  effect  the  confirmation  of such  attornment.  If
     Landlords  shall so request.  Tenant shall send to any  mortgagee or ground
     lessor or lessor of the entire Building  designated by Landlord.  a copy of
     any notice given by tenant to Landlord  alleging a material  breach by Land
     lord  in  its  obligations  under  this  Lease.  The  foregoing  provisions
     concerning  subordination  shall be subject to the further  limitation that
     this Lease shall not be  subordinated  to any  mortgage  other than a first
     mortgage unless the holder of such first mortgage shall consent thereto.

          B.  Rights  of  Mortgagee.  In the  event  of any act or  omission  of
     Landlord which would give Tenant the right. immediately or after lapse of a
     period of time. to cancel or terminate this Lease, or to claim a partial or
     total eviction. Tenant shall not exercise such right:

          (I.) until it has given written  notice of such act or omission to the
     holder of each such  mortgage and ground lease or  underlying  lease of the
     entire Building whose name and address shall previously have been furnished
     to Tenant in writing; and

          (2.) until a  reasonable  period for  remedying  such act or  omission
     shall have elapsed  following the giving of such notice  (which  reasonable
     period shall in no event be less than the period to which Landlord would be
     entitled,  under this Lease or otherwise.  after similar notice.  to effect
     such remedy).

          C. Non-disturbance  Agreement.  The subordination of this Lease and of
     Tenant's leasehold  interest hereunder to the lien of any mortgage,  ground
     lease or other  encumbrance  hereafter  placed on the  Demised  Premises is
     conditioned upon execution and delivery by such mortgagee, ground lessor or
     other  encumbrancer  to the Tenant of an  agreement in form  acceptable  to
     Landlord and the holder of such superior lien and in recordable form, under
     which such mortgagee,  around lessor or other encumbrancer (for itself, its
     successors  and  assigns,  and for anyone  asserting  title to, or right to
     possession  of, the Demised  Premises  under the  remedies  afforded by the
     mortgagee, ground lease or other encumbrance). shall covenant and agree for
     the benefit of Tenant. its successors and assigns:

          (I.) to take no action to interfere with the possession and use of the
     Demised  Premises by Tenant.  its successors  and assigns  and/or  Tenant's
     rights hereunder, except to the extent permitted to Landlord by the express
     provisions of this Lease: and

          (2.) upon any,  foreclosure  sale or other sale,  the purchaser  shall
     become the  Landlord  under this Lease and agrees to be bound by all of its
     terms, provided Tenant attorns to such purchaser.

          17.  Reservations  in Favor of Landlord  All walls,  windows and doors
     bounding the Demised  Premises  (including  exterior  Building walls,  core
     corridor walls and doors and any core corridor entrance), except the inside
     surfaces  thereof.  any terraces or roofs adjacent to the Demised Premises,
     and any space in or  adjacent  to the  Demised  Premises  used for  shafts.
     pipes,  conduits,  fan rooms. ducts. electric or other utilities.  sinks or
     other  Building  facilities,  and the use  thereof.  as well as  reasonable
     access thereto throu2h the Demised  Premises for the purposes of operation,
     maintenance. decoration and repair, are reserved to Landlord.

          18. Notices.  All bills.  statements,  notices or other communications
     given hereunder shall be deemed sufficiently . given or rendered only if in
     writing  delivered  personally or sent by certified  mail,  return  receipt
     requested, postage prepaid, as follows:

If to Tenant
Envirometrics, Inc.
Attn:
Faber Place Drive Suite 201
North Charleston, South Carolina 29405

                       If to Landlord: LPC of S.C.. Inc.
                            Attn: C. G. Whitmire, Jr.
                               Post Office Box 789
                      Greenville. South Carolina 29602-0789

Copy to:                                    Liberty Properties Group, Inc.
                                            Attn: Peggy Campbell
                                            4055 Faber Place Drive
                                            Charleston.  South Carolina 29405

          or to such other person or place as a party may designate by notice as
     aforesaid.  Notice by mail shall be deemed  given on the date or receipt as
     shown  on the  return  receipt.  Notices  requesting  after-hours  Building
     services may be given. in writing by Tenant to' the Building superintendent
     designated by Landlord for such purposes.

          19.  Holding  Over.  Should Tenant  wrongfully  continue to occupy the
     Demised  Premises after expiration of the term of this Lease or any renewal
     or renewals thereof,  except on expiration of the term of this Lease or any
     renewal or renewals  thereof  occasioned  by default,  such  tenancy  shall
     (without  limitation on any of Landlord's  rights or remedies  therefor) be
     one at  sufferance  from month to month at a minimum  monthly rent equal to
     twice the total Minimum Rent and Additional Rent payable for the last month
     of the term of this lease prior to the  holdover.  The  foregoing  right to
     recover  double  rent  shall  not  apply if  Tenant  shall  experience  any
     unavoidable  delay in moving due to strikes.  accidents or acts of God. not
     in excess of fifteen (I 5) days.

          20. Waiver of Subordination.  Each party hereto hereby, waives any and
     every  claim  which  arises or which may arise in its favor and against the
     other  party  hereto  during  the term of this  Lease or any  extension  or
     renewal  thereof for-any and all loss of. or damage to, any of its property
     located  within  or upon or  constituting  a part of the  Building.  to the
     extent that such loss or damage is recovered  under an insurance  policy or
     policies  and to the extent  such  policy or  policies  contain  provisions
     permitting such waiver of claims. Each party agrees to request its insurers
     to issue policies  containing  such  provisions and if any extra premium is
     payable  therefor,  the party which would benefit from the provision  shall
     have the  option to pay such  additional  premium  in order to obtain  such
     benefit.

          21.  Rent Tax.  If,  during the term of this  Lease or any  renewal or
     extension  thereof.  any tax is imposed  upon the  privilege  of renting or
     occupying  the  Demised  Premises  or upon the amount of rentals  collected
     therefor.  Tenant will pay each month,  as Additional  Rent. a sum equal to
     such tax or charge that is imposed for such month. but nothing herein shall
     be taken to  require  Tenant  to pay any  income.  estate,  inheritance  or
     franchise tax imposed upon Landlord.

          22. Prior  Agreements,  Amendments.  This Lease constitutes the entire
     agreement  between the parties  relating  to the subject  matter  contained
     herein.  Neither  party  hereto has made any  representations  or  promises
     except as contained herein.  This Lease supersedes all prior  negotiations.
     agreements,  informational brochures,  letters, promotional information and
     other statements and materials made or furnished by Landlord or its agents.
     No  agreement  hereinafter  made  shall be  effective  to  change.  modify,
     discharge  or effect an  abandonment  of this  Lease,  in whole or in part,
     unless such  agreement  is in writing and signed by the party  against whom
     enforcement of the change,  modification,  discharge is sought. No agent or
     employee of Landlord  has  authority to make or offer any  modification  or
     amendment hereof except as provided herein.

          23.  Captions.  The  captions  of the  paragraphs  in this  Lease are
     inserted and included solely for convenience and shall not be considered or
     given any effect in construing the provisions hereof

          24.  Mechanic's  Liens.  Tenant  shall,  within twenty (20) days after
     notice from  Landlord,  discharge or bond against any  mechanic's  lien for
     material or labor or other 'reason for which  mechanic's liens may be filed
     claimed to have been furnished to the Demised  Premises on Tenant's  behalf
     (except for work  contracted for by Landlord) and shall  indemnify,  defend
     and hold harmless Landlord from any loss incurred in connection  therewith.
     If Tenant  fails to do so.  Landlord  may  secure  such  discharge  or bond
     without liability to Tenant and all amounts paid and costs incurred therein
     by Landlord shall be payable by Tenant to Landlord as Additional  Rent with
     the next due installment of Minimum Rent.

          25.  Landlord's  Right  to  Cure.  Landlord  may  (but  shall  not  be
     obligated),  on five (5) days' notice to Tenant (except that no notice need
     be given in case of emergency) cure on behalf of, and without liability to,
     Tenant  any  default  hereunder  by  Tenant.  and the  cost  of  such  cure
     (including any attorney's  fees incurred)  shall be deemed  Additional Rent
     payable upon demand.

          26. Public Liability  Insurance.  Tenant shall at all times during the
     period  in which  it has any  occupancy  rights  in the  Demised  Premises,
     maintain in full force and effect comprehensive public liability insurance.
     naming  Landlord and its Building  management  firm.  if any. as additional
     insureds,  covering  injury  to  persons  in  amounts  at  least  equal  to
     $1.000,000 for bodily injury or death to any one person, $1.000,000 for any
     one occurrence. and $500.000 for property damage. occurring in or about the
     Demised Premises.  Tenant shall deliver to Landlord duplicate  originals or
     certificates  ' of such insurance at or prior to the date Tenant shall make
     any entry into the  Demised  Premises.  together  with  evidence of paid up
     premiums.  and shall deliver to Landlord  renewals  thereof at least thirty
     (30) days prior to expiration. All such policies of insurance shall provide
     that they shall not be  canceled  or amended  without at least  twenty (20)
     days' prior notice to Landlord.

          27.  Estoppel  Statement.  Tenant shall from time to time.  within ten
     (10) days after request by, Landlord.  execute.  acknowledge and deliver to
     Landlord a statement.  which may be relied upon by Landlord or any proposed
     mortgagee or ground lessor, certifying that this Lease is unmodified and in
     full  force  and  effect  (or that  same is in full  force  and  effect  as
     modified, listing the instruments of modification). the dates to which rent
     and other  charges  have been  paid,  and  whether  or not,  to the best of
     Tenant's knowledge,  Landlord is in default hereunder or whether Tenant has
     any claims or demands  against  Landlord  (and.  if so. the default.  claim
     and/or demand shall be specified).

          28. Quiet Enjoyment.  Tenant. upon payment of all rent and performance
     of all  obligations  imposed under this Lease,  shall have the peaceful and
     quiet enjoyment of the Demised Premises without hindrance or disturbance by
     Landlord  or  those  claiming  by,  through,  or under  Landlord,  subject,
     however,  to the terms of the Lease and to any  mortgagee or lease which is
     superior to this Lease.

          29. Brokers. Tenant represents and warrants that it has not dealt with
     any broker or agent in the  negotiation  for or the obtaining of this Lease
     and that there are no claims for  commissions or finders fees in connection
     herewith and agrees to indemnify  and hold  Landlord  harmless from any and
     all cost or  liability  for  compensation  claimed  by an  broker  or agent
     employed by Tenant or claiming to have been engaged by Tenant in connection
     with this Lease.

          30. Certain Meanings, Limitation of Liability-,,.

          A. Tenant.  The word "Tenant" as used in this Lease shall be construed
     to mean  tenants in all cases where there is more than one tenant,  and the
     necessary  grammatical changes required to make the provisions hereof apply
     to corporations,  partnerships or individuals.  men or women,  shall in all
     cases be  assumed as though in each case fully  expressed.  Each  provision
     hereof shall extend to and shall,  as the case may require.  bind and inure
     to the benefit of Tenant and its successors and assigns, provided that this
     Lease shall not inure to the benefit of any assignee of Tenant  except upon
     the express written consent of Landlord as herein provided.

          B.  Landlord.  Mortgagee-.  The term  "Landlord" as used in this Lease
     means the fee owner of the Building or. if different. the party holding and
     exercising  the right.  as against all others  (except space tenants of the
     Building)  to  possession  of the  entire  Building.  Landlord  above-named
     represents that it is the fee owner as of the date hereof.  In the event of
     the  voluntary  or  involuntary  transfer of such  ownership  or right to a
     successor-in-interest of Landlord,  Landlord shall be freed and relieved of
     all liability and obligation  hereunder which shall  thereafter  accrue and
     Tenant shall look solely to such  successor-in-interest for the performance
     of the  covenants and  obligations  of the Landlord  hereunder  which shall
     thereafter     accrue.     The    liability    of    Landlord    and    its
     successors-in-interest,  under  or with  respect  to this  Lease,  shall be
     strictly  limited to and  enforceable  only out of its or their interest in
     the  Buildings.  and shall not be enforceable  out of any other assets.  No
     mortgagee or around  lessor which shall succeed to the interest of Landlord
     hereunder  (either in terms of ownership or possessor rights) shall: (i) be
     liable  for any  previous  act or  omission  of a prior  landlord;  (ii) be
     subject to any rental offsets or defenses  against a prior  landlord- (iii)
     be bound by any  amendment of this Lease made without its written  consent.
     or by payment  by Tenant of rent in  advance  in excess of one (1)  month's
     rent;  (iv) be liable for any security not actually  received by it: or (v)
     be liable for an initial construction of the Improvements to be made to the
     Demised  Premises.  Subject to the  fore-foregoing,.  the provisions hereof
     shall be  binding  upon and  inure to the  benefit  of the  successors  and
     assigns of Landlord.

          Miscellaneous.

          A. Nonwaiver. The failure of either party to insist in any one or more
     instances upon the strict performance of any one or more of the agreements.
     terms,  covenants,  conditions or obligations of this Lease. or to exercise
     any right. remedy or election herein contained. shall not be construed as a
     wavier or relinquishment in the future of such performance or exercise. but
     the same shall continue and remain in full force and effect with respect to
     any subsequent breach. act or omission.

          B. Partial  Payment.  No payment by Tenant or receipt by Landlord of a
     lesser  amount  than  the  correct  Minimum  Rent or  Additional  Rent  due
     hereunder shall be deemed to be other than a payment on account,  nor shall
     any  endorsement or statement on any check or any letter  accompanying  any
     check  or  payment  be  deemed  to  effect  or   evidence   an  accord  and
     satisfaction.  and Landlord may accept and negotiate .3uch check or payment
     without  prejudice to Landlord's right to recover the balance or pursue any
     other remedy in this Lease or at law provided.  No term or condition to the
     contrary set forth on such check or payment  shall be effective or valid to
     any extent.

          C.  Requested   Modifications.   If.  in  connection  with  obtaining,
     continuing  or  renewing  financing  for which the  Building or the Demised
     Premises or any interest therein represents collateral in whole or in part.
     a banking.  insurance  other lender (even if the lender is Landlord)  shall
     require  modifications  of this  Lease as a  condition  of such  financing.
     Tenant hereby  expressly  agrees to consent to any such required changes or
     modifications  to this  Lease.  except  such as would  alter the  amount of
     Minimum Rent or the term hereof or  substantially  impair  Tenant's use and
     enjoyment of the Demised Premises for the uses permitted herein.

          D. Partial Invalidity.  If any of the provisions of this Lease, or the
     application  thereof to any person or circumstances.  shall. to any extent.
     be  invalid  or  unenforceable,   the  remainder  of  this  Lease.  or  the
     application  of such  provision or provisions  to persons or  circumstances
     other than those as to whom or which it is held  invalid or  unenforceable.
     shall not be affected  thereby,  and every provision of this Lease shall be
     valid and enforceable to the fullest extent permitted by law.

          E. Common Facilities.  Tenant and its agents.  employees and invitees,
     shall have the right to use, in  common-non  with all others  granted  such
     rights by Landlord,  in a proper and lawful manner, the common walkways and
     sidewalks  on the Land,  the common  entranceways,  elevators  and  lobbies
     furnshing, access to the Demised Premises, and the common lobbies. hallways
     and toilet  rooms on the floors on which the Demised  Premises are located.
     Such  use  shah  be  subject  to such  reasonable  rules,  regulations  and
     requirements  as  Landlord  may from time to time  prescribe  with  respect
     thereto.

          F.  Governing.  Law-.  This Lease shall be governed in all respects by
     the laws of the State of South Carolina.

          32. Parking  Landlord shall provide and maintain  parking,-,  areas in
     -good  condition  in common with other  tenants in the  Building.  Landlord
     reserves the right to control the method.  manner and time of park-in-.  to
     designate or assign  specific spaces to Tenant and to designate areas where
     tenants employees working regularly in the Building must park. Tenant shall
     require its employees to abide by any such rules.

          33.   Effectiveness  of  Lease.  The  submission  of  this  Lease  for
     examination does not constitute a reservation or offer of nor an option for
     the Demised  Premises or any other space within the Building and shall vest
     no right in either  party.  This  Lease  shall not be  binding  nor  become
     effective to any degree unless and until it is fully executed and delivered
     by both parties.

          34. Rent A Separate Covenant. Tenant shall not for any reason withhold
     or reduce Tenant's  required payments of rentals and other charges provided
     in this Lease, it being agreed that the  obligations of Landlord  hereunder
     are independent of Tenant's obligations.

          35. Joint And Several Liability. If two

          A. or more individual  corporations,  partnerships,  or other business
     associations  (or any  combination  of two or more thereof) shall sign this
     Lease as  Tenant,  the  liability  of each  such  individual,  corporation.
     partnership or other business association to pay rent and perform all other
     obligations  hereunder  shall be deemed to be joint  and  several.  In like
     manner,  if the Tenant named in this Lease shall be a partnership  or other
     business  association,  the  members of which are,  by virtue of statute or
     -general  law,  subject to personal  liability,  the liability of each such
     member shall be joint and several.

          36.  Corporate  Tenancy.  If Lessee is a corporation.  the undersigned
     officer of Lessee hereby  warrants and certifies to Lessor that Lessee is a
     corporation  in good standing and is authorized to do business in the State
     of South  Carolina.  The  undersigned  officer  of  Lessee  hereby  further
     wan-ants  and  certifies  to  Lessor  that  he or she as  such  office,  is
     authorized and empowered to bind the corporation to the terms of this Lease
     by his or her signature thereto.

          37. Force Majeure.  Whenever a period of time is herein prescribed for
     action to be taken by Landlord. Landlord shall not be liable or responsible
     for. and there shah be excluded from the  computation of any such period of
     time. any delays due to strikes.  riots, acts of God. shortages of labor or
     materials,  theft.  fire.  public enemy,  injunction.  insurrection,  court
     order.   requisition  of  other   governmental  body  or  authority.   war,
     governmental  laws,  regulations or restrictions or any other causes of any
     kind whatsoever are beyond the control of Landlord.

          IN WITNESS  WHEREOF.  the parties  hereto have caused this Lease to be
     executed by their duly  authorized  representatives  the day and year first
     above written.

                                                          TENANT:
                                                           ENVIROMETRICS, INC
                                                           By:
                                                       Its:

LANDLORD:
LPC of S.C.. Inc.
By:
Its:
WITNESS:



                              SCHEDULE OF EXHIBITS

EXHIBIT                    CONTENTS

A                          FLOOR PLAN

A-1                        LANDLORD'S WORK

B                          RENT SCHEDULE

c                          CONFIRMATION OF LEASE TERM

D                          BUILDING AND REGULATIONS

E                          JANITORIAL SPECIFICATIONS



                                                WORK LETTER


     1. Prior to the  Commencement  Date,  Landlord  shall, at its sole cost and
expense, do the work (herein called the "Work") necessary to furnish and install
within the Premises in accordance with the Working,  Drawings (defined below) to
be prepared  by the  Landlord  and  approved  in  writing,  by the  Tenant,  the
following  Building  Standard Tenant  Improvements  and Allowances  (hereinafter
referred  to as  "Build  Standard")  and  any  Tenant's  Non-Standard  Work  are
collectively referred to herein as the "Leasehold Improvements":

         A.       BUILDING STANDARD TENANT IMPROVEMENTS

     1. CEILINGS Lay-in  acoustical tile ceiling system (24" x 24" tile material
suspension system with cross "Ts") in pattern indicated on ceiling plan as it is
developed.

     2. HEATING,  VENTILATION, AND AIR CONDITIONING Heating, ventilating and air
conditioning  (HVAC)  system on each floor.  HVAC system  consists of  packaged,
roof-mounted, cooling only, variable air volume air conditioning units (one unit
for each floor);  primary  duct system from roof  mounted  units to variable air
volume  (VAV),  or  fan-powered  variable  air volume  (FPVAV)  terminal  units:
secondary duct system from each VAV or FPVAV  terminal unit to air  distribution
devices (diffusers,  registers and grilles). Landlord's HVAC system will provide
conditioned air in quantities  necessary to support typical office use occupancy
(one person per 150 square feet two watts per square foot lighting, one watt per
square foot miscellaneous sensible heat load for office equipment).

     3. TOILET ROOMS Centrally located toilet rooms on each floor, including all
plumbing  fixtures,  toilet  accessories,   lighting,  wall,  floor  an  ceiling
finishes.

     4. ELECTRICAL,  TELEPHONE,  AND JANITOR CLOSETS Electrical,  telephone, and
janitor closets will be provided on each floor.

     5. TENANT FINISH See attached Contractor's Work Letter.



OFFICE: (803)566-0656                                       FAX-. (803)566-1210
                                       CONTRACT PROPOSAL

JANUARY 4,1996

LIBERTY        PROPERTIES
ATTN.:         BOB CALDWELL

     Premises below described:  Carolina  Services,  Inc. (here inafter known as
Contractor),  hereby  proposed to perform  the  following  work,  and to furnish
necessary  material,  labor and workmanship to install,  construct and place the
improvement  according to do following  specification terms and condition on the
premises below described.

JOB.  FABER PLACE, 4055 FABER PLACE DR. 2ND FLR -TRICO

Contractor submits the specification and estimates for the following:

     CONSTRUCT  WALLS AS PER PLANS IN Rm.  104 AND 109.  WALLS TO BE 3 5/8 Metal
Studs  WITH1/2'  DRYWALL  BOTH SIDES BUILT FLOOR TO WIDER SIDE OF CEILING  GRID,
FURNISH AND INSTALL  FOUR HOLLOW  METAL DOORS FRAMES AND SOLID CORE BIRCH VENEER
DOOR WITH HARDWARE AND FINISH TO MATCH  EXISTING.  RM. 104 AND  109.FURNISH  AND
INSTALL TWO WOOD FRAME FIXE GLASS WINDOWS IN ROOM 109. PAINT WALL TWO COATS FLAT
LATEX COLOR TO BE SELECTED  WINDOW AND DOOR FRAMES TWO COATS SEMI GLOSS COLOR TO
BE SELECTED DOORS T\STAINED TO MATCH EXISTING AND REMOVE.  AND REPLACE CARPET IN
RM. 10 1,  102,103,104,105,107AM 109. REMOVE AND REPLACE ALL COVE BASE. RELOCATE
AND/OR ADD FOUR SPRINKLER  HEADS,  ELECTRICAL  -RELOCATE TWO 2/4 LIGHTS ADD FOUR
2.4 LIGHTS TOMATCH EXISTING ADD FOUR SWITCHES ADD FIVE OUTLETS

                                                     TOTAL $14.599.00



                                   EXHIBIT ""

                                  RENT SCHEDULE

     Minimum  Rent  during the Lease Term and each  renewal  period  shall be as
follows for approximately 9,094 square feet of space:

                                   Suite 201
                                   6,243 SF
Effective Dates            Rate       Annual        Monthly
02/01/96 - 01/31/97       $14.00    $87,402.00     $7,283.50
02/01/97 - 01/31/98       $15.50    $96,766.50     $8,063-88
02/01/98 - 01/31/99       $16.12   $100,637.16     $8,386.43



                                   Suite 210
                                   2,851 SF
Effective Dates        Rate          Annual        Monthly
02/01/96 - 01/31/97   $16.00       $45,616.00     $3,801.33
02/01/97 - 01/31/98   $16.64       $47,440.64     $3,953.39
02/01/98 - 01/31/99   $17.31       $49,350.81     $4,112.57

                        Combined Suites 201 &
                               9,094 SF
Effective Dates        Rate          Annual        Monthly
 02/01/96 -           $14.63      $133,018.00    $11,084.83
 01/31/97
 02/01/97 -           $15.86      $144,207.14    $12,017.26
 01/31/98
 02/01/98 -           $16.49      $149,987.97    $12,499.00
 01/31/99



                                    EXHIBIT C

                           CONFIRMATION OF LEASE TERM


     AGREEMENT  made this 17 day of January,  1996,  by and between LPC of S.C.,
Inc.,  (hereinafter  referred to as "Landlord")  and Trico  Envirometrics,  Inc.
(hereinafter referred to as "Tenant").

                                   WITNESSETH:

     WHEREAS, under a lease dated the day of January, 1996, between Landlord and
Tenant (the  "Lease"),  Tenant  leased from Landlord  certain  space  containing
approximately  9,094 square feet on the 2nd floor in Landlords  building at 4055
Faber  Place  Drive,  North  Charleston,  South  Carolina,  upon the  terms  and
conditions set forth in the Lease; and

     WHEREAS,  the Lease  provides that the parties shall execute a confirmation
of  certain  information  when  the  commencement  date  of the  term  has  beer
determined;

     NOW,  THEREFORE the parties hereto confirm that the Rent  Commencement Date
is Feb 1, 1996 and the Term  Commencement  Date is Feb 1,  1996 the  Lease  Term
shall  continue  until  midnight on the 31 day 1999 unless sooner  terminated as
provided in the Lease.

     Tenant  acknowledges  that  it is in  possession  of the  Demised  Premises
pursuant  to the Lease  that rent the  amount  specified  in the Lease has begun
accruing,  in accordance  with the terms of the Lease;  that said  premises,  as
completed,  have been accepted by Tenant as being- in accordance  with the terms
of the Lease except as follows:

     Landlord and Tenant both acknowledge that as of the date hereof,  the Lease
is in full force by the other under the Lease except as follows:

     This Memorandum is hereby  incorporated into and made part of the Lease. IN
WITNESS  WHEREOF,  the  parties  hereto  have  caused  this  document to be duly
executed the day and year first above written.  LANDLORD:  TENANT:  LPC of S.C.,
Inc. Envirometrics. Inc.


                         BUILDING RULES AND REGULATIONS

     1. The sidewalks,  entryways,  passages, corridors, stairways and elevators
shall not be obstructed  by any of the tenants,  their  employees or agents.  or
used by them for  purposes  other  than  ingress  or  egress  to and from  their
respective suites.

     All safes or other  heavy  articles  shall be carried up or into the leased
premises  only,  at such times and in such  manner  shall be  prescribed  by the
Landlord.  and the  Landlord  shall in all  cases  have the  right to  specify a
maximum  weight and proper  position or location of any such safe or other heavy
article.  Any damage done to the Building by taking in or removing,  any safe or
from  overloading any floor in any way shall be paid by the Tenant.  The cost of
repairing  or  restoring  any part of the  Building  which  shall be  defaced or
injured by a tenant, its agents, invitees or employees, shall be paid for by the
tenant.

     2.   Landlord   shall   have  the  right  to   approve   all   contractors'
representatives and installation  technicians  rendering any contract service on
or to the leased  premises for the tenant  before  performance.  This  provision
shall apply to all work  performed in the Building,  including  installation  of
telephones,  telegraph  equipment  computer  equipment,  electrical  devices and
attachments and installations of any nature affecting,  floors, walls, woodwork,
windows, ceilings, equipment or any other physical portion of the Building.

     3.  Landlord  shall  furnish a  reasonable  number of door keys to Tenant's
Demised Premises and/or  Building,  which shall be surrendered on termination of
the Lease.  Landlord reserves the right-ht to require a deposit for such keys to
insure their return at the termination of the Lease.  Tenant shall -et keys only
from  Landlord  and shall not obtain  duplicate  keys from any  outside  source.
Further.  Tenant  shall not alter the locks or effect any  substitution  of such
locks as are presently being- used in Tenant's Demised Premises or the Building.
No additional  locks shall be placed upon any doors without the written  consent
of the Landlord. All keys shall be surrendered upon the termination of a lease.

     4. No  windows  or other  openings  that  reflect  or admit  light into the
corridors  or  passageways,  or to any  other  place in the  Building,  shall be
covered or obstructed BV any of the tenants.

     5. The water  closets  and other water  fixtures  shall not be used for any
purpose  other  than  those for  which  they were  constructed,  and any  damage
resulting  to them from misuse or abuse by a tenant or its agents,  employees or
invitees, shall be borne by the tenant.

     6. No person shall disturb the occupants of the Building, by the use of any
musical  instruments,  the making or  transmittal  of noises  which are  audible
outside the leased premises,  or any unreasonable  use. No dogs or other animals
or pets of any kind will be allowed in the Building.

     7. No bicycles or similar vehicles will be allowed in the Building.

     8.  Nothing  shall be thrown out the  windows of the  Building  or down the
stairways or other passages.

     9. Tenant  shall not be  permitted  to use or to keep in the  Building  any
kerosene.  camphene,  burning, fluid or other illuminating- materials, or to bum
any article or material (except ordinary smoking tobacco products).

     10. If any  tenant  desires  telegraphic.  telephonic  or other  electrical
connections, Landlord or its agents will direct the electricians as to where and
how the  wires may be  introduced,  and  without  such  directions  no boring or
cutting for wires will be permitted. 26

     11. No portion  of the  Building  shall be used for the  purpose of lodging
rooms or for any immoral or unlawful purposes.

     12. The delivery of supplies to tenants in the  Building  will be permitted
only in a manner and at times approved by the Lessor.

     13. All entrance  doors  leading from the hallways are to be kept closed at
all times.

     14.  Landlord  reserves  the  right  at  all  times  to  exclude  newsboys,
loiterers.  vendors,  solicitors,  and peddlers from the Building and to require
registration  or  satisfactory  identification  or credentials  from all persons
seeking access to any part of the Building-  outside  ordinary  business  hours.
Landlord  will  exercise its best  judgment in the execution of such control but
not be liable for the granting or refusal of such access.

     15. Landlord  reserves the right at all times to exclude the general public
from the  Building  upon  such  days and at such  hours  as in  Landlord's  sole
judgment will be in the best interest of the Building- and its tenants.

     16. No wires of any kind or type (including but not limited to TV and radio
antennas) shall be attached to the outside of the Building and no wires shall be
run or installed in any part of the Building,  without  Landlord's prior written
consent.

     17. If the Demised  Premises are  furnished  with  carpeting,  Tenant shall
provide a Plexiglas  or  comparable  carpet  protection  mat for each desk chair
customarily  used by Tenant.  For  default or  carelessness  in these  respects,
Tenant shall pay Landlord the cost of repairing- or replacing  said carpets,  in
whole or in part, as Additional  Rent when, in Landlord's  sole  judgment,  such
repair or replacement is necessary.

     18. No smoking is allowed in the  interior  common  areas of the  Building.
Smoking may be permitted in designated exterior areas on the Property.


               SPECIFICATIONS FOR CLEANING AND JANITORIAL SERVICES
DAILY:

     1. All desks and other furniture will be dusted with specially treated dust
cloths.

     2. All window sills, chair rails, baseboards.  molding, partitions, picture
frames under six feet in height will be hand dusted and wiped clean.

     3. All floors will be dust mopped with specially treated dust mops.

     4. All bright metal work will be maintained  and kept in a clean,  polished
condition.

     5. All drinking fountains will be thoroughly cleaned and sanitized.

     6. All stairways will be vacuumed or mopped as needed.

     7. Replacement of light bulbs as needed.

     8. All elevators  will be wet mopped,  once coat of finish applied to floor
and machine  buffed.  If floors are carpeted,  carpet will be vacuumed  nightly.
Interior of cabs will be wiped clean and all metal hardware polished.

     9. Empty, clean and dust all wastepaper  baskets,  ash trays,  receptacles,
etc.

     10. Remove trash and wastepaper to designated areas.

     11. Carpeting and rugs to be vacuumed nightly.

     12. All tile floors in all areas will maintain a satin  finish.  Trafficked
areas to receive  regularly  programmed  floor  maintenance to insure luster and
remove black marks and scuffs.

LAVATORIES

     1. Floors to be swept and washed, using- antiseptic liquid detergent.

     2. Bowls,  urinals and bases will be cleaned nightly. A safe antiseptic and
deodorant bowl cleaner will be used.

     3. All metal and mirrors will be cleaned and polished.

     4. Fill and maintain mechanical  operations of all tissue,  towel. soap and
sanitary napkin dispensers. Materials to be supplied from contractor's stock.

     5. Remove wastepaper and refuse.

WEEKLY:

     1.  Spot clean all interior partition -glass as required.

     2.  Remove  fingerprints.  smudges and scuff  marks from all  vertical  and
horizontal surfaces (doors, walls, sills) under six feet in height.

     3. Wash and  refinish  resilient  floors in public  areas,  strip,  wax and
polish as needed.


MONTHLY:

     1. Polish and buff (no wax) resilient floors in tenant areas as needed.

     2. Dust all  louvers,  grills  and other  than  flush  light  fixtures.

OUARTERLY:

     1. Dust clean all vertical  surfaces;  such as walls,  partitions,  doors,
etc. not reached in nightly cleaning.

EVERY FOUR MONTHS:

     Wax and buff all resilient  flooring in tenant areas, or as needed.  Floors
shall be stripped,  rewaxed and buffed when required. Unusual traffic conditions
will receive special attention.

EVERY SIX MONTHS:

     1. Dust and damp wipe all ceiling vents.

     2. Wash windows, inside and out.