Page 64
                                                            Exhibit 10(iii)A(34)


                         SEVERANCE PROTECTION AGREEMENT



         THIS AGREEMENT made as of the _____ day of ____________,  19___, by and
between    National    Service    Industries,    Inc.   (the    "Company")   and
____________________ _________________(the "Executive").

         WHEREAS, the Board of Directors of the Company (the "Board") recognizes
that the possibility of a Change in Control (as hereinafter  defined) exists and
that the  threat of or the  occurrence  of a Change  in  Control  can  result in
significant  distractions  of  its  key  management  personnel  because  of  the
uncertainties inherent in such a situation;

         WHEREAS,  the Board has determined that it is essential and in the best
interest  of the  Company  and its  stockholders  to retain the  services of the
Executive in the event of a threat or  occurrence  of a Change in Control and to
ensure his continued  dedication and efforts in such event without undue concern
for his personal financial and employment security; and

         WHEREAS,  in order to induce the  Executive  to remain in the employ of
the  Company   (including  its  subsidiary   corporations   and   partnerships),
particularly  in the event of a threat or the occurrence of a Change in Control,
the Company  desires to enter into this  Agreement with the Executive to provide
the Executive with certain benefits in the event his employment is terminated as
a result  of, or in  connection  with,  a Change in Control  and to provide  the
Executive with the Gross-Up  Payment (as hereinafter  defined) and certain other
benefits whether or not the Executive's employment is terminated.

         NOW,  THEREFORE,  in consideration of the respective  agreements of the
parties contained herein, it is agreed as follows:

         1.       Term of Agreement.

                  (a) This Agreement shall commence as of ____________ __, 19___
and shall continue in effect until the earlier of ____________  __, 19___ or the
Executive's  termination of employment  prior to a Change in Control;  provided,
however,  that commencing on ____________ __, 19___ and on each  ____________ __
thereafter,  the term of this Agreement shall  automatically be extended for one
(1) year unless  either the Company or the  Executive  shall have given  written
notice to the other at least  ninety  (90) days prior  thereto  that the term of
this Agreement shall not be so extended.

                  (b)  Notwithstanding  the  foregoing,  (1)  the  term  of this
Agreement shall not expire during a Threatened Change in Control Period or prior
to the  expiration of 24 months after the  occurrence of a Change in Control and
(2) prior to a Change in Control  and other than during a  Threatened  Change in

                                                                         Page 65
                                                            Exhibit 10(iii)A(34)


Control  Period,  the  term of this  Agreement  shall  expire  on the  date  the
Executive  ceases  to serve as  ______________,  or in  another  capacity  as an
executive officer (as defined in Rule 3b-7 under the Securities  Exchange Act of
1934,  as  amended  (the  "1934  Act") as in effect on the date  hereof)  of the
Company  unless such  cessation was at the request of a Third Party or otherwise
occurred in connection with, or in anticipation of, a Change in Control.

         2.       Definitions.

                  2.1 Cause.  For purposes of this Agreement,  a termination for
"Cause" is a  termination  evidenced  by a  resolution  adopted in good faith by
two-thirds  of the Board that the Executive (a)  intentionally  and  continually
failed to  substantially  perform  his duties  with the  Company  (other  than a
failure  resulting  from the  Executive's  incapacity  due to physical or mental
illness) which failure continued for a period of at least thirty (30) days after
a written notice of demand for substantial performance has been delivered to the
Executive   specifying   the  manner  in  which  the  Executive  has  failed  to
substantially  perform,  or  (b)  intentionally  engaged  in  conduct  which  is
demonstrably and materially  injurious to the Company,  monetarily or otherwise;
provided, however that no termination of the Executive's employment shall be for
Cause as set forth in clause (b) above until (x) there shall have been delivered
to the Executive a copy of a written notice setting forth that the Executive was
guilty of the conduct  set forth in clause (b) and  specifying  the  particulars
thereof in detail, and (y) the Executive shall have been provided an opportunity
to be heard by the Board (with the assistance of the Executive's  counsel if the
Executive so  desires).  No act,  nor failure to act, on the  Executive's  part,
shall be considered "intentional" unless he has acted, or failed to act, with an
absence of good faith and without a reasonable belief that his action or failure
to act  was in the  best  interest  of  the  Company.  Notwithstanding  anything
contained  in this  Agreement  to the  contrary,  no  failure  to perform by the
Executive  after a  Notice  of  Termination  is  given  by the  Executive  shall
constitute Cause for purposes of this Agreement.

                  2.2 Change in  Control.  For  purposes  of this  Agreement,  a
"Change in Control" shall mean any of the following events:

     (a) The  acquisition  (other than from the Company) by any "Person" (as the
term person is used for purposes of Sections  13(d) or 14(d) of the 1934 Act) of
beneficial  ownership  (within the meaning of Rule 13d-3  promulgated  under the
1934 Act) of twenty  percent  (20%) or more of the combined  voting power of the
Company's then outstanding voting securities; or

     (b) The individuals  who, as of ____________  __, 19___, are members of the
Board  (the  "Incumbent  Board"),  cease for any reason to  constitute  at least
two-thirds of the Board; provided,  however, that if the election, or nomination
for election by the Company's stockholders,  of any new director was approved by

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                                                            Exhibit 10(iii)A(34)


a vote of at least two-thirds of the Incumbent  Board,  such new director shall,
for  purposes of this  Agreement,  be  considered  as a member of the  Incumbent
Board; or

     (c)  Approval  by   stockholders   of  the  Company  of  (1)  a  merger  or
consolidation  involving  the  Company  if  the  stockholders  of  the  Company,
immediately  before  such  merger or  consolidation  do not, as a result of such
merger or consolidation,  own, directly or indirectly, more than seventy percent
(70%) of the combined voting power of the then outstanding  voting securities of
the corporation resulting from such merger or consolidation in substantially the
same  proportion as their  ownership of the combined  voting power of the voting
securities  of  the  Company  outstanding  immediately  before  such  merger  or
consolidation, or (2) a complete liquidation or dissolution of the Company or an
agreement for the sale or other  disposition of all or substantially  all of the
assets of the Company.

Notwithstanding the foregoing,  a Change in Control shall not be deemed to occur
pursuant to Section  2.2(a),  solely because twenty percent (20%) or more of the
combined voting power of the Company's then  outstanding  securities is acquired
by (i) a  trustee  or  other  fiduciary  holding  securities  under  one or more
employee  benefit plans  maintained by the Company or any of its subsidiaries or
(ii) any corporation  which,  immediately  prior to such  acquisition,  is owned
directly or indirectly by the stockholders of the Company in the same proportion
as their ownership of stock in the Company immediately prior to such acquisition
(hereinafter referred to as "Related Persons").

     (d)  Notwithstanding  anything contained in this Agreement to the contrary,
if the Executive's employment is terminated prior to a Change in Control and the
Executive  reasonably  demonstrates that such termination (1) was at the request
of a  Third  Party  (as  hereinafter  defined)  or  (2)  otherwise  occurred  in
connection with, or in anticipation of, a Change in Control (including,  without
limitation, during a Threatened Change in Control Period), then for all purposes
of this  Agreement,  the  date of a  Change  in  Control  shall  mean  the  date
immediately prior to the date of such termination of the Executive's employment.

                  2.3 Company.  Each place in the Agreement where a reference to
the "Company" appears that relates to the Executive's employment, termination of
employment or performing  services,  including  the  definitions  of "Cause" and
"Good  Reason",  shall mean and  include  the  Subsidiary  which is the  primary
employer of the Executive.  Further, in each place where the Agreement refers to
a benefit plan or program, payment of compensation,  compensation arrangement or
other similar plan or program  maintained by the Company,  such reference  shall
include  any plan,  program or  arrangement  maintained  or  established  by the
Subsidiary.  Notwithstanding the foregoing, the references in the definitions of
"Change  in  Control,"   "Threatened  Change  in  Control  Period"  and  similar
references  to changes in  ownership  and control of the Company  shall mean and
refer to National Service Industries, Inc., a Delaware corporation.

                                                                         Page 67
                                                            Exhibit 10(iii)A(34)


                  2.4 Disability.  For purposes of this Agreement,  "Disability"
shall mean a physical or mental infirmity which impairs the Executive's  ability
to  substantially  perform his duties under this  Agreement  for a period of one
hundred eighty (180) consecutive days.

                  2.5 (a) Good  Reason.  For purposes of this  Agreement,  "Good
Reason" shall mean the occurrence after a Change in Control of any of the events
or conditions described in Subsections (1) through (9) hereof:

     (1) a change in the Executive's status, title, position or responsibilities
(including  reporting  responsibilities)  which, in the  Executive's  reasonable
judgment,  represents  an adverse  change  from his status,  title,  position or
responsibilities  as in effect immediately prior thereto;  the assignment to the
Executive of any duties or responsibilities which, in the Executive's reasonable
judgment, are inconsistent with his status, title, position or responsibilities;
or any removal of the  Executive  from or failure to reappoint or reelect him to
any of such offices or positions,  except in connection  with the termination of
his  employment  for  Disability,  Cause,  as a  result  of his  death or by the
Executive other than for Good Reason;

     (2) a reduction  in the  Executive's  base salary or any failure to pay the
Executive any  compensation or benefits to which he is entitled within five days
of the date due;

     (3) a failure to increase the Executive's  base salary at least annually at
a percentage of base salary no less than the average percentage increases (other
than  increases  resulting  from  the  Executive's  promotion)  granted  to  the
Executive  during the three full years  ended  prior to a Change in Control  (or
such lesser number of full years during which the Executive was employed);

     (4) the Company's  requiring the Executive to be based at any place outside
a 30-mile radius from Atlanta, Georgia, except for reasonably required travel on
the Company's business which is not greater than such travel  requirements prior
to the Change in Control;

     (5) the failure by the Company to (A) continue in effect (without reduction
in benefit level,  and/or reward  opportunities)  any  compensation  or employee
benefit plan in which the Executive was  participating  immediately prior to the
Change in  Control,  including,  but not  limited  to,  the plans  listed on the
Appendix,  unless a substitute or replacement  plan has been  implemented  which
provides  substantially  identical  compensation or benefits to the Executive or
(B) provide the Executive with compensation and benefits,  in the aggregate,  at
least equal (in terms of benefit  levels and/or reward  opportunities)  to those
provided for under each other compensation or employee benefit plan, program and

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                                                            Exhibit 10(iii)A(34)


practice  as in effect  immediately  prior to the  Change in  Control  (or as in
effect following the change in Control, if greater);

     (6) the insolvency or the filing (by any party, including the Company) of a
petition for bankruptcy of the Company;

     (7) any material breach by the Company of any provision of this Agreement;

     (8) any purported  termination of the  Executive's  employment for Cause by
the Company which does not comply with the terms of Section 2.1; or

     (9) the failure of the Company to obtain an agreement,  satisfactory to the
Executive,  from any  successor  or assign of the Company to assume and agree to
perform this Agreement, as contemplated in Section 9 hereof.

     (b) Any event or  condition  described  in Section  2.5(a) (1)  through (9)
which  occurs  prior to a Change in Control but which the  Executive  reasonably
demonstrates  (1) was at the  request  of a third  party  who has  indicated  an
intention or taken steps reasonably  calculated to effect a Change in Control (a
"Third Party"),  or (2) otherwise arose in connection with or in anticipation of
a Change in Control, shall constitute Good Reason for purposes of this Agreement
notwithstanding that it occurred prior to the Change in Control.

     (c) The  Executive's  right to terminate  his  employment  pursuant to this
Section 2.4 shall not be affected  by his  incapacity  due to physical or mental
illness.

                  2.6  Threatened  Change  in  Control.  For  purposes  of  this
Agreement,  a Threatened  Change in Control shall mean the  occurrence of any of
the following events:

     (a)  when  the  Company  is aware of or is  contemplating,  a  proposal  (a
"Proposal")  for any  Person  other than a Related  Person  (1) to acquire  five
percent  (5%)  or  more  of  the  voting  power  of  the  Company's  outstanding
securities, or (2) to merge or consolidate with another entity, transfer or sell
assets of the  Company,  or  liquidate  or dissolve  the  Company,  in each case
described in this clause (2) in a transaction  that would constitute a Change in
Control; or

     (b) any Person other than a Related Person,

     (1) acquires five percent (5%) or more of the voting power of the Company's
outstanding  securities,  other than as a holder whose investment in the Company

                                                                         Page 69
                                                            Exhibit 10(iii)A(34)


is  eligible  to be  reported  on  Schedule  13G  pursuant to Rule 13d-l (b) (1)
promulgated under the Exchange Act, or

     (2)  initiates  a tender  or  exchange  offer to  acquire  such  number  of
securities as would result in such Person  holding  twenty percent (20%) or more
of the voting power of the Company's outstanding securities, or

     (3) solicits proxies for votes to elect members of the Board at a
shareholders' meeting of the Company.

                  2.7 Threatened Change in Control Period.  For purposes of this
Agreement,  a  Threatened  Change  in  Control  Period  shall  mean  the  period
commencing  on the date that a  Threatened  Change in Control has  occurred  and
ending upon:

     (a) the date the Proposal  referred to in Section 2.6(a) is abandoned;

     (b)  the  acquisition  of five  percent  (5%) of the  voting  power  of the
Company's outstanding securities by the Person referred to in Section 2.6(a) (1)
if such  acquisition  does not  constitute a Threatened  Change in Control under
Section 2.6 (b) (1);

     (c) the date when any Person  described  in Section  2.6(b),  (1) shall own
less than five  percent (5%) of the voting  power of the  Company's  outstanding
securities,  (2) shall have abandoned the tender or exchange offer, or (3) shall
not have elected a member of the Board as the case may be; or

     (d) the date a Change in Control occurs.

         3.       Termination of Employment.

                  3.1 If,  during the term of this  Agreement,  the  Executive's
employment  with the Company  shall be terminated  within 24 months  following a
Change in Control, the Executive shall be entitled to the following compensation
and benefits (in addition to any  compensation  and benefits  provided for under
any of the Company's employee benefit plans, policies and practices):

     (a) If the Executive's  employment with the Company shall be terminated (1)
by the Company for Cause or Disability,  (2) by reason of the Executive's death,
or (3) by the  Executive  other than for Good Reason or during the Window Period
(as each term is hereinafter  defined),  the Company shall pay the Executive all
amounts earned or accrued  through the  Termination  Date but not paid as of the
Termination Date,  including (i) base salary,  (ii) reimbursement for reasonable
and necessary expenses incurred by the Executive on behalf of the Company during

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                                                            Exhibit 10(iii)A(34)


the period ending on the  Termination  Date,  (iii)  vacation pay, and (iv) sick
leave (collectively,  "Accrued Compensation").  In addition to the foregoing, if
the  Executive's  employment is  terminated by the Company for  Disability or by
reason of the Executive's  death,  the Company shall pay to the Executive or his
beneficiaries an amount equal to the "Pro Rata Bonus" (as hereinafter  defined).
The "Pro Rata  Bonus" is an amount  equal to the Bonus  Amount  (as  hereinafter
defined)  multiplied  by a fraction the numerator of which is the number of days
in such fiscal year through the Termination Date and the denominator of which is
365.  The term  "Bonus  Amount"  shall mean the  greater of the (x) most  recent
annual bonus paid or payable to the Executive,  or, if greater, the annual bonus
paid or payable  for the full  fiscal year ended prior to the fiscal year during
which a Change in Control  occurred or (y) average of the annual bonuses paid or
payable during the three full fiscal years ended prior to the  Termination  Date
or, if greater, the three full fiscal years ended prior to the Change in Control
(or, in each case,  such lesser  period for which  annual  bonuses  were paid or
payable to the Executive).  Executive's entitlement to any other compensation or
benefits shall be determined in accordance with the Company's  employee  benefit
plans and other applicable programs and practices then in effect.

     (b) If the  Executive's  employment  with the Company  shall be  terminated
(other  than by reason of  death),  (1) by the  Company  other than for Cause or
Disability,  (2) by the Executive  for Good Reason,  or (3) by the Executive for
any reason within the 60-day period  commencing on the first  anniversary of the
date of the  occurrence  of a Change  in  Control  (the  "Window  Period"),  the
Executive shall be entitled to the following:

     (1) the Company  shall pay the  Executive  all Accrued  Compensation  and a
Pro-Rata Bonus;

     (2) the Company shall pay the Executive as severance pay and in lieu of any
further compensation for periods subsequent to the Termination Date, in a single
payment an amount (the "Severance Amount") in cash equal to two times the sum of
(A) the greater of the Executive's base salary in effect on the Termination Date
or at any time during the 90-day  period  prior to the Change in Control  ("Base
Salary")  and  (B) the  Bonus  Amount.  Notwithstanding  the  foregoing,  if the
Executive  has attained at least age 63 on the  Termination  Date the  Severance
Amount to be paid under this Subsection (2) shall be the amount described in the
preceding  sentence  multiplied  by a fraction  (which in no event shall be less
than  one-half)  the  numerator of which shall be the number of months (for this
purpose any partial month shall be considered as a whole month)  remaining until
the  Executive's  65th  birthday (but in no event shall be less than 12) and the
denominator of which shall be 24;

     (3) for a number of months  equal to the lesser of (A) 24 or (B) the number
of months  remaining  until the  Executive's  65th birthday  (the  "Continuation
Period"),  the Company shall at its expense  continue on behalf of the Executive

                                                                         Page 71
                                                            Exhibit 10(iii)A(34)


and his dependents and  beneficiaries the life insurance,  disability,  medical,
dental and  hospitalization  benefits  provided (x) to the Executive at the time
Notice of  Termination  is given,  at any time during the 90-day period prior to
the  Change in  Control  or at any time  thereafter,  or (y) to other  similarly
situated  executives  who  continue  in the  employ of the  Company  during  the
Continuation Period. The coverage and benefits (including deductibles and costs)
provided in this Section 3.1(b) (3) during the  Continuation  Period shall be no
less favorable to the Executive and his dependents and  beneficiaries,  than the
most favorable of such coverages and benefits during any of the periods referred
to in clauses (x) and (y) above. The Company's obligation hereunder with respect
to the  foregoing  benefits  shall be limited to the extent  that the  Executive
obtains any such benefits pursuant to a subsequent  employer's benefit plans, in
which case the Company may reduce the coverage of any benefits it is required to
provide the Executive  hereunder as long as the aggregate coverages and benefits
of the combined  benefit plans is no less  favorable to the  Executive  than the
coverages and benefits  required to be provided  hereunder.  This Subsection (3)
shall not be  interpreted  so as to limit any benefits to which the Executive or
his  dependents  may be entitled  under any of the  Company's  employee  benefit
plans,   programs  or  practices   following  the  Executive's   termination  of
employment,  including  without  limitation,  retiree medical and life insurance
benefits;

     (4) the  Company  shall pay in a single  payment an amount in cash equal to
the excess of (A) the Supplemental Retirement Benefit (as defined below) had (w)
the Executive  remained  employed by the Company for an additional  two complete
years of credited  service  (or until his 65th  birthday  if  earlier),  (x) his
annual  compensation  during  such  period been equal to his Base Salary and the
Bonus Amount, (y) the Company and/or the Division made employer contributions to
each defined  contribution  plan in which the Executive was a participant at the
Termination Date (in an amount equal to the amount of such  contribution for the
plan year  immediately  preceding  the  Termination  Date) and (z) he been fully
(100%) vested in his benefit under each  retirement  plan in which the Executive
was a participant,  over (B) the lump sum actuarial  equivalent of the aggregate
retirement  benefit the  Executive  is actually  entitled to receive  under such
retirement  plans.  For  purposes  of this  Subsection  (4),  the  "Supplemental
Retirement  Benefit"  shall  mean  the  lump  sum  actuarial  equivalent  of the
aggregate  retirement  benefit the Executive would have been entitled to receive
under the Company's  supplemental and other retirement plans including,  but not
limited to, the NSI Pension Plan C ("Pension Plan C"); provided, however, if the
Executive  has attained at least age 50 and has been employed by the Company for
at least 15 years as of the Termination Date the calculation of the Supplemental
Retirement  Benefit  shall be made pursuant to the early  retirement  provisions
under Pension Plan C without regard to the Executive's  attained age or years of
credited service (as defined therein).  For purposes of this Subsection (4), the
"actuarial  equivalent"  shall be determined  in  accordance  with the actuarial
assumptions used for the calculation of benefits under Pension Plan C as applied

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                                                            Exhibit 10(iii)A(34)


prior to the Termination Date in accordance with such plan's past practices; and

     (5) (A) the  restrictions on any outstanding  incentive  awards  (including
restricted stock) granted to the Executive under the Long-Term Incentive Program
(the "Program") or under any other incentive plan or arrangement shall lapse and
such incentive award shall become one hundred  percent (100%) vested,  all stock
options and stock  appreciation  rights  granted to the  Executive  shall become
immediately  exercisable and shall become 100% vested, and all Performance Units
granted to the Executive  shall become 100% vested and (B) the  Executive  shall
have the right to require  the  Company  to  purchase,  for cash,  any shares of
unrestricted stock or shares purchased upon exercise of any options,  at a price
equal to the fair  market  value of such  shares on the date of  purchase by the
Company.

     (c) The amounts provided for in Sections 3.1(a) and 3.1(b)(1), (2), (4) and
(5) shall be paid within five (5) days after the Executive's Termination Date.

     (d) The  Executive  shall not be  required  to  mitigate  the amount of any
payment  provided for in this Agreement by seeking other employment or otherwise
and no such payment shall be offset or reduced by the amount of any compensation
or benefits  provided to the Executive in any  subsequent  employment  except as
provided in Section 3.1(b)(3).

                  3.3 The  severance  pay and benefits  provided for in Sections
3.1(a)  and  3.1(b)(1)  and (2) shall be in lieu of any other  severance  pay to
which the Executive may be entitled under any Company severance plan, program or
arrangement.

         4. Notice of Termination.  During a Threatened Change in Control Period
and following a Change in Control,  any purported  termination by the Company or
by the Executive  shall be  communicated by written Notice of Termination to the
other.  For purposes of this Agreement,  a "Notice of Termination"  shall mean a
notice which  indicates  the specific  termination  provision in this  Agreement
relied upon and shall set forth in reasonable detail the facts and circumstances
claimed to provide a basis for termination of the Executive's  employment  under
the provision so indicated.  For purposes of this  Agreement,  no such purported
termination shall be effective without such Notice of Termination.

         5. Termination Date.  "Termination  Date" shall mean in the case of the
Executive's death, his date of death, and in all other cases, the date specified
in the Notice of Termination subject to the following:

                  (a) If the Executive's employment is terminated by the Company
for Cause or due to Disability,  the date specified in the Notice of Termination

                                                                         Page 73
                                                            Exhibit 10(iii)A(34)


shall be at least  thirty (30) days from the date the Notice of  Termination  is
given to the  Executive,  provided that in the case of Disability  the Executive
shall not have returned to the full-time  performance  of his duties during such
period of at least 30 days; and

                  (b) If the  Executive's  employment  is  terminated  for  Good
Reason,  the date specified in the Notice of Termination  shall not be more than
sixty (60) days from the date the Notice of Termination is given to the Company.

         6.       Excise Tax Payments.

                  (a)  Notwithstanding  anything  contained in this Agreement to
the contrary and without regard to whether the  Executive's  employment with the
Company has  terminated,  in the event that any  payment or benefit  (within the
meaning of Section 28OG(b) (2) of the Internal  Revenue Code of 1986, as amended
(the "Code"),  to the  Executive or for his benefit,  whether paid or payable or
distributed  or  distributable  pursuant  to the  terms  of  this  Agreement  or
otherwise in connection with, or arising out of, his employment with the Company
or a change in ownership or effective control of the Company or of a substantial
portion  of its  assets (a  "Payment"  or  "Payments"),  would be subject to the
excise tax imposed by Section 4999 of the Code or any interest or penalties  are
incurred by the  Executive  with  respect to such  excise tax (such  excise tax,
together  with any such interest and  penalties,  are  hereinafter  collectively
referred  to as the  "Excise  Tax"),  then the  Executive  shall be  entitled to
receive an  additional  payment (a  "Gross-Up  Payment")  in an amount such that
after payment by the Executive of all taxes (including any interest or penalties
imposed  with respect to such taxes and the Excise  Tax),  including  any Excise
Tax, imposed upon the Gross-Up  Payment,  the Executive retains an amount of the
Gross-Up Payment equal to the Excise Tax imposed upon the Payments.

                  (b) An initial  determination as to whether a Gross-Up Payment
is required  pursuant to this Section 6 and the amount of such Gross-Up  Payment
shall be made by an  accounting  firm  selected by the  Company  and  reasonably
acceptable  to the  Executive  which  is  designated  one of  the  five  largest
accounting  firms in the United States (the "Accounting  Firm").  The Accounting
Firm shall  provide  its  determination  (the  "Determination"),  together  with
detailed  supporting  calculations  and  documentation  to the  Company  and the
Executive within five days of the Termination Date if applicable,  or such other
time as requested by the Company or by the  Executive  (provided  the  Executive
reasonably  believes  that any of the Payments may be subject to the Excise Tax)
and if the  Accounting  Firm  determines  that no Excise  Tax is  payable by the
Executive with respect to a Payment or Payments,  it shall furnish the Executive
with an opinion  reasonably  acceptable to the Executive that no Excise Tax will
be imposed with respect to any such Payment or Payments. Within five days of the
delivery of the  Determination  to the Executive,  the Executive  shall have the
right to dispute the Determination (the "Dispute). The Gross-Up Payment, if any,
as determined  pursuant to this Section 6(b) shall be paid by the Company to the

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                                                            Exhibit 10(iii)A(34)


Executive   within   five  days  of  the  receipt  of  the   Accounting   Firm's
determination.  The  existence  of the  Dispute  shall not in any way affect the
right of the Executive to receive the Gross-Up  Payment in  accordance  with the
Determination. If there is no Dispute, the Determination shall be binding, final
and conclusive upon the Company and the Executive  subject to the application of
Section 6(c).

                  (c) As a  result  of the  uncertainty  in the  application  of
Sections 4999 and 28OG of the Code, it is possible that a Gross-Up Payment (or a
portion  thereof)  will be paid  which  should  not have been  paid (an  "Excess
Payment") or a Gross-Up  Payment (or a portion  thereof)  which should have been
paid will not have  been  paid (an  "Underpayment").  An  Underpayment  shall be
deemed to have  occurred (1) upon notice  (formal or informal) to the  Executive
from any  governmental  taxing authority that the tax liability of the Executive
(whether in respect of the then  current  taxable  year of the  Executive  or in
respect of any prior taxable year of the  Executive)  may be increased by reason
of the  imposition  of the Excise Tax on a Payment or Payments  with  respect to
which the Company has failed to make a sufficient  Gross-Up Payment,  (2) upon a
determination  by a court,  (3) by reason of determination by the Company (which
shall  include  the  position  taken  by  the  Company,  or  together  with  its
consolidated group, on its federal income tax return) or (4) upon the resolution
to the satisfaction of the Executive of the Dispute. If an Underpayment  occurs,
the Executive shall promptly notify the Company and the Company shall pay to the
Executive  at  least  five  days  prior  to the  date on  which  the  applicable
government  taxing  authority has  requested  payment,  an  additional  Gross-Up
Payment equal to the amount of the Underpayment  plus any interest and penalties
(other than interest and penalties imposed by reason of a failure to file timely
a tax return or pay taxes shown due on a return) imposed on the Underpayment. An
Excess Payment shall be deemed to have occurred upon a "Final Determination" (as
hereinafter  defined) that the Excise Tax shall not be imposed upon a Payment or
Payments with respect to which the Executive had previously  received a Gross-Up
Payment.  A Final  Determination  shall  be  deemed  to have  occurred  when the
Executive has received from the applicable  government taxing authority a refund
of taxes or other reduction in his tax liability by reason of the Excess Payment
and upon  either (i) the date a  determination  is made by, or an  agreement  is
entered into with, the applicable  governmental  taxable authority which finally
and conclusively binds the Executive and such taxing authority,  or in the event
that a claim is brought before a court of competent jurisdiction,  the date upon
which a final  determination  has been made by such court and either all appeals
have been taken and finally  resolved or the time for all appeals has expired or
(ii) the statute of limitations  with respect to the Executive's  applicable tax
return has expired.  If an Excess  Payment is determined to have been made,  the
amount of the Excess  Payment  shall be treated as a loan by the  Company to the
Executive  and the  Executive  shall pay to the  Company on demand (but not less
than 10 days after the  determination  of such Excess Payment) the amount of the

                                                                         Page 75
                                                            Exhibit 10(iii)A(34)


Excess Payment plus interest at an annual rate equal to the rate provided for in
Section  1274(b)(2)(B)  of the Code from the date the Gross-Up Payment (to which
the  Excess  Payment  relates)  was  paid to the  Executive  until  the  date of
repayment to the Company.

                  (d)  Notwithstanding  anything  contained in this Agreement to
the contrary,  in the event that, according to the Determination,  an Excise Tax
will be  imposed  on any  Payment  or  Payments,  the  Company  shall pay to the
applicable  government taxing authorities as Excise Tax withholding,  the amount
of the Excise Tax that the Company  has  actually  withheld  from the Payment or
Payments.

         7.  Unauthorized  Disclosure.  During the period that the  Executive is
actively employed by the Company,  the Executive shall not make any Unauthorized
Disclosure. For purposes of this Agreement, "Unauthorized Disclosure" shall mean
disclosure  by the  Executive  without  the  consent  of the Board  (other  than
pursuant to a court order) to any person,  other than an employee or director of
the  Company  or  a  person  to  whom  disclosure  is  reasonably  necessary  or
appropriate in connection with the performance by the Executive of his duties as
an  executive  of the  Company or as may be legally  required,  of any  material
confidential  information  obtained by the Executive  while in the employ of the
Company (including any material confidential  information with respect to any of
the Company's  customers or methods of distribution)  the disclosure of which is
demonstrably and materially injurious to the Company;  provided,  however,  that
such term shall not  include the use or  disclosure  by the  Executive,  without
consent,  of any  information  known  generally  to the public  (other than as a
result of disclosure  by him in violation of this Section 7) or any  information
not  otherwise  considered  confidential  and  material by a  reasonable  person
engaged in the same business as that conducted by the Company; provided further,
however,  that any  breach  of this  Section  7 shall in no  event  subject  the
Executive  to  damages  (including  costs,  fees and  expenses  incurred  by the
Company) in excess of $10,000 in the aggregate.

         8.  Non-Compete.  During  the period  that the  Executive  is  actively
employed by the Company,  the Executive  shall not directly or indirectly,  own,
manage, operate, control, consult with, or be connected as an officer, employee,
agent, partner,  director or consultant with, or have any financial interest in,
or assist anyone in the conduct of, any business  which  directly  competes with
the  businesses  of the  Company in the State of  Georgia.  Notwithstanding  the
foregoing, the Executive shall not be in violation of the preceding sentence due
to ownership  (directly or  indirectly)  by the  Executive of not more than five
percent (5%) of the issued and outstanding  class of securities of a corporation
whose securities are publicly traded.

         9.       Successors; Binding Agreement.

                  (a) This  Agreement  shall be binding  upon and shall inure to
the benefit of the Company,  its  successors  and assigns and the Company  shall

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                                                            Exhibit 10(iii)A(34)


require any  successor or assign to  expressly  assume and agree to perform this
Agreement  in the same manner and to the same  extent that the Company  would be
required to perform it if no such succession or assignment had taken place.  The
term "the Company" as used herein shall include such successors and assigns. The
term  "successors  and assigns" as used herein shall mean a corporation or other
entity acquiring all or substantially all the assets and business of the Company
(including this Agreement) whether by operation of law or otherwise.

                  (b) Neither this Agreement nor any right or interest hereunder
shall be assignable or transferable by the Executive, his beneficiaries or legal
representatives, except by will or by the laws of descent and distribution. This
Agreement  shall inure to the benefit of and be enforceable  by the  Executive's
legal personal representative.

         10. Fees and Expenses. The Company shall pay all legal fees and related
expenses (including the costs of experts,  evidence and counsel) incurred by the
Executive as they become due as a result of (a) the  Executive's  termination of
employment (including all such fees and expenses, if any, incurred in contesting
or disputing any such termination of employment),  (b) the Executive  seeking to
obtain or enforce  any right or benefit  provided  by this  Agreement  or by any
other plan or arrangement maintained by the Company under which the Executive is
or may be entitled to receive  benefits,  or (c) the Executive's  hearing before
the Board as contemplated in Section 2.1 of this Agreement;  provided,  however,
that the  circumstances set forth in clauses (a) and (b) (other than as a result
of the Executive's  termination of employment under  circumstances  described in
Section 2.2(d)) occurred on or after a Change in Control.

         11. Notice.  For the purposes of this Agreement,  notices and all other
communications   provided  for  in  the  Agreement   (including  the  Notice  of
Termination)  shall be in  writing  and shall be deemed to have been duly  given
when personally  delivered or sent by certified mail, return receipt  requested,
postage prepaid,  addressed to the respective addresses last given by each party
to the other,  provided that all notices to the Company shall be directed to the
attention of the Board with a copy to the Secretary of the Company.  All notices
and communications shall be deemed to have been received on the date of delivery
thereof or on the third  business  day after the  mailing  thereof,  except that
notice of change of address shall be effective only upon receipt.

         12.  Non-exclusivity of Rights. Nothing in this Agreement shall prevent
or limit the  Executive's  continuing  or future  participation  in any benefit,
bonus,  incentive or other plan or program provided by the Company or any of its
subsidiaries and for which the Executive may qualify,  nor shall anything herein
limit or reduce such rights as the Executive may have under any other agreements
with the Company or any of its  subsidiaries.  Amounts which are vested benefits

                                                                         Page 77
                                                            Exhibit 10(iii)A(34)


or which the  Executive  is  otherwise  entitled  to  receive  under any plan or
program of the Company or any of its subsidiaries shall be payable in accordance
with such plan or program, except as explicitly modified by this Agreement.

         13. Settlement of Claims. The Company's obligation to make the payments
provided  for in  this  Agreement  and  otherwise  to  perform  its  obligations
hereunder  shall  not be  affected  by  any  circumstances,  including,  without
limitation, any set-off, counterclaim,  recoupment, defense or other right which
the Company may have against the Executive or others.

         14.  Miscellaneous.  No  provision of this  Agreement  may be modified,
waived or discharged unless such waiver,  modification or discharge is agreed to
in writing  and signed by the  Executive  and the  Company.  No waiver by either
party  hereto  at any time of any  breach  by the  other  party  hereto  of,  or
compliance with, any condition or provision of this Agreement to be performed by
such other party shall be deemed a waiver of similar or dissimilar provisions or
conditions  at the same or at any prior or  subsequent  time.  No  agreement  or
representations,  oral or  otherwise,  express or implied,  with  respect to the
subject matter hereof have been made by either party which are not expressly set
forth in this Agreement.

         15.  Governing Law. This  Agreement  shall be governed by and construed
and enforced in accordance  with the laws of the State of Georgia without giving
effect to the  conflict of law  principles  thereof.  Any action  brought by any
party to this Agreement  shall be brought and maintained in a court of competent
jurisdiction in Fulton County in the State of Georgia.

         16.  Severability.  The  provisions of this  Agreement  shall be deemed
severable and the  invalidity  or  unenforceability  of any provision  shall not
affect the validity or enforceability of the other provisions hereof.

         17. Entire Agreement.  This Agreement  constitutes the entire agreement
between  the  parties  hereto  and  supersedes  all  prior  agreements,  if any,
understandings  and  arrangements,  oral or written,  between the parties hereto
with respect to the subject matter hereof.

IN WITNESS WHEREOF,  the Company has caused this Agreement to be executed by its
duly authorized  officer and the Executive has executed this Agreement as of the
day and year first above written.

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                                                            Exhibit 10(iii)A(34)






ATTEST:                                     NATIONAL SERVICE INDUSTRIES, INC.



___________________________                 By: ________________________________
Secretary                                       James S. Balloun
                                                Chairman of the Board
                                                And Chief Executive Officer






                                                --------------------------------
                                                ---------------




In  consideration  of the  Executive's  performing  valuable  services  for  the
Subsidiary,  the  undersigned  Subsidiary  does  hereby  agree to the  terms and
conditions  of  the  Agreement  and  does  hereby   guarantee  the  payment  and
performance  of all the Company's  obligations  and  responsibilities  under the
Agreement.


This ___ day of ________, 1999.


                                            SUBSIDIARY:

                                            -----------------------------------



                                            By: ________________________________





                                                                         Page 79
                                                            Exhibit 10(iii)A(34)


                                    APPENDIX


                     Executives' Deferred Compensation Plan

                   Supplemental Retirement Plan for Executives

                      Long-Term Achievement Incentive Plan

                                 Pension Plan C

          National Service Industries, Inc. Retirement and 401(k) Plan