Document:

PRODUCT FORMULA AGREEMENT

                  PRODUCT FORMULA AGREEMENT, dated as of this 5th day of
January, 2001 by and between SafeScience, Inc., a Nevada corporation with its
offices in Boston, MA ("SafeScience") and Delta-Omega Technologies, Inc., a
Colorado corporation (the "Company") with its offices in Broussard, LA.

                  WHEREAS, the Company has developed certain proprietary
formulations for cleaning products; and

                  WHEREAS, SafeScience is interested in acquiring title to
certain of these formulations and acquiring certain first refusal rights to
certain other of these formulations from the Company; and

                  WHEREAS, SafeScience is willing to make payments to the
Company in consideration of its transfer of the formulations being acquired and
its grant of certain first refusal rights hereunder to other formulations; and

                  WHEREAS, the Company is willing to grant to SafeScience title
to certain formulations and to grant certain first refusal rights as set forth
herein.

                  NOW THEREFORE, in consideration of the foregoing, the parties
agree as follows:

1.       Transfer of Existing SafeScience Consumer Cleaning Formulas.

         (a) The Company hereby grants all its rights, title and interest to the
consumer cleaning formulas listed on Exhibit A, and all instructions,
procedures, know-how and other information necessary for the manufacture thereof
(collectively, the "SafeScience Consumer Cleaning Formulas") to SafeScience,
including all modifications, enhancements and improvements thereto to date.

         (b) So long as SafeScience is not in violation of its royalty payment
obligations under paragraph 2(b), the Company shall not produce, create or
license to or for itself or any third party any formulation for any cleaning
product that is sold competitively with the cleaning products produced from the
SafeScience Consumer Cleaning Formulas as listed on Exhibit A.

2.       Payments by SafeScience.  SafeScience shall make the following payments
to the Company:

         (a)      $50,000 on the date hereof
                  $50,000 on April 1, 2001

         (b) 2% of net sales for all products produced from the SafeScience
Consumer Cleaning Formulas from the date hereof through January 5, 2005. Such
payments shall be made on a quarterly basis within 30 days of the end of each
calendar quarter. Net sales are defined as gross sales actually invoiced less
returns, cash discounts and necessary trade

<PAGE>

allowance and less separately invoiced amounts such as taxes, shipping and
insurance.

         (c) The parties agree that the payments due under Section 2(b) above
shall be initially offset by the amounts due to SafeScience by the Company
pursuant to the purchase order #s 42848, 42849, 42818, 42816, 42830, 42840,
42838, 42834, 42832, 42836, 42841, 42814, 42819, 9789, 42817, 9960 and 42843 for
S.S. 3000 dated from August 10, 2000 through October 27, 2000.

3. Rights to SafeScience Industrial Products. The Company grants SafeScience the
first right, prior to all other third parties, to negotiate an exclusive
worldwide license to make, manufacture, sell and distribute each of the
industrial cleaning products developed specifically for SafeScience listed in
Exhibit B (collectively, the "SafeScience Industrial Products") on substantially
similar terms as the draft Exclusive Supply and License Agreement dated January
27, 2000 attached as Exhibit C. SafeScience's first right to negotiate an
exclusive worldwide license shall not be subject to the receipt by the Company
of any offer to license the SafeScience Industrial Products. If the Company
receives an offer to license all or some of the SafeScience Industrial Products
it shall promptly notify SafeScience and negotiate in good faith to license such
SafeScience Industrial Products to SafeScience on substantially similar terms as
the draft Exclusive Supply and License Agreement dated January 27, 2000, except
for pricing which shall meet the new offer.

4.       Forgiveness of Loan.  SafeScience hereby agrees to forgive the
outstanding principal balance and interest due thereon of the Company's
promissory note to SafeScience dated May 14, 1999.

5.       New Consumer Formulas.

         (a) If the Company creates or produces any formulas for new consumer
cleaning products requested by SafeScience and agreed upon by the Company, after
the date hereof ("New Consumer Formulas") the Company shall license the New
Consumer Formulas to SafeScience on substantially similar terms, including
exclusivity, term and license fee, as the Exclusive License Agreement between
the Company and SafeScience dated September 15, 1999.

         (b) SafeScience shall have the option to purchase the New Consumer
Formulas for the initial purchase price for each New Consumer Formula of
$20,000, payable in advance plus 2% of net sales for all products produced from
such New Consumer Formula for a period of four (4) years from the date of
purchase of such New Consumer Formula (the "New Consumer Formula Purchase
Price"), and such New Consumer Formula shall be considered a SafeScience
Consumer Cleaning Formula for the purpose of this Product Formula Agreement. The
initial base price of $20,000 shall be increased each year based on the consumer
Price Index as published in the Wall Street Journal on the date nearest the
anniversary of this agreement. Net sales shall have the same definition as in
Section 2(b) hereof. SafeScience shall exercise its option to purchase any or
all New Consumer Formulas by delivering written notice to the Company.
SafeScience and the Company shall negotiate in good faith and complete the
purchase of such New Consumer Formulas

                                       -2-
<PAGE>

within forty-five (45) days of SafeScience's notice to exercise its option.

         (c) The Company can request SafeScience to exercise its option to
purchase a New Consumer Formula pursuant to section 5(b) by giving written
notice of the Company's intent to find a potential third party buyer of a New
Consumer Formula. If SafeScience does not notify the Company of its intent to
exercise its option pursuant to Section 5(b) within 10 (ten) business days of
receipt of the Company's request, then the Company may seek to sell the New
Consumer Formula pursuant to this Section 5(c) notwithstanding paragraph 1(b).
In the event the Company seeks to sell any New Consumer Formula, the Company
shall notify SafeScience in writing of the terms of such sale at least thirty
(30) calendar days prior to the date of such sale (the "Offer Notice"). Upon
receipt of the Offer Notice, SafeScience shall have twenty (20) days to exercise
a right of first refusal to enter into an agreement to purchase all or some of
the New Consumer Formulas covered by the Offer Notice for the greater of the New
Consumer Formula Purchase Price or the amount offered by any third party prior
to the offer notice. If SafeScience fails to notify the Company in writing
within said twenty (20) day period of its election to exercise its right of
first refusal, SafeScience shall be deemed to have waived all such rights and
the Company may conclude the sale to a third party notwithstanding paragraph
1(b).

         If SafeScience does not exercise its right of first refusal, the
Company may enter into such sale only on the terms (including the date)
described in, and with the party identified in, the Offer Notice. If the Company
has not entered into such sale pursuant to the Offer Notice within ninety (90)
days after the Offer Notice, then the restrictions provided by this Section 5
shall again become effective.

6.       Improvements to Products.

         (a) The Company shall make such modifications, adjustments,
enhancements and/or improvements (collectively "Improvements") to the
SafeScience Consumer Cleaning Formulas as requested by SafeScience. SafeScience
shall have all right, title and interest to any such Improvements to the
SafeScience Consumer Cleaning Formulas. SafeScience shall pay the Company all
reasonable expenses incurred by the Company on a time and materials basis in
connection with Improvements to the SafeScience Consumer Cleaning Formulas.
Prior to beginning any Improvements to the SafeScience Consumer Cleaning
Formulas, the Company shall provide an estimate to SafeScience of its time and
material costs in connection with Improvements to the SafeScience Consumer
Cleaning Formulas.

         (b) The Company may continue to develop Improvements to the SafeScience
Industrial Products. Any Improvements on SafeScience Industrial Products shall
also be considered SafeScience Industrial Products for the purposes of this
Agreement and shall be subject to all provisions hereof.

7. Rights Regarding Third Parties Manufacturers. The Company presently
manufactures industrial cleaning products, other than the SafeScience Industrial
Products, which are purchased from the Company by SafeScience and listed in
Exhibit D. The

                                      -3-
<PAGE>

Company agrees to negotiate in good faith to grant SafeScience the right to have
a third party manufacture such products if, as a result of the high volume of
demand which exceeds the Company's production capacity for any such products,
based on firm orders as verified by the Company, or quality control concerns
with respect to any such product, SafeScience determines in good faith that the
Company is unable to provide SafeScience with the necessary quantity or quality
of such products.

8.       Other Obligations.

         (a) The Company shall promptly grant to SafeScience 100,000 shares (the
"DOTK Shares") of its common stock par value $.001. The Company shall file a
registration statement covering the DOTK Shares within one hundred twenty (120)
days of the date hereof. Thereafter, the Company shall use its best efforts to
cause such registration statement to be declared effective by the 180th day
after the date hereof. The Company shall keep such registration statement
effective until SafeScience may sell the DOTK Shares without registration
pursuant to Rule 144 promulgated under the Securities Act of 1933, as amended
("Rule 144").

         The Company may postpone the filing of any registration statement
required pursuant to this Section 8(a) for a reasonable period of time, not to
exceed sixty (60) days in the aggregate, and not more than once in any ninety
(90) day period, if the Company has been advised by legal counsel in writing,
with a copy to the undersigned upon their request, that such filing would
require a special audit or the disclosure of a material impending transaction or
other matter and the Board of Directors of the Company determines reasonably and
in good faith that such disclosure would have a material adverse effect on the
Company.

         The Company shall pay all expenses incurred by the Company in
connection with the registration, qualification and/or exemption of the DOTK
Shares, including any SEC and state securities law registration in the state of
Massachusetts, or other states where registration is required by law, and filing
fees, printing expenses, fees and disbursements of the Company's counsel and
accountants, transfer agents' and registrars' fees, fees and disbursements of
experts used by the Company in connection with such registration, qualification
and/or exemption, and expenses incidental to any amendment or supplement to the
registration statement or prospectuses contained therein. The Company shall not,
however, be liable for any sales, broker's or underwriting commissions upon sale
by the undersigned or other holder of any of the DOTK Shares.

         (b) SafeScience shall promptly grant to the Company such number of
shares (the "SAFS Shares") of its common stock, par value $0.01 as shall have a
value of $200,000 based on the Closing price of SafeScience's common stock on
the date hereof. SafeScience shall file a registration statement covering the
SAFS Shares within one hundred twenty (120) days of the date hereof. Thereafter,
SafeScience shall use its best efforts to cause such registration statement to
be declared effective by the 180th day after the date hereof. SafeScience shall
keep such registration statement effective until the Company may sell the SAFS
Shares without registration pursuant to Rule 144.

                                      -4-
<PAGE>

         SafeScience may postpone the filing of any registration statement
required pursuant to this Section 8(b) for a reasonable period of time, not to
exceed sixty (60) days in the aggregate, and not more than once in any ninety
(90) day period, if SafeScience has been advised by legal counsel in writing,
with a copy to the undersigned upon their request, that such filing would
require a special audit or the disclosure of a material impending transaction or
other matter and the Board of Directors of SafeScience determines reasonably and
in good faith that such disclosure would have a material adverse effect on
SafeScience.

         SafeScience shall pay all expenses incurred by SafeScience in
connection with the registration, qualification and/or exemption of the SAFS
Shares, including any SEC and state securities law registration in the State of
Louisiana, or other states where registration is required by law, and filing
fees, printing expenses, fees and disbursements of SafeScience's counsel and
accountants, transfer agents' and registrars' fees, fees and disbursements of
experts used by SafeScience in connection with such registration, qualification
and/or exemption, and expenses incidental to any amendment or supplement to the
registration statement or prospectuses contained therein. SafeScience shall not,
however, be liable for any sales, broker's or underwriting commissions upon sale
by the undersigned or other holder of any of the SAFS Shares.

9. Right to Audit. SafeScience shall at all times through and until January 5,
2005 keep true and correct books of account and maintain documents (including
where appropriate documents produced by third party manufacturers and provided
to SafeScience) which show the payments due pursuant to Section 2(b) to which
the Company is entitled. The books of account and documentation shall be
retained by SafeScience through and until January 5, 2007 and shall be open to
inspection by an authorized representative of the Company, at the Company's
expense. Such inspections shall be carried out no more than twice per year,
during usual business hours of SafeScience by the Company or its assigns,
successors or representatives upon five (5) business days prior notice. In the
event an audit by the Company determines that SafeScience has underpaid the
payments due to the Company under Section 2(b) by more than 10% in any one-year
period, the expenses of the audit shall forthwith be reimbursed by SafeScience
to the Company.

10.      Confidentiality and Non-Disclosure of Information.

         (a) As used in this Agreement, the term "Confidential Information"
means confidential or proprietary technical or business information furnished by
one party to the other party in connection with this Agreement, regardless of
whether such information is in written, oral, electronic, or other tangible
form. Such Confidential Information may include, without limitation, trade
secrets, know-how, inventions, technical data or specifications, testing
methods, business or financial information, research and development activities,
product and marketing plans, and customer and supplier information. The
SafeScience Consumer Cleaning Formulas shall be the Confidential Information of
SafeScience and shall not be subject to exception (3) to Confidential
Information contained in Section 10(b) below.

                                      -5-
<PAGE>

         (b) Each party shall maintain the other party's Confidential
Information in confidence and shall not disclose such Confidential Information
to any third party without the prior written consent of the disclosing party and
shall not use such Confidential Information other than in furtherance of this
Agreement. The foregoing shall not apply to information that (1) is or hereafter
becomes generally available to the public other than by reason of any default
with respect to confidentiality under this Agreement; (2) is disclosed to such
party by a third party who is not in default of any confidentiality obligation
to the other party; (3) is developed by or on behalf of such party, without
reliance on confidential information acquired from the other party; (4) is
provided by such party under appropriate terms and conditions, including
confidentiality provisions equivalent to those in this Agreement, to third
parties for consulting, accounting, legal and similar purposes.

         (c) Each party shall limit access to the other party's Confidential
Information to those of its directors, officers, agents, employees, consultants
and advisors who have a need to know and who have been informed in writing of
and agreed to be bound by the obligations of confidentiality imposed by this
Agreement. Each party shall allow its directors, officers, agents, employees,
consultants, and advisors to reproduce the Confidential Information only to the
extent necessary to effect the purposes set forth in this Agreement, with all
such reproductions being considered Confidential Information. The receiving
party shall cause its directors, officers, agents, employees, consultants and
advisors to keep in confidence the Confidential Information consistent with this
Agreement and shall be responsible for any disclosures by such persons not
permitted hereunder.

         (d) In the event a party shall be required to disclose any Confidential
Information (a "Compelled Party"), it will give the other party prompt notice of
such requirement so that the other party may seek a protective order or other
appropriate remedy. Unless the requirement shall have been timely limited,
quashed or extended, the Compelled Party shall thereafter be entitled to comply
with such demand to the extent required by law. If requested by the other party,
the Compelled Party shall cooperate (at the expense of the other party) in the
defense of a demand.

         (e) In the event of any breach by a party or any of its agents of the
provisions of this Section 10, the other party may, subject to the provisions of
Section 16(c), immediately seek injunctive relief in any court of competent
jurisdiction in addition to any other rights or remedies provided for herein.

11.      Infringement.

         (a) In the event that the Company learns of any infringement or
unauthorized use of the SafeScience Consumer Cleaning Formulas, it shall
promptly notify SafeScience. SafeScience shall have the sole initial right to
bring infringement actions or other similar proceedings against third parties in
order to protect the SafeScience Consumer Cleaning Formulas. If requested to do
so, the Company shall reasonably cooperate with SafeScience in any such action,
including but not limited to joining the action as a party if necessary to
maintain standing.

         (b) If SafeScience determines not to take any such action, then the
Company

                                      -6-
<PAGE>

may take such action in its own name. SafeScience may cooperate with the Company
or join such action at its sole discretion. In the event such an action taken by
the Company is successful and the Company is not awarded all its costs and
expenses (including attorney's fees) incurred in connection with the prosecution
thereof, then SafeScience agrees to participate in and contribute to the costs
and expenses of such prosecution in ratable proportion to the relative losses to
the parties incurred as a result of the infringing conduct. The relative losses
of the parties shall be determined based upon, in the case of SafeScience,
SafeScience's estimated gross profits from the sales lost as a result of the
infringement, and in the case of the Company, on the Section 2(b) fees that
would have been payable on the sales lost as a result of the infringement.

         (c) Any award recovered by the Company or SafeScience in any action or
proceeding commenced by it as under this Section 11 shall be divided between the
parties as follows: first, to both parties of their respective, actual
out-of-pocket costs (which amount shall be allocated pro rata if the amount
recovered is less than the total amount of such costs); second, any amounts
awarded in respect of lost sales or profits shall be allocated so as to
approximate, to the best of the parties' ability, to the Company the portion
thereof that represents the fees payable under Section 2(b) that would have been
payable with respect to such lost sales or profits, and to SafeScience the
balance of the amount so awarded.

12.      Indemnification.

         (a) The Company agrees and covenants to hold harmless and indemnify and
defend SafeScience, its subsidiaries, affiliates, officers, directors,
employees, agents and assigns, from and against any suits, actions, claims,
losses, demands, liabilities, costs and expenses of any kind, including costs
and attorneys' fees for defending the same, which may arise or result from any
claims of infringement by, or piracy of, the SafeScience Consumer Cleaning
Formulas, except to the extent caused by SafeScience's (or any of SafeScience's
agent's or third party manufacturer's) misuse, unauthorized modification of
SafeScience Consumer Cleaning Formulas or mislabeling.

         (b) SafeScience agrees and covenants to hold harmless and indemnify and
defend the Company, its subsidiaries, affiliates, officers, directors,
employees, agents and assigns (each a "Company Indemnified Party"), from and
against any suits, actions, claims, losses, demands, damages, liabilities, costs
and expenses of any kind, including costs and attorneys' fees for defending the
same, which may arise or result from SafeScience's use of the SafeScience
Consumer Cleaning Formulas, to the extent SafeScience's or its agents' actions
constitute breach of contract, negligence or willful misconduct toward a party
other than a Company Indemnified Party.

13. Warranties. The Company represents and warrants to SafeScience that (i) it
has all corporate power and authority to grant its right, title and interest in
the SafeScience Consumer Cleaning Formula to SafeScience, (ii) the execution and
delivery of this Agreement and the transactions contemplated hereby have been
duly authorized by all necessary corporate action on the Company's part, (iii)
the SafeScience Consumer Cleaning Formulas do not constitute substantially all
the assets of the Company, (iv) to its

                                      -7-
<PAGE>

knowledge and belief the SafeScience Consumer Cleaning Formulas do not infringe
or violate any intellectual property rights of any third party, and no third
party has infringed upon the rights of the Company in the SafeScience Consumer
Cleaning Formulas, and (v) it has full right and title to the SafeScience
Consumer Cleaning Formulas.

14.      Termination.

         (a) Notwithstanding anything otherwise contained in this Agreement, the
Company shall have the right to terminate the rights granted to SafeScience
hereunder (other than the Company's granting of its right, title and interest in
the SafeScience Consumer Cleaning Formulas to SafeScience) upon thirty (30) days
written notice to SafeScience (unless a longer period is set forth hereinbelow),
if SafeScience fails or refuses to pay promptly any amount payable under Section
2 when and as same shall become due and payable, and such default shall continue
for a period of thirty (30) days after written notice thereof has been given by
the Company to SafeScience; provided, however, (1) if SafeScience, within said
notice period, cures or otherwise terminates any of said events, said rights
shall continue on in force as if said notice had not been given, or (2) if
SafeScience, within said notice period, contests in good faith the veracity of
any of said events, said rights shall continue on in force until such time as
the veracity of said events shall be established by a final trier of fact, from
which no further appeal may be taken in accordance with Section 16(c).

         (b) SafeScience may terminate this Agreement at any time, for any
reason, upon thirty (30) days' notice thereof to the Company.

15. Effect of Termination. Upon the termination of this Agreement, all rights of
SafeScience under Sections 3, 5, 6 and 7 shall cease forthwith and shall
immediately be null and void and thereafter SafeScience shall cease using the
SafeScience Industrial Products. Each party shall forthwith deliver to the other
party all forms, procedures, documents, copies of formulations, and other
Confidential Information of the other party. Section 2, 4, 8, 9, 10, 11, 12 and
13 shall survive any termination of this Agreement.

16.      General Provisions.

         (a) Relationship of Parties. No partnership, joint venture, employment,
agency or other relationship is formed, intended, or to be inferred under this
Agreement. Neither party to this Agreement shall make or authorize any
representation to the contrary.

         (b) Survival of Remedies. During and after the term of this Agreement,
each party shall be entitled to all rights, remedies and protections available
at law and in equity. The parties recognize that irreparable injury may result
to its business and property if the other party breaches any of the terms of
this Agreement, and each party agrees that if it engages in any act in violation
of this Agreement, the other party shall be entitled, in addition to such other
remedies and damages as may be available, to seek equitable relief including
injunction prohibiting the breaching party from engaging in such act and
specific performance.

                                      -8-
<PAGE>

         (c) Disputes. Should a dispute arise relative to the terms or
conditions of this Agreement, the parties shall, prior to commencing any
litigation or similar proceeding, engage in non-binding mediation with a
mediator mutually acceptable to the parties. In the event such mediation is
unsuccessful in resolving the dispute, the parties shall submit the dispute to
binding arbitration in Boston, Massachusetts pursuant to the rules then
prevailing of the American Arbitration Association. Any award made through the
arbitration shall be enforceable in any court of competent jurisdiction pursuant
to uniform laws regarding arbitration and the award may include an award of
attorney's fees and costs to the prevailing party. The foregoing arbitration
clause shall not be deemed to limit the right of either party to seek immediate
equitable relief, where permitted pursuant to applicable law or to the terms of
this Agreement, in a court of competent jurisdiction pending the arbitration
proceedings.

         (d) Waiver. The failure of either party to take any action under this
Agreement, or the waiver of a breach of this Agreement, shall not affect that
party's rights to require performance hereunder or constitute a waiver of any
subsequent breach.

         (e) Notice. All notices required or permitted to be given or made under
this Agreement must be made in writing and delivered by certified mail, return
receipt requested. Mailed notices shall be addressed to the parties as their
addresses appear below, except that in the event written notice of a change of
address is made in accordance with this section, then such mailed notices shall
be addressed to the party in question at such new address.

If to Delta-Omega Technologies, Inc.:

119 Ida Road
Broussard, LA 70518
Attn:  James V. Janes, III
Telephone: (318) 837-3011
Fax: (318) 837-3037

With copies to:

Roger V. Davidson, Esq.
Ballard Spahr Andrews & Ingersoll, LLP
1225 17th Street, Suite 2300
Denver, CO 80202-5596
Telephone: (303) 299-7307
Fax: (303) 296-3956

If to SafeScience, Inc.:

31 St. James Avenue
Boston, MA 02116
Attn: Bradley J. Carver, President
Telephone: (617) 422-0674

                                      -9-
<PAGE>

Fax: (617) 422-0675

With copies to:

Cheryl Reicin, Esq.
McDermott, Will & Emery
50 Rockefeller Plaza
New York, NY
Telephone:  (212) 547-5400
Fax:  (212) 547-5444

         (f) Interpretation. This Agreement shall be governed by and interpreted
in accordance with the laws of The Commonwealth of Massachusetts. The headings
herein are for reference only and shall not define or limit the provisions
hereof.

         (g) Entire Agreement. This Agreement constitutes the entire agreement
between the parties with respect to the subject matter addressed herein, and all
prior and contemporaneous agreements, whether written or oral, as may relate to
the same, are hereby superseded by this Agreement.

         (h) Modification. This Agreement may not be altered, modified, amended
or changed, in whole or in part, except by a writing executed by the parties.

         (i) Successors. This Agreement shall be binding upon the parties and
their
permitted assigns, corporate successors and representatives. Neither party may
assign this Agreement or its rights hereunder without the prior written consent
of the other party which shall not be unreasonably withheld, provided such
assignee agrees to assume the responsibilities and obligations of the assigning
party hereunder.

         (j) Attorneys' Fees. In the event of any dispute which results in a
suit or other legal proceeding to construe or enforce any provision of this
Agreement or because of an alleged breach, default or misrepresentation in
connection with any of the provisions of this Agreement, the parties agree that
the prevailing party or parties (in addition to all other amounts and relied to
with such party or parties may be entitled) shall be entitled to recover
reasonable attorneys' fees and other costs incurred in any action or proceeding.

         (k) Previous Agreement. This Agreement shall be deemed to supersede the
Exclusive License Agreement dated September 15, 1999 between SafeScience and the
Company and the Supply and Distribution Agreement dated July 8, 1998 between
SafeScience and the Company.

                  IN WITNESS WHEREOF, the parties have hereunto set their hands
and seals as of the date first above written.

SAFESCIENCE, INC.                             DELTA-OMEGA TECHNOLOGIES, INC.

By:  /s/ Bradley J. Carver                    By: /s/ James V. Janes
     ---------------------                         ------------------

                                      -10-
<PAGE>

Title:   Chief Executive Officer              Title:  Co-Chief Executive Officer

                                              By: /s/ Illegible
                                                   -------------

                                              Title:  Co-Chief Executive Officer

                                      -11-
<PAGE>

                                    EXHIBIT A
                                    ---------

                     SafeScience Consumer Cleaning Formulas

Product Name                                                  SAFS Item Number
------------                                                  ----------------

All Purpose RTU                                                  301
Kitchen Cleaner                                                  308
Window/Glass Cleaner RTU                                         304
Floor Cleaner RTU                                                303
Shower Mist                                                      305
Bathroom Cleaner RTU                                             310
Dishwash RTU                                                     302
Laundry Detergent                                                309
Exterior Home & Window                                           307
Citrus Scent All Purpose                                       20024
All Purpose Mint                                               25003

<PAGE>

                                    EXHIBIT B
                                    ---------

                         SafeScience Industrial Products

Product Name                                                 SAFS Item Number
------------                                                 ----------------

Oven/Grill Heavy Duty Cleaner                                  315
Window/Glass Cleaner Concentrate                               314
Window/Glass Cleaner RTU                                       314
All Purpose Cleaner Concentrate                                310
All Purpose Cleaner RTU                                        310
Floor Cleaner Concentrate                                      313
Stain Remover                                                  318
Liquid Laundry                                                 319
Bathroom Cleaner Concentrate                                   317
Bathroom Cleaner RTU                                           317
Exterior Window/Glass Cleaner                                  320

<PAGE>

                                    EXHIBIT C
                                    ---------

<PAGE>

                                    EXHIBIT D
                                    ---------

                    Delta-Omega Industrial Cleaning Products

Product Name                                               SAFS Item Number
------------                                               ----------------

Carpet Shampoo                                                316
Concrete Cleaner                                              326
Multi-Clean Super Concentrate                                 323
Aircraft Wash HD                                              325
Aircraft Wash                                                 324
Wash n' Wax Concentrated Liquid                               321
Defoamer                                                   DF-100
D-Limonene    (OCY Industrial Clean                        SS2000
Intermediate (Glyco Ether)                                 SS3000
HazClean EFFF                                              SS3100AMENDMENT NO. 2 TO THE
                            CREDIT AGREEMENT

                                        Dated as of April 2, 2001

     AMENDMENT NO. 2 TO THE CREDIT AGREEMENT among Captain D's, Inc., a
Delaware corporation (the "Borrower"), the banks, financial institutions and
other institutional lenders parties to the Credit Agreement referred to below
(collectively, the "Lenders"), and Bank of America, N.A., as Administrative
Agent (the "Administrative Agent") for the Lenders.

     PRELIMINARY STATEMENTS:

     (1)   The Borrower, the Lenders and the Administrative Agent have
entered into a Credit Agreement dated as of September 6, 2000, as amended by
Amendment No. 1 and Waiver to the Credit Agreement dated as of January 26,
2001 (such agreement as so amended, the "Credit Agreement").  Capitalized
terms not otherwise defined in this Amendment have the same meanings as
specified in the Credit Agreement.

     (2)   The Borrower and the Lenders have agreed to amend the Credit
Agreement as hereinafter set forth.

     SECTION 1.   Amendments to Credit Agreement.  Section 5.01(x)(i) of the
Credit Agreement is, effective as of the date hereof and subject to the
satisfaction of the conditions precedent set forth in Section 2, hereby
amended by (i) deleting the words "Within 210 days after the Closing Date" at
the beginning thereof and substituting for such words the words "No later
than August 31, 2001" and (ii) adding at the end thereof the following
proviso:

       "provided, however, that in the event that the Borrower obtains and
       accepts one or more financing commitments on or before June 30, 2001
       for the refinancing and prepayment in full of the Facilities on or
       prior to September 30, 2001, in form and substance, and from
       financing providers, reasonably acceptable to the Administrative
       Agent, the Borrower shall not be required to comply with the
       requirements of this Section 5.01(x)(i); provided, further, however,
       that if such refinancing and prepayment of the Facilities does not
       occur on or before September 30, 2001, the Borrower shall comply with
       the requirements of this Section 5.01(x)(i) no later than October 31,
       2001.

     SECTION 2. Conditions of Effectiveness.  This Amendment shall become
effective as of the date first above written when, and only when, the
Administrative Agent shall have received counterparts of this Amendment
executed by the Borrower and the Required

                                    2

Lenders or, as to any of the Lenders, advice satisfactory to the
Administrative Agent that such Lender has executed this Amendment, and the
consent attached hereto executed by each of the parties thereto.  The
effectiveness of this Amendment is conditioned on the accuracy of the factual
matters described herein.  This Amendment is subject to the provisions of
Section 8.01 of the Credit Agreement.

     SECTION 3. Reference to and Effect on the Credit Agreement and the
Notes.  (a)  On and after the effectiveness of this Amendment, each reference
in the Credit Agreement to "this Agreement", "hereunder", "hereof" or words
of like import referring to the Credit Agreement, and each reference in the
Notes and each of the other Loan Documents to "the Credit Agreement",
"thereunder", "thereof" or words of like import referring to the Credit
Agreement, shall mean and be a reference to the Credit Agreement, as amended
by this Amendment.

     (b) The Credit Agreement, the Notes and each of the other Loan
Documents, as specifically amended by this Amendment,  are and shall continue
to be in full force and effect and are hereby in all respects ratified and
confirmed.  Without limiting the generality of the foregoing, the Collateral
Documents and all of the Collateral described therein do and shall continue
to secure the payment of all Obligations of the Loan Parties under the Loan
Documents, in each case as amended by this Amendment.

     (c) The execution, delivery and effectiveness of this Amendment shall
not, except as expressly provided herein, operate as a waiver of any right,
power or remedy of any Lender or the Administrative Agent under any of the
Loan Documents, nor constitute a waiver of any provision of any of the Loan
Documents.

     SECTION 4. Costs and Expenses.  The Borrower agrees to pay on demand all
costs and expenses of the Administrative Agent in connection with the
preparation, execution, delivery and administration, modification and
amendment of this Amendment and the other instruments and documents to be
delivered hereunder (including, without limitation, the reasonable fees and
expenses of counsel for the Administrative Agent) in accordance with the
terms of Section 8.04 of the Credit Agreement.

     SECTION 5. Execution in Counterparts.  This Amendment may be executed in
any number of counterparts and by different parties hereto in separate
counterparts, each of which when so executed shall be deemed to be an
original and all of which taken together shall constitute but one and the
same agreement.  Delivery of an executed counterpart of a signature page to
this Amendment by telecopier shall be effective as delivery of a manually
executed counterpart of this Amendment.

     SECTION 6. Governing Law.  This Amendment shall be governed by, and
construed in accordance with, the laws of the State of New York.

     IN WITNESS WHEREOF, the parties hereto have caused this Amendment to be
executed by their respective officers thereunto duly authorized, as of the
date first above written.

                                     CAPTAIN D'S, INC.

                                     By /s/ F.E. McDaniel, Jr.
                                        ---------------------------------
                                        Title: V.P.

                                     BANK OF AMERICA, N.A.,
                                     as Administrative Agent and as Lender

                                     By /s/ Richard G. Parkhurst, Jr.
                                        ---------------------------------
                                        Title: Managing Director

                                     VAN KAMPEN SENIOR
                                     INCOME TRUST
                                     By: Van Kampen Investment
                                     Advisory Corp.

                                     By  /s/ Darvin D. Pierce
                                         --------------------------------
                                         Name: Darvin D. Pierce
                                         Title: Principal

                                     VAN KAMPEN SENIOR
                                     FLOATING RATE FUND
                                     By: Van Kampen Investment
                                     Advisory Corp.

                                     By /s/ Darvin D. Pierce
                                        ---------------------------------
                                        Name: Darvin D. Pierce
                                        Title: Principal

                                     VAN KAMPEN PRIME RATE
                                     INCOME TRUST
                                     By: Van Kampen Investment
                                     Advisory Corp.

                                     By /s/ Darvin D. Pierce
                                        ---------------------------------
                                        Name: Darvin D. Pierce
                                        Title: Principal

                                     CYPRESSTREE INVESTMENT
                                     MANAGEMENT COMPANY, INC.
                                     As: Attorney-in-Fact and on behalf of
                                     First Allmerica Financial Life Insurance
                                     Company as Portfolio Manager

                                     By /s/ Jeffrey W. Heuer
                                        ---------------------------------
                                        Name: Jeffrey W. Heuer
                                        Title: Principal

                                     NORTH AMERICA SENIOR FLOATING RATE FUND
                                     By: CypressTree Investment Management
                                     Company, Inc. as Portfolio Manager

                                     By /s/ Jeffrey W. Heuer
                                        ---------------------------------
                                        Name: Jeffrey W. Heuer
                                        Title: Principal

                                     CYPRESSTREE INVESTMENT PARTNERS I, LTD

                                     By: CypressTree Investment Management
                                     Company, Inc. as Portfolio Manager

                                     By /s/ Jeffrey W. Heuer
                                        ---------------------------------
                                        Name: Jeffrey W. Heuer
                                        Title: Principal

                                     KZH STERLING LLC

                                     By /s/ Susan Lee
                                        ---------------------------------
                                        Name:  Susan Lee
                                        Title:  Authorized Agent

                                     KZH CYPRESSTREE-1 LLC

                                     By /s/ Susan Lee
                                        --------------------------------
                                        Name: Susan Lee
                                        Title: Authorized Agent

                                     ML CLO XV PILGRIM AMERICA (CAYMAN) LTD.

                                     By: ING Pilgrim Investments, as its
                                     investment manager

                                     By /s/ Michel Prince
                                        ---------------------------------
                                        Name: Michel Prince, CFA
                                        Title: Vice President

                                     ML CLO XX PILGRIM AMERICA (CAYMAN) LTD.

                                     By: ING Pilgrim Investments, as its
                                     investment manager

                                     By /s/ Michel Prince
                                        ---------------------------------
                                        Name: Michel Prince, CFA
                                        Title: Vice President

                                     ML CLO XII PILGRIM AMERICA (CAYMAN) LTD.

                                     By: ING Pilgrim Investments, as its
                                     investment manager

                                     By /s/ Michel Prince
                                        ---------------------------------
                                        Name: Michel Prince, CFA
                                        Title: Vice President

                                     BALANCED HIGH-YIELD FUND I, LTD.

                                     By: ING Capital Advisors LLC,
                                         as Asset Manager

                                     By /s/ Michael J. Campbell
                                        ---------------------------------
                                        Name: Michael J. Campbell
                                        Title: Managing Director

                                     SEQUILS I, LTD.

                                     By:  TCW Advisors, Inc., as its
                                     Collateral Manager

                                     By /s/ Mara Gold
                                        ---------------------------------
                                        Name: Mara Gold
                                        Title: Managing Director

                                     By /s/
                                        ---------------------------------
                                        Name:
                                        Title: Vice President

                                     SEQUILS IV, LTD.

                                     By:  TCW Advisors, Inc., as its
                                     Collateral Manager

                                     By /s/ Mara Gold
                                        ---------------------------------
                                        Name: Mara Gold
                                        Title: Managing Director

                                     By /s/
                                        ---------------------------------
                                        Name:
                                        Title: Vice President

                                     TRANSAMERICA BUSINESS CAPITAL
                                     CORPORATION

                                     By /s/ Stephen Goetschius
                                        ---------------------------------
                                        Name: Stephen Goetschius
                                        Title: Sr. Vice President

                                     CAPTIVA II FINANCE, LTD.

                                     By /s/ David Dyer
                                        ---------------------------------
                                        Name:  David Dyer
                                        Title: Director

                                 CONSENT

                                    Dated as of April 2, 2001

     Each of the undersigned, Captain D's, Inc., a Delaware corporation,
Shoney's Inc., a Tennessee corporation (and the successor by merger to TPI
Restaurants, Inc., a Tennessee corporation), SHN Properties, LLC, a Delaware
limited liability company, Captain D's Realty, LLC, a Delaware limited
liability company and Beverage Sales, Inc., a Delaware corporation, to the
extent it is (i) a Grantor under the Security Agreement dated as of September
6, 2000 in favor of the Administrative Agent and, for its benefit and the
benefit of the Secured Parties (as defined in the Credit Agreement referred
to in the foregoing Amendment), (ii) a Grantor under the Intellectual
Property Security Agreement dated as of September 6, 2000 in favor of the
Administrative Agent and, for its benefit and the benefit of the Secured
Parties, (iii) a Pledgor under the Pledge Agreement dated as of September 6,
2000 in favor of the Administrative Agent and, for its benefit and the
benefit of the Secured Parties and (iv) a Subsidiary Guarantor under the
Subsidiary Guaranty dated as of September 6, 2000 in favor of the
Administrative Agent and, for its benefit and the benefit of the Secured
Parties, hereby consents to such Amendment and hereby confirms and agrees
that (a) notwithstanding the effectiveness of such Amendment, each of the
Loan Documents (as defined in the Credit Agreement referred to in the
foregoing Amendment) to which it is a party is, and shall continue to be, in
full force and effect and is hereby ratified and confirmed in all respects,
except that, on and after the effectiveness of such Amendment, each reference
in such Loan Documents to the "Credit Agreement", "thereunder", "thereof" or
words of like import shall mean and be a reference to the Credit Agreement,
as amended by such Amendment, and (b) the Collateral Documents to which it is
a party and all of the Collateral described therein do, and shall continue
to, secure the payment of all of the Secured Obligations (in each case, as
defined therein).

                                    CAPTAIN D'S, INC.

                                    By: /s/ F.E. McDaniel, Jr.
                                        -------------------------------
                                        Title: V.P.

                                    SHONEY'S, INC.

                                    By: /s/ F.E. McDaniel, Jr.
                                        --------------------------------
                                        Title: V.P. - Finance

                                    SHN PROPERTIES, LLC

                                    By: Captain D's, Inc., as Managing Member

                                    By: /s/ F.E. McDaniel, Jr.
                                        ---------------------------------
                                        Title: V.P.

                                    CAPTAIN D's REALTY, LLC

                                    By: Captain D's, Inc., as Managing Member

                                    By: /s/ F.E. McDaniel, Jr.
                                        ---------------------------------
                                        Title: V.P.

                                    BEVERAGES SALES, INC.

                                    By: /s/ Farbood Azari
                                        ---------------------------------
                                        Title: President

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