Document:

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                                                                   EXHIBIT 10.29

                           RATIFICATION OF PREVIOUSLY
                           --------------------------
                          EXECUTED SECURITIY AGREEMENT
                          ----------------------------

         This Agreement, dated as of the 9th day of August, 2001, is by and
between MOUNTAIN COMPRESSED AIR, INC., a Texas corporation (hereinafter referred
to as the "Debtor"), whose address for notice purposes is 2466 Commerce
Boulevard, Grand Junction, Colorado 81505, and WELLS FARGO BANK, TEXAS, NATIONAL
ASSOCIATION, a national banking association (the "Bank") whose address is 1000
Louisiana, Third Floor, Houston, Texas 77002.

                                R E C I T A L S:
                                ----------------

         WHEREAS, Debtor has heretofore executed that certain Security Agreement
dated as of February 6, 2001 (as the same may have been previously ratified and
amended, the "Security Agreement"), covering and describing various personal
property and fixtures;

         WHEREAS, the Security Agreement was executed and delivered to secure
the payment of certain obligations of the Pledgor including, without limitation,
that certain revolving credit promissory note dated of even date therewith and
in the original principal sum of $500,000.00 executed by Debtor and payable to
the order of Bank (the "Note");

         WHEREAS, the benefits of the Bank under the Security Agreement and the
Note are still owned and held by the Bank;

         WHEREAS, the Debtor desires to renew and increase the Note; and

         WHEREAS, in connection therewith, Debtor desires to ratify, modify, and
supplement the Security Agreement.

         NOW, THEREFORE, in consideration of the foregoing, the benefits to be
derived by the Debtor and other good and valuable consideration, the receipt and
sufficiency of which is hereby acknowledged by the Debtor, the Debtor hereto
agrees that the Security Agreement is hereby ratified, and is amended and
supplemented to read in its entirety as follows:

         1. GRANT OF SECURITY INTEREST. For valuable consideration, Debtor
hereby grants and transfers to Bank a security interest in all of the property
of Debtor, including, without limitation, the property set forth in EXHIBIT A
hereto, further described as follows (collectively, the "Collateral"), but
EXCLUDING the property set forth in EXHIBIT B hereto:

         (a) all accounts, deposit accounts, contract rights, chattel paper
(whether electronic or tangible), instruments, promissory notes, documents,
general intangibles, payment intangibles, software, letter of credit rights,
health-care insurance receivables and other rights to payment of every kind now
existing or at any time hereafter arising;

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         (b) all inventory, goods held for sale or lease or to be furnished
under contracts for service, or goods so leased or furnished, raw materials,
component parts, work in process and other materials used or consumed in
Debtor's business, now or at any time hereafter owned or acquired by Debtor,
wherever located, and all products thereof, whether in the possession of Debtor,
any warehousemen, any bailee or any other person, or in process of delivery, and
whether located at Debtor's places of business or elsewhere;

         (c) all warehouse receipts, bills of sale, bills of lading and other
documents of every kind (whether or not negotiable) in which Debtor now has or
at any time hereafter acquires any interest, and all additions and accessions
thereto, whether in the possession or custody of Debtor, any bailee or any other
person for any purpose;

         (d) all money and property heretofore, now or hereafter delivered to or
deposited with Bank or otherwise coming into the possession, custody or control
of Bank (or any agent or bailee of Bank) in any manner or for any purpose
whatsoever during the existence of this Agreement and whether held in a general
or special account or deposit for safekeeping or otherwise;

         (e) all right, title and interest of Debtor under licenses, guaranties,
warranties, management agreements, marketing or sales agreements, escrow
contracts, indemnity agreements, insurance policies, service or maintenance
agreements, supporting obligations, and other similar contracts of every kind in
which Debtor now has or at any time hereafter shall have an interest;

         (f) all Debtor's goods, tools, machinery, furnishings, furniture and
other equipment and fixtures of every kind now existing or hereafter acquired,
and improvements, replacements, accessions and additions thereto and embedded
software included therein, whether located on any property owned or leased by
Debtor or elsewhere, including without limitation, any of the foregoing now or
at any time hereafter located at or installed on the land or in the improvements
at any of the real property owned or leased by Debtor, and all such goods after
they have been severed and removed from any of said real property;

         (g) All now existing or hereafter acquired general intangibles of every
kind and nature, all permits, regulatory approvals, copyrights, patents,
trademarks, service marks, trade names, mask works, goodwill, licenses and all
other intellectual property owned by Debtor or used in Debtor's business; and

         (h) all Debtor's motor vehicles, trailers, mobile homes, manufactured
homes, boats, other rolling stock and related equipment of every kind now
existing or hereafter acquired and all additions and accessories thereto,
whether located on any property owned or leased by Debtor or elsewhere; together
with whatever is receivable or received when any of the foregoing or the
proceeds thereof are sold, leased, collected, exchanged or otherwise disposed
of, whether such disposition is voluntary or involuntary, including without
limitation, all rights to payment, including returned premiums, with respect to
any insurance relating to any of the foregoing, and all rights to payment with
respect to any cause of action affecting or relating to any of the foregoing
(collectively, "Proceeds").

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         2. OBLIGATIONS SECURED. The obligations secured hereby are the payment
and performance of: (a) all present and future Indebtedness of Debtor to Bank;
(b) all obligations of Debtor and rights of Bank under this Agreement; and (c)
all present and future obligations of Debtor to Bank of other kinds. The word
"Indebtedness" is used herein in its most comprehensive sense and includes any
and all advances, debts, obligations and liabilities of Debtor, heretofore, now
or hereafter made, incurred or created, whether voluntary or involuntary and
however arising, whether due or not due, absolute or contingent, including,
without limitation, all obligations of Debtor to Bank under letter of credit
agreements and applications, liquidated or unliquidated, determined or
undetermined, and whether Debtor may be liable individually or jointly with
others, or whether recovery upon such Indebtedness may be or hereafter becomes
unenforceable including, without limitation, that certain (i) Term Note dated of
even date herewith in the original principal amount of $3,550,000.00; (ii)
Delayed Draw Term Note dated of even date herewith in the original principal
amount of $500,000.00; and (iii) Revolving Line of Credit Note dated of even
date herewith in the original principal amount of $500,000.00; all executed by
Debtor and payable to the order of Bank (collectively, the "Notes") pursuant to
that certain Credit Agreement dated of even date herewith between Debtor and
Bank (the "Credit Agreement); and all renewals, extensions, rearrangements,
amendments, modifications, and/or increases of any of the aforesaid.

         3. TERMINATION. This Agreement will terminate upon the performance of
all obligations of Debtor to Bank including, without limitation, the payment of
all Indebtedness of Debtor to Bank, and the termination of all commitments of
Bank to extend credit to Debtor, existing at the time Bank receives written
notice from Debtor of the termination of this Agreement.

         4. OBLIGATIONS OF BANK. Bank has no obligation to make any loans
hereunder. Any money received by Bank in respect of the Collateral may be
deposited, at Bank's option, into a non-interest bearing account over which
Debtor shall have no control, and the same shall, for all purposes, be deemed
Collateral hereunder.

         5. REPRESENTATIONS AND WARRANTIES. Debtor represents and warrants to
Bank that: (a) Debtor's legal name is exactly as set forth on the first page of
this Agreement, and all of Debtor's organizational documents or agreements
delivered to Bank are complete and accurate in every respect; (b) Debtor is the
owner and has possession or control of the Collateral and Proceeds; (c) Debtor
has the right to grant a security interest in the Collateral and Proceeds; (d)
all Collateral and Proceeds are genuine, free from liens, adverse claims,
setoffs, default, prepayment, defenses and conditions precedent of any kind or
character, except the lien created hereby in favor of Bank (which shall be a
first lien), any lien created in favor of Wells Fargo Energy Capital, Inc.
(which shall be a second lien behind Bank's lien), any lien created in favor of
Wells Fargo Equipment Finance, Inc. (which shall be a third lien behind Bank's
lien), or as otherwise agreed to by Bank, or as heretofore disclosed by Debtor
to Bank, in writing; (e) all statements contained herein and, where applicable,
in the Collateral are true and complete in all material respects; (f) no
financing statement covering any of the Collateral or Proceeds, and naming any
secured party other than Bank, Wells Fargo Energy Capital, Inc. or Wells Fargo
Equipment Finance, Inc., is on file in any public office; (g) where Collateral
consists of rights to payment, all persons appearing to be obligated on the
Collateral and Proceeds have authority and capacity to contract and are bound as
they appear to be, all property subject to chattel paper has been properly
registered and filed in compliance with law and to perfect the interest of
Debtor in such property, and all such Collateral and Proceeds comply with all
applicable laws concerning form, content and manner of preparation and

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execution, including where applicable Federal Reserve Regulation Z and any State
consumer credit laws; (h) where the Collateral consists of equipment, Debtor is
not in the business of selling goods of the kind included within such
Collateral, and Debtor acknowledges that no sale of any such Collateral,
including without limitation, any such Collateral which Debtor may deem to be
surplus, has been consented to or acquiesced in by Bank, except as specifically
set forth in writing by Bank; and (i) none of the Collateral at this time
constitutes fixtures and in the event it should in the future, should Debtor
acquire fixtures, at least thirty (30) days prior thereto, Debtor shall notify
Bank thereof, furnish Bank with a description of said fixtures, furnish Bank
with a description of the real estate to which the fixtures are attached, and
execute all such documents as may be required by Bank to properly perfect Bank's
first priority security interest therein.

         6. COVENANTS OF DEBTOR.

         (a) Debtor agrees in general: (i) to pay Indebtedness secured hereby
when due; (ii) to indemnify Bank against all losses, claims, demands,
liabilities and expenses of every kind caused by property subject hereto; (iii)
to pay all costs and expenses, including reasonable attorneys' fees, incurred by
Bank in the perfection and preservation of the Collateral or Bank's interest
therein and/or the realization, enforcement and exercise of Bank's rights,
powers and remedies hereunder; (iv) to permit Bank to exercise its powers; (v)
to execute and deliver such documents as Bank deems necessary to create, perfect
and continue the security interests contemplated hereby; and (vi) not to change
its name, and as applicable, its chief executive office, its principal residence
or the jurisdiction in which it is organized and/or registered without giving
Bank prior written notice thereof; (vii) not to change its chief place of
business or the places where Debtor keeps any of the Collateral or Debtor's
records concerning the Collateral and Proceeds without first giving Bank written
notice of the address to which Debtor is moving same; and (viii) to cooperate
with Bank in perfecting all security interests granted herein and in obtaining
such agreements from third parties as Bank deems necessary, proper or convenient
or in connection with the preservation, perfection or enforcement of any of its
rights hereunder.

         (b) Debtor agrees with regard to the Collateral and Proceeds, unless
Bank agrees otherwise in writing: (i) that Bank is authorized to file financing
statements in the name of Debtor to perfect Bank's security interest in
Collateral and Proceeds; (ii) where applicable, to insure the Collateral with
Bank as loss payee, in form, substance and amounts, under agreements, against
risks and liabilities, and with insurance companies satisfactory to Bank; (iii)
where applicable, to operate the Collateral in accordance with all applicable
statutes, rules and regulations relating to the use and control thereof, and not
to use any Collateral for any unlawful purpose or in any way that would void any
insurance required to be carried in connection therewith; (iv) not to remove the
Collateral from Debtor's premises, except (A) for deliveries to buyers in the
ordinary course of Debtor's business and (B) Collateral which consists of mobile
goods as defined in the Texas Business and Commerce Code, the New Mexico Uniform
Commercial Code, the Colorado Uniform Commercial Code, or the Utah Uniform
Commercial Code, in which case Debtor agrees not to remove or permit the removal
of such Collateral from its state of domicile for a period in excess of thirty
(30) calendar days; (v) to pay when due all license fees, registration fees and
other charges in connection with any Collateral; (vi) not to permit any lien on

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the Collateral or Proceeds, including without limitation, liens arising from
repairs to or storage of the Collateral, except in favor of Bank, Wells Fargo
Energy Capital, Inc. (which shall be a second lien behind Bank's lien), or Wells
Fargo Equipment Finance, Inc. (which shall be a third lien behind Bank's lien);
(vii) not to sell, hypothecate or dispose of, nor permit the transfer by
operation of law of, any of the Collateral or Proceeds or any interest therein,
except sales of inventory to buyers in the ordinary course of Debtor's business;
(viii) to permit Bank to inspect the Collateral at any time; (ix) to keep, in
accordance with generally accepted accounting principles, complete and accurate
records regarding all Collateral and Proceeds, and to permit Bank to inspect the
same and make copies thereof at any reasonable time; (x) if requested by Bank,
to receive and use reasonable diligence to collect Collateral consisting of
accounts and other rights to payment and Proceeds, in trust and as the property
of Bank, and to immediately endorse as appropriate and deliver such Collateral
and Proceeds to Bank daily in the exact form in which they are received together
with a collection report in form satisfactory to Bank; (xi) not to commingle
Collateral or Proceeds, or collections thereunder, with other property; (xii) to
give only normal allowances and credits and to advise Bank thereof immediately
in writing if they affect any rights to payment or Proceeds in any material
respect; (xiii) from time to time, when requested by Bank, to prepare and
deliver a schedule of all Collateral and Proceeds subject to this Agreement and
to assign in writing and deliver to Bank all accounts, contracts, leases and
other chattel paper, instruments, documents and other evidences thereof; (xiv)
in the event Bank elects to receive payments of rights to payment or Proceeds
hereunder, to pay all expenses incurred by Bank in connection therewith,
including expenses of accounting, correspondence, collection efforts, reporting
to account or contract debtors, filing, recording, record keeping and expenses
incidental thereto; and (xv) to provide any service and do any other acts which
may be necessary to maintain, preserve and protect all Collateral and, as
appropriate and applicable, to keep all Collateral in good and saleable
condition, to deal with the Collateral in accordance with the standards and
practices adhered to generally by users and manufacturers of like property, and
to keep all Collateral and Proceeds free and clear of all defenses, rights of
offset and counterclaims.

         7. POWERS OF BANK. Debtor appoints Bank its true attorney in fact to
perform any of the following powers, which are coupled with an interest, are
irrevocable until termination of this Agreement and may be exercised from time
to time by Bank's officers and employees, or any of them, whether or not Debtor
is in default: (a) to perform any obligation of Debtor hereunder in Debtor's
name or otherwise; (b) to give notice to account debtors or others of Bank's
rights in the Collateral and Proceeds, to enforce or forebear from enforcing the
same and make extension and modification agreements with respect thereto; (c) to
release persons liable on Collateral or Proceeds and to give receipts and
acquittances and compromise disputes in connection therewith; (d) to release or
substitute security; (e) to resort to security in any order; (f) to prepare,
execute, file, record or deliver notes, assignments, schedules, designation
statements, financing statements, continuation statements, termination
statements, statements of assignment, applications for registration or like
papers to perfect, preserve or release Bank's interest in the Collateral and
Proceeds; (g) to receive, open and read mail addressed to Debtor; (h) to take
cash, instruments for the payment of money and other property to which Bank is
entitled; (i) to verify facts concerning the Collateral and Proceeds by inquiry
of obligors thereon, or otherwise, in its own name or a fictitious name; (j) to
endorse, collect, deliver and receive payment under instruments for the payment
of money constituting or relating to Proceeds; (k) to prepare, adjust, execute,

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deliver and receive payment under insurance claims, and to collect and receive
payment of and endorse any instrument in payment of loss or returned premiums or
any other insurance refund or return, and to apply such amounts received by
Bank, at Bank's sole option, toward repayment of the Indebtedness or, where
appropriate, replacement of the Collateral; (l) to exercise all rights, powers
and remedies which Debtor would have, but for this Agreement, with respect to
all Collateral and Proceeds subject hereto; (m) to enter onto Debtor's premises
in inspecting the Collateral; (n) to make withdrawals from and to close deposit
accounts or other accounts with any financial institution, wherever located,
into which Proceeds may have been deposited, and to apply funds so withdrawn to
payment of the Indebtedness; (o) to preserve or release the interest evidenced
by chattel paper to which Bank is entitled hereunder and to endorse and deliver
any evidence of title incidental thereto; and (p) to do all acts and things and
execute all documents in the name of Debtor or otherwise, deemed by Bank as
necessary, proper and convenient in connection with the preservation, perfection
or enforcement of its rights hereunder.

         8. PAYMENT OF PREMIUMS, TAXES, CHARGES, LIENS AND ASSESSMENTS. Debtor
agrees to pay, prior to delinquency, all insurance premiums, taxes, charges,
liens and assessments against the Collateral and Proceeds, and upon the failure
of Debtor to do so, Bank at its option may pay any of them and shall be the sole
judge of the legality or validity thereof and the amount necessary to discharge
the same. Any such payments made by Bank shall be obligations of Debtor to Bank,
due and payable immediately upon demand, together with interest at a rate
determined in accordance with the provisions of Section 15 hereof, and shall be
secured by the Collateral and Proceeds, subject to all terms and conditions of
this Agreement.

         9. EVENTS OF DEFAULT. The occurrence of any of the following shall
constitute an "Event of Default" under this Agreement: (a) any default in the
payment or performance of any of the Indebtedness, or any obligation, or any
defined event of default, under (i) any contract or instrument evidencing any
Indebtedness, including without limitation, the Notes, or (ii) any other
agreement between Debtor and Bank, including without limitation any loan
agreement, relating to or executed in connection with any Indebtedness,
including without limitation the Credit Agreement; (b) any representation or
warranty made by Debtor herein shall prove to be incorrect, false or misleading
in any material respect when made; (c) Debtor shall fail to observe or perform
any obligation or agreement contained herein; (d) any impairment of the rights
of Bank in any Collateral or Proceeds, or any attachment or like levy on any
property of Debtor; and (e) Bank, in good faith, believes any or all of the
Collateral and/or Proceeds to be in danger of misuse, dissipation, commingling,
loss, theft, damage or destruction, or otherwise in jeopardy or unsatisfactory
in character or value.

         10. REMEDIES. Upon the occurrence of any Event of Default, Bank shall
have the right to declare immediately due and payable all or any Indebtedness
secured hereby and to terminate any commitments to make loans or otherwise
extend credit to Debtor. Bank shall have all other rights, powers, privileges
and remedies granted to a secured party upon default under the Texas Business
and Commerce Code (with respect to Collateral located within the State of
Texas), the Utah Uniform Commercial Code (with respect to Collateral located
within the State of Utah), the Colorado Uniform Commercial Code (with respect to
Collateral located within the State of Colorado), and/or the New Mexico Uniform

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Commercial Code (with respect to Collateral located within the State of New
Mexico) or as otherwise provided by law, including without limitation, the right
(a) to contact all persons obligated to Debtor on any Collateral or Proceeds and
to instruct such persons to deliver all Collateral and/or Proceeds directly to
Bank, and (b) to sell, lease, license or otherwise dispose of any or all
Collateral. All rights, powers, privileges and remedies of Bank shall be
cumulative. No delay, failure or discontinuance of Bank in exercising any right,
power, privilege or remedy hereunder shall affect or operate as a waiver of such
right, power, privilege or remedy; nor shall any single or partial exercise of
any such right, power, privilege or remedy preclude, waive or otherwise affect
any other or further exercise thereof or the exercise of any other right, power,
privilege or remedy. Any waiver, permit, consent or approval of any kind by Bank
of any default hereunder, or any such waiver of any provisions or conditions
hereof, must be in writing and shall be effective only to the extent set forth
in writing. It is agreed that public or private sales or other dispositions, for
cash or on credit, to a wholesaler or retailer or investor, or user of property
of the types subject to this Agreement, or public auctions, are all commercially
reasonable since differences in the sales prices generally realized in the
different kinds of dispositions are ordinarily offset by the differences in the
costs and credit risks of such dispositions. While an Event of Default exists:
(a) Debtor will deliver to Bank from time to time, as requested by Bank, current
lists of all Collateral and Proceeds; (b) Debtor will not dispose of any of the
Collateral or Proceeds except on terms approved by Bank; (c) at Bank's request,
Debtor will assemble and deliver all Collateral and Proceeds, and books and
records pertaining thereto, to Bank at a reasonably convenient place designated
by Bank; and (d) Bank may, without notice to Debtor, enter onto Debtor's
premises and take possession of the Collateral. With respect to any sale by Bank
of any Collateral subject to this Agreement, Debtor hereby expressly grants to
Bank the right to sell such Collateral using any or all of Debtor's trademarks,
trade names, trade name rights and/or proprietary labels or marks. Debtor
further agrees that Bank shall have no obligation to process or prepare any
Collateral for sale or other disposition.

         11. DISPOSITION OF COLLATERAL AND PROCEEDS; TRANSFER OF INDEBTEDNESS.
In disposing of Collateral hereunder, Bank may disclaim all warranties of title,
possession, quiet enjoyment and the like. Any proceeds of any disposition of any
Collateral or Proceeds, or any part thereof, may be applied by Bank to the
payment of expenses incurred by Bank in connection with the foregoing, including
reasonable attorneys' fees, and the balance of such proceeds may be applied by
Bank toward the payment of the Indebtedness in such order of application as Bank
may from time to time elect. Upon the transfer of all or any part of the
Indebtedness, Bank may transfer all or any part of the Collateral or Proceeds
and shall be fully discharged thereafter from all liability and responsibility
with respect to any of the foregoing so transferred, and the transferee shall be
vested with all rights and powers of Bank hereunder with respect to any of the
foregoing so transferred; but with respect to any Collateral or Proceeds not so
transferred, Bank shall retain all rights, powers, privileges and remedies
herein given.

         12. STATUTE OF LIMITATIONS. Until all Indebtedness shall have been paid
in full and all commitments by Bank to extend credit to Debtor have been
terminated, the power of sale or other disposition and all other rights, powers,
privileges and remedies granted to Bank hereunder shall continue to exist and
may be exercised by Bank at any time and from time to time irrespective of the
fact that the Indebtedness or any part thereof may have become barred by any
statute of limitations, or that the personal liability of Debtor may have
ceased, unless such liability shall have ceased due to the payment in full of
all Indebtedness secured hereunder.

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         13. MISCELLANEOUS. Debtor hereby waives any benefit of or right to
participate in any of the Collateral or Proceeds or any other security now or
hereafter held by Bank. Debtor hereby waives any right to require Bank to (a)
perform any obligation of Debtor with respect to any Collateral or Proceeds, (b)
make any presentment or demand, or give any notices of any kind, including
without limitation any notice of nonpayment or nonperformance, protest, notice
of protest, notice of dishonor, notice of intention to accelerate or notice of
acceleration hereunder or in connection with any Collateral or Proceeds. Debtor
further waives any right (a) to direct the application of payments or security
for any Indebtedness of Debtor, or indebtedness of customers of Debtor, or (b)
to require proceedings against others or to require exhaustion of security.
Debtor hereby consents to extensions, forbearances or alterations of the terms
of Indebtedness, the release or substitution of security, and the release of any
guarantors. Until all Indebtedness shall have been paid in full, Debtor shall
not have any right of subrogation or contribution, and Debtor hereby waives any
benefit of or right to participate in any of the Collateral or Proceeds or any
other security now or hereafter held by Bank. Unless otherwise prohibited by
law, any requirement of reasonable notice to Debtor with respect to the sale or
other disposition of Collateral shall be met if such notice is given pursuant to
the requirements of Section 14 hereof at least 5 days before the date of any
public disposition or the date after which any private sale or other disposition
will be made.

         14. NOTICES. All notices, requests and demands required under this
Agreement must be in writing, addressed to Bank at the address specified in any
other loan documents entered into between Debtor and Bank and to Debtor at the
address of its chief executive office (or principal residence, if applicable)
specified below or to such other address as any party may designate by written
notice to each other party, and shall be deemed to have been given or made as
follows: (a) if personally delivered, upon delivery; (b) if sent by mail, upon
the earlier of the date of receipt or three (3) days after deposit in the U.S.
mail, first class and postage prepaid; and (c) if sent by telecopy, upon
receipt.

         15. COSTS, EXPENSES AND ATTORNEYS' FEES. Debtor shall pay to Bank
immediately upon demand the full amount of all payments, advances, charges,
costs and expenses, including reasonable attorneys' fees (to include outside
counsel fees and all allocated costs of Bank's in-house counsel to the extent
permissible), incurred by Bank in exercising any right, power, privilege or
remedy conferred by this Agreement or in the enforcement thereof, whether
incurred at the trial or appellate level, in an arbitration proceeding or
otherwise, and including any of the foregoing incurred in connection with any
bankruptcy proceeding (including without limitation, any adversary proceeding,
contested matter or motion brought by Bank or any other person) relating to
Debtor or in any way affecting any of the Collateral or Bank's ability to
exercise any of its rights or remedies with respect thereto. All of the
foregoing shall be paid by Debtor from the date of demand to the date paid in
full with interest at the maximum rate permitted by applicable law.

         16. SUCCESSORS; ASSIGNS; AMENDMENT. This Agreement shall be binding
upon and inure to the benefit of the heirs, executors, administrators, legal
representatives, successors and assigns of the parties, and may be amended or
modified only in writing signed by Bank and Debtor.

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         17. SEVERABILITY OF PROVISIONS. If any provision of this Agreement
shall be held to be prohibited by or invalid under applicable law, such
provision shall be ineffective only to the extent of such prohibition or
invalidity, without invalidating the remainder of such provision or any
remaining provisions of this Agreement.

         18. GOVERNING LAW. Unless otherwise provided herein, this Agreement
shall be governed by and construed in accordance with the laws of the State of
Texas.

         19. SUBMISSION TO JURISDICTION.

         (a) ANY LEGAL ACTION OR PROCEEDING WITH RESPECT TO THIS AGREEMENT SHALL
BE BROUGHT IN THE COURTS OF THE STATE OF TEXAS OR OF THE UNITED STATES OF
AMERICA FOR THE SOUTHERN DISTRICT OF TEXAS, AND, BY EXECUTION AND DELIVERY OF
THIS AGREEMENT, DEBTOR HEREBY ACCEPTS FOR ITSELF AND (TO THE EXTENT PERMITTED BY
LAW) IN RESPECT OF THE COLLATERAL, GENERALLY AND UNCONDITIONALLY, THE
JURISDICTION OF THE AFORESAID COURTS. DEBTOR HEREBY IRREVOCABLY WAIVES ANY
OBJECTION, INCLUDING, WITHOUT LIMITATION, ANY OBJECTION TO THE LAYING OF VENUE
OR BASED ON THE GROUNDS OF FORUM NON CONVENIENS, WHICH IT MAY NOW OR HEREAFTER
HAVE TO THE BRINGING OF ANY SUCH ACTION OR PROCEEDING IN SUCH RESPECTIVE
JURISDICTIONS. THIS SUBMISSION TO JURISDICTION IS NON-EXCLUSIVE AND DOES NOT
PRECLUDE BANK FROM OBTAINING JURISDICTION OVER DEBTOR IN ANY COURT OTHERWISE
HAVING JURISDICTION.

         (b) DEBTOR HEREBY IRREVOCABLY CONSENTS TO THE SERVICE OF PROCESS OF ANY
OF THE AFOREMENTIONED COURTS IN ANY SUCH ACTION OR PROCEEDING BY THE MAILING OF
COPIES THEREOF BY REGISTERED OR CERTIFIED MAIL, POSTAGE PREPAID, TO DEBTOR AT
ITS SAID ADDRESS, SUCH SERVICE TO BECOME EFFECTIVE THIRTY (30) DAYS AFTER SUCH
MAILING. NOTHING HEREIN SHALL AFFECT THE RIGHT OF BANK TO SERVE PROCESS IN ANY
OTHER MANNER PERMITTED BY LAW OR TO COMMENCE LEGAL PROCEEDINGS OR OTHERWISE
PROCEED AGAINST DEBTOR OR THE COLLATERAL IN ANY OTHER JURISDICTION.

         18. WAIVER OF JURY TRIAL. To the fullest extent permitted by applicable
law, Debtor hereby irrevocably and expressly waives all right to a trial by jury
in any action, proceeding, or counterclaim (whether based upon contract, tort or
otherwise) arising out of or relating to this agreement or the transactions
contemplated thereby or the actions of Bank in the negotiation, administration
or enforcement thereof.

         Debtor warrants that its chief executive office (or principal
residence, if applicable) is located at the following address: 2466 Commerce
Blvd., Grand Junction, CO 81505.

         Debtor warrants that the Collateral (except goods in transit) is
located or domiciled at the following additional addresses: 1110 West Sategna,
Bloomfield, New Mexico, 87413.

         This Ratification of Previously Executed Security Agreement
supplements, amends, modifies, supersedes, and restates in its entirety all of
the terms, provisions, and conditions of the Security Agreement. None of the
rights, titles, and interests existing or to exist under the Security Agreement
or any subsequent supplements, modifications, or amendments are hereby released,
diminished, or impaired. The liens, privileges, and priorities created and
existing under the Security Agreement and all subsequent supplements,
amendments, and modifications are hereby renewed, extended, and carried forward

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as security for the payment of said Indebtedness, as amended hereby, and Debtor
reaffirms all covenants, representations, and warranties made in the Security
Agreement and all supplements, amendments, and modifications thereto. The
Security Agreement secures all of the Indebtedness herein described or referred
to as if reference to the Indebtedness was fully made in the Security Agreement
and all amendments, supplements, and modifications thereto.

                                      -10-
<PAGE>

         IN WITNESS WHEREOF, this Agreement has been duly executed as of August
9, 2001.

                                              MOUNTAIN COMPRESSED AIR, INC.,
                                              a Texas corporation

                                              By:/S/ MUNAWAR H. HIDAYATALLAH
                                                 ------------------------------
                                              Name: Munawar H. Hidayatallah
                                              Title: Chief Executive Officer

                                       S-1

<PAGE>

                                  Exhibit "B"<PAGE>

                                                                   EXHIBIT 10.30

                    SUBORDINATION AND INTERCREDITOR AGREEMENT

         THIS SUBORDINATION AND INTERCREDITOR AGREEMENT (as amended,
supplemented, restated or otherwise modified, the "Agreement") is entered into
by and among MOUNTAIN COMPRESSED AIR, INC., a Texas corporation ("Borrower"),
WELLS FARGO BANK TEXAS, NATIONAL ASSOCIATION ("Senior Lender"),WELLS FARGO
ENERGY CAPITAL, INC. ("WFEnergy"), and WELLS FARGO EQUIPMENT FINANCE, INC.
("WFFinance"; WFEnergy and WFFinance are, individually and collectively,
referred toherein as "Junior Creditor").

                                    RECITALS

         A. Borrower is indebted to Junior Creditor, and Borrower proposes to
obtain credit or has obtained credit from Senior Lender; and

         B. Senior Lender has indicated that it will extend or continue
extending credit to Borrower if certain conditions are met, including without
limitation, the requirement that Junior Creditor execute this Agreement.

         NOW, THEREFORE, as an inducement to Senior Lender to extend or continue
extending credit and for other valuable consideration, the parties hereto agree
as follows:

         1. INDEBTEDNESS SUBORDINATED. Junior Creditor subordinates all
Indebtedness now or at any time hereafter owing from Borrower to Junior Creditor
(including without limitation, interest thereon which may accrue subsequent to
Borrower becoming subject to any state or federal debtor-relief statute)
including, without limitation, (i) that certain $2,000,000.00 secured promissory
note (the "Junior Note") dated as of February 6, 2001, as amended under Second
Amendment to Credit Agreement between Borrower and WFEnergy dated as of February
1, 2003, executed by Borrower and payable to WFEnergy, or its order, (ii) that
certain Warrant and Warrant Purchase Agreement between Borrower and WFEnergy
dated as of February 6, 2001, (the "Warrant"), and (iii) pursuant to that
certain Master Lease dated as of January 31, 2001 between Borrower and WFFinance
(the "Lease"; the Junior Note, the Warrant and the Lease collectively referred
to herein as the "Junior Debt") to all Indebtedness from Borrower to Senior
Lender pursuant to that certain Credit Agreement dated as of February 6, 2001,
(the "Original Agreement"), as amended by that certain First Amendment to Credit
Agreement dated as of August 9, 2001 (the "First Amendment"), as amended by that
certain Second Amendment to Credit Agreement dated as of November 30, 2001 (the
"Second Amendment"), as amended by that certain Third Amendment to Credit
Agreement dated as of January 31, 2002 (the "Third Amendment"), as amended by
that certain Fourth Amendment to Credit Agreement dated as of April 30, 2002
(the "Fourth Amendment"), as amended by that certain Fifth Amendment to Credit
Agreement dated as of August 6, 2002 (the "Fifth Amendment"), as amended by that
certain Sixth Amendment dated of even date herewith (the "Sixth Amendment"),
between Borrower and Senior Lender, including, without limitation, that certain
(i) Renewal Term Note dated of even date herewith, in the amount of
$2,392,098.56, (ii) Renewal Delayed Draw Term Note dated of even date herewith,
in the amount of $160,118.50, and (iii) Renewed and Extended Revolving Line of

                                       1
<PAGE>

Credit Note dated of even date herewith, in the amount of $500,000.00 (the
"Revolver Note"), all executed by Borrower and payable to the order of Senior
Lender; and all renewals, extensions, rearrangements, modifications, and/or
amendments of any and all of the aforesaid notes payable to the order of Senior
Lender up through January 31, 2004, but not any increases thereof (collectively,
the "Senior Debt"). Junior Creditor irrevocably consents and directs that all
Senior Debt shall be paid in full prior to Borrower making any payment on any
Junior Debt except such payments as are expressly permitted by Section 3 of this
Agreement. Junior Creditor will, and Senior Lender is authorized in the name of
Junior Creditor from time to time to, execute and file such financing statements
and other documents as Senior Lender may require in order to give notice to
other persons and entities of the terms and provisions of this Agreement.

         2. INDEBTEDNESS DEFINED. The word "Indebtedness" includes any and all
principal, interest, fees and expenses of Borrower incurred or created, whether
voluntary or involuntary and however arising, whether due or not due, absolute
or contingent, liquidated or unliquidated, determined or undetermined, and
whether Borrower may be liable individually or jointly with others.

         3. RESTRICTION OF PAYMENT OF JUNIOR DEBT; DISPOSITION OF PAYMENTS
RECEIVED BY JUNIOR CREDITOR. Until the Senior Debt has been paid in full and
this Agreement has been terminated in writing by all the parties hereto,
Borrower will not make, and Junior Creditor will not accept or receive, any
payment or benefit in cash, by setoff or otherwise, directly or indirectly, on
account of principal, interest or any other amounts owing on any Junior Debt,
except such payments as are expressly permitted herein. Borrower is permitted to
make and Junior Creditor to receive all scheduled payments of principal and
interest on the Junior Note and rental payments under the Lease; provided
however, that (a) Borrower shall not make, nor Junior Creditor receive, any
prepayment or accelerated payment on the Junior Note or the Lease, and (b) no
payment of principal or interest on the Junior Note or rental payment under the
Lease shall be made by Borrower, or received by Junior Creditor, after written
notice from Senior Lender to Junior Creditor that a default, or any condition,
event or act which with the giving of notice or the passage of time or both
would constitute a default, has occurred under the terms of any Senior Debt for
a period (each a "Blockage Period") commencing on the date of receipt of such
notice and ending on the earlier of (i) the date such default shall have been
cured or waived in writing by Senior Lender in its sole discretion, and (ii) the
date sixty (60) days from the date of receipt of such notice. Furthermore,
during any Blockage Period, except as otherwise provided in the last sentence of
this Section 3 with respect to WFFinance, Junior Creditor will not take any
action or initiate any proceedings, judicial or otherwise, (i) to enforce Junior
Creditor's rights or remedies with respect to any Junior Debt, including without
limitation, any action to enforce any rights or remedies under the Lease or with
respect to any collateral securing any Junior Debt or (ii) to obtain any
judgment or prejudgment remedy against Borrower or any such collateral. The
Senior Lender shall not have the right to exercise more than two Blockage
Periods hereunder; provided, however, the exercise of each such Blockage Period
may not be in connection with the same default. If any payment is made in
violation of this Agreement, Junior Creditor shall promptly deliver the same to
Senior Lender in the form received, with any endorsement or assignment necessary
for the transfer of such payment or amounts setoff from Junior Creditor to
Senior Lender, to be either (in Senior Lender's sole discretion) held as cash
collateral securing the Senior Debt or applied in reduction of the Senior Debt
in such order as Senior Lender shall determine, and until so delivered, Junior
Creditor shall hold such payment in trust for and on behalf of, and as the
property of, Senior Lender. Notwithstanding the foregoing, nothing contained
herein shall prohibit or preclude WFFinance from applying all or a part of the
cash security deposit held by it to amounts due under the Lease, including
amounts due during a Blockage Period.

                                       2
<PAGE>

         4. DISPOSITION OF EVIDENCE OF INDEBTEDNESS. If there is any existing
promissory note or other evidence of any of the Junior Debt, including the
Junior Note and the Lease, or if any promissory note or other evidence of
Indebtedness is executed at any time hereafter with respect thereto, and if
there are any financing statements now or hereafter executed, relating to the
Collateral and any security interests securing the Junior Debt, then Borrower
and Junior Creditor will mark the same with a legend, inform and substance
satisfactory to Senior Lender, stating that it is subject to this Agreement, and
if asked to do so, will deliver the same to Senior Lender. Junior Creditor shall
not, without Senior Lender's prior written consent, assign, transfer,
hypothecate or otherwise dispose of any claim it now has or may at any time
hereafter have against Borrower at any time that any Senior Debt remains
outstanding and/or Senior Lender remains committed to extend any credit to
Borrower.

         5. SUBORDINATION OF LIENS AND SECURITY INTERESTS. The parties hereby
agree that Senior Lender shall have a first priority security interest in the
Collateral, WFEnergy shall have a second priority security interest in the
Collateral, and WFFinance shall have a third priority Security interest in the
Collateral (the "Lien Priority"). Irrespective of the order of recording of
financing statements, security agreements or other instruments, and irrespective
of the descriptions of collateral contained in any such documents, the parties
agree among themselves that their respective security interests in the
Collateral shall be governed by the Lien Priority, which shall be controlling in
the event of any conflict between this Agreement and any other documents.
"Collateral" as used in this Agreement means (i) all personal property of every
type now owned or hereafter acquired by Borrower, including, without limitation,
all equipment, accounts, inventory and general intangibles, but specifically
excluding all property set forth on Exhibit A attached hereto, and (ii) all of
the common stock of Borrower pledged by OilQuip Rentals, Inc. under that certain
General Pledge Agreement dated February 6, 2001, between OilQuip Rentals, Inc.,
as Pledgor, and Senior Lender, as Lender.

         6. NOTICE OF DEFAULT UNDER JUNIOR DEBT. WFEnergy, with respect to the
Junior Note, and WFFinance, with respect to the Lease, shall provide Senior
Lender with written notice of any default under the Junior Note and Lease,
respectively, and allow Senior Lender 10 days to cure such default (but Senior
Lender shall not be obligated to cure such default) or deliver notice to the
Junior Creditor pursuant to Section 3 of the commencement of a Blockage Period
prior to exercising any rights or remedies the Junior Creditor may have pursuant
to the Junior Note, the Lease, at law or in equity; provided, however, the
obligation to provide such notice prior to exercise of any rights or remedies
shall not apply to a default resulting from any voluntary or involuntary
bankruptcy of the Borrower that causes automatic acceleration of the Junior
Debt.

         7. REPRESENTATIONS AND WARRANTIES; INFORMATION. Borrower and
Junior Creditor represent and warrant to Senior Lender that: (a) no interest in
the Junior Debt has been assigned or otherwise transferred to any person or
entity; (b) payment of the Junior Debt has not been heretofore subordinated to
any other creditor of Borrower; and (c) Junior Creditor has the requisite power
and authority to enter into and perform its obligations under this Agreement.
Junior Creditor further represents and warrants to Senior Lender that Junior
Creditor has established adequate, independent means of obtaining from Borrower
on a continuing basis financial and other information pertaining to Borrower's
financial condition. Junior Creditor agrees to keep adequately informed from
such means of any facts, events or circumstances which might in any way affect
Junior Creditor's risks hereunder, and Junior Creditor agrees that Senior Lender

                                       3
<PAGE>

shall have no obligation to disclose to Junior Creditor information or material
about Borrower which is acquired by Senior Lender in any manner. Senior Lender
may, at Senior Lender's sole option and without obligation to do so, disclose to
Junior Creditor any information or material relating to Borrower which is
acquired by Senior Lender by any means, and Borrower hereby agrees to and
authorizes any such disclosure by Senior Lender.

         8. TRANSFER OF ASSETS OR REORGANIZATION OF BORROWER. If any
petition is filed or any proceeding is instituted by or against Borrower under
any provisions of the Bankruptcy Reform Act, Title 11 of the United States Code,
or any other or similar law relating to bankruptcy, insolvency, reorganization
or other relief for debtors, or generally affecting creditors' rights, or
seeking the appointment of a receiver, trustee, custodian or liquidator of or
for Borrower or any of its assets, any payment or distribution of any of
Borrower's assets, whether in cash, securities or any other property, which
would be payable or deliverable with respect to any Junior Debt, shall be paid
or delivered to Senior Lender until all Senior Debt is paid in full. Junior
Creditor grants to Senior Lender the right to enforce, collect and receive any
such payment or distribution and to give releases or acquittances therefor, and
Junior Creditor authorizes Senior Lender as its attorney-in-fact to vote and
prove the Junior Debt in any of the above-described proceedings or in any
meeting of creditors of Borrower relating thereto.

         9. OTHER AGREEMENTS; NO THIRD PARTY BENEFICIARIES. Senior
Lender shall have no direct or indirect obligations to Junior Creditor of any
kind with respect to the manner or time in which Senior Lender exercises (or
refrains from exercising) any of its rights or remedies with respect to the
Senior Debt, Borrower or any of Borrower's assets. Junior Creditor understands
that there may be various agreements between Senior Lender and Borrower
evidencing and governing the Senior Debt, and Junior Creditor acknowledges and
agrees that such agreements are not intended to confer any benefits on Junior
Creditor. Junior Creditor further acknowledges that Senior Lender may administer
the Senior Debt and any of Senior Lender's agreements with Borrower in any way
Senior Lender deems appropriate, without regard to Junior Creditor or the Junior
Debt. Junior Creditor waives any right Junior Creditor might otherwise have to
require a marshalling of any security held by Senior Lender for all or any part
of the Senior Debt or to direct or affect the manner or timing with which Senior
Lender enforces any of its security. Nothing in this Agreement shall impair or
adversely affect any right, privilege, power or remedy of Senior Lender with
respect to the Senior Debt, Borrower or any assets of Borrower, including
without limitation, Senior Lender's right to: (a) waive, or release any of
Senior Lender's security or rights; (b) waive or ignore any defaults by
Borrower; and/or (c) restructure, renew, modify or supplement the Senior Debt,
or any portion thereof, or any agreement with Borrower relating to any Senior
Debt; provided, however, that Junior Creditor's subordination shall only apply
to the Senior Debt as provided in Section 1 hereof. All rights, privileges,
powers and remedies of Senior Lender may be exercised from time to time by
Senior Lender without notice to or consent of Junior Creditor.

         10. BREACH OF AGREEMENT BY BORROWER OR JUNIOR CREDITOR. In
the event of any breach of this Agreement by Borrower or Junior Creditor, then
and at any time thereafter for so long as such breach is continuing Senior
Lender shall have the right to declare immediately due and payable all or any
portion of the Senior Debt without presentment, demand, or any other notices of
any kind, including without limitation notice of nonperformance, protest, notice
of protest, notice of dishonor, notice of intention to accelerate or notice of
acceleration, all of which are expressly waived by Borrower and Junior Creditor.

                                       4
<PAGE>

No delay, failure or discontinuance of Senior Lender in exercising any right,
privilege, power or remedy hereunder shall affect or operate as a waiver of such
right, privilege, power or remedy; nor shall any single or partial exercise of
any such right, privilege, power or remedy preclude, waive or otherwise affect
any other or further exercise thereof or the exercise of any other right,
privilege, power or remedy. Any waiver, permit, consent or approval of any kind
by Senior Lender with respect to this Agreement must be in writing and shall be
effective only to the extent set forth in writing.

         11. COSTS, EXPENSES AND ATTORNEYS' FEES. If any party hereto institutes
any arbitration or judicial or administrative action or proceeding to enforce
any provisions of this Agreement, or alleging any breach of any provision hereof
or seeking damages or any remedy, the losing party or parties shall pay to the
prevailing party or parties all costs and expenses, including reasonable
attorneys' fees (to include outside counsel fees), expended or incurred by the
prevailing party or parties in connection therewith, whether incurred at the
trial or appellate level, in an arbitration proceeding or otherwise, and
including any of the foregoing incurred in connection with any bankruptcy
proceeding (including without limitation, any adversary proceeding, contested
matter or motion brought by Senior Lender or any other person) relating to
Borrower, Junior Creditor or any other person or entity.

         12. SUCCESSORS; ASSIGNS; AMENDMENT; COUNTERPARTS. This
Agreement shall be binding upon and inure to the benefit of the heirs,
executors, administrators, legal representatives, successors and assigns of the
parties. This Agreement may be amended or modified only in writing signed by all
parties hereto. This Agreement may be executed in one or more counterparts, each
of which when so executed shall be deemed to be an original, but all of which
when taken together shall constitute one and the same instrument.

         13. CONSTRUCTION. All words used herein in the singular shall be deemed
to have been used in the plural where the context so requires.

         14. SEVERABILITY OF PROVISIONS. If any provision of this Agreement
shall be held to be prohibited by or invalid under applicable law, such
provision shall be ineffective only to the extent of such prohibition or
invalidity, without invalidating the remainder of such waiver or other provision
or any remaining provisions of this Agreement.

         15. GOVERNING LAW. This Agreement shall be governed by and construed in
accordance with the laws of the State of Texas.

         16. WAIVER OF JURY TRIAL. TO THE FULLEST EXTENT PERMITTED BY APPLICABLE
LAW, BORROWER, JUNIOR CREDITOR AND SENIOR LENDER HEREBY IRREVOCABLY AND
EXPRESSLY WAIVE ALL RIGHT TO A TRIAL BY JURY IN ANY ACTION, PROCEEDING, OR
COUNTERCLAIM (WHETHER BASED UPON CONTRACT, TORT, OR OTHERWISE) ARISING OUT OF OR
RELATING TO THIS AGREEMENT OR THE TRANSACTIONS CONTEMPLATED THEREBY OR THE
ACTIONS OF SENIOR LENDER IN THE NEGOTIATION, ADMINISTRATION, OR ENFORCEMENT
THEREOF.

         17. ARBITRATION.

                                       5
<PAGE>

         (a) ARBITRATION. The parties hereto agree, upon demand by any party, to
submit to binding arbitration all claims, disputes and controversies between or
among them (and their respective employees, officers, directors, attorneys, and
other agents), whether in tort, contract or otherwise arising out of or relating
to in any way (i) the loan and related loan and security documents which are the
subject of this Agreement and its negotiation, execution, collateralization,
administration, repayment, modification, extension, substitution, formation,
inducement, enforcement, default or termination; or (ii) requests for additional
credit.

         (b) GOVERNING RULES. Any arbitration proceeding will (i) proceed in a
location in Texas selected by the American Arbitration Association ("AAA"); (ii)
be governed by the Federal Arbitration Act (Title 9 of the United States Code),
notwithstanding any conflicting choice of law provision in any of the documents
between the parties; and (iii) be conducted by the AAA, or such other
administrator as the parties shall mutually agree upon, in accordance with the
AAA's commercial dispute resolution procedures, unless the claim or counterclaim
is at least $1,000,000.00 exclusive of claimed interest, arbitration fees and
costs in which case the arbitration shall be conducted in accordance with the
AAA's optional procedures for large, complex commercial disputes (the commercial
dispute resolution procedures or the optional procedures for large, complex
commercial disputes to be referred to, as applicable, as the "Rules"). If there
is any inconsistency between the terms hereof and the Rules, the terms and
procedures set forth herein shall control. Any party who fails or refuses to
submit to arbitration following a demand by any other party shall bear all costs
and expenses incurred by such other party in compelling arbitration of any
dispute. Nothing contained herein shall be deemed to be a waiver by any party
that is a bank of the protections afforded to it under 12 U.S.C. ss.91 or any
similar applicable state law.

         (c) NO WAIVER OF PROVISIONAL REMEDIES, SELF-HELP AND FORECLOSURE. The
arbitration requirement does not limit the right of any party to (i) foreclose
against real or personal property collateral; (ii) exercise self-help remedies
relating to collateral or proceeds of collateral such as setoff or repossession;
or (iii) obtain provisional or ancillary remedies such as replevin, injunctive
relief, attachment or the appointment of a receiver, before during or after the
pendency of any arbitration proceeding. This exclusion does not constitute a
waiver of the right or obligation of any party to submit any dispute to
arbitration or reference hereunder, including those arising from the exercise of
the actions detailed in sections (i), (ii) and (iii) of this paragraph.

         (d) ARBITRATOR QUALIFICATIONS AND POWERS. Any arbitration proceeding in
which the amount in controversy is $5,000,000.00 or less will be decided by a
single arbitrator selected according to the Rules, and who shall not render an
award of greater than $5,000,000.00. Any dispute in which the amount in
controversy exceeds $5,000,000.00 shall be decided by majority vote of a panel
of three arbitrators; provided however, that all three arbitrators must actively
participate in all hearings and deliberations. The arbitrator will be a neutral
attorney licensed in the State of Texas with a minimum of ten years experience
in the substantive law applicable to the subject matter of the dispute to be
arbitrated. The arbitrator will determine whether or not an issue is
arbitratable and will give effect to the statutes of limitation in determining
any claim. In any arbitration proceeding the arbitrator will decide (by
documents only or with a hearing at the arbitrator's discretion) any pre-hearing
motions which are similar to motions to dismiss for failure to state a claim or

                                       6
<PAGE>

motions for summary adjudication. The arbitrator shall resolve all disputes in
accordance with the substantive law of Texas and may grant any remedy or relief
that a court of such state could order or grant within the scope hereof and such
ancillary relief as is necessary to make effective any award. The arbitrator
shall also have the power to award recovery of all costs and fees, to impose
sanctions and to take such other action as the arbitrator deems necessary to the
same extent a judge could pursuant to the Federal Rules of Civil Procedure, the
Texas Rules of Civil Procedure or other applicable law. Judgment upon the award
rendered by the arbitrator may be entered in any court having jurisdiction. The
institution and maintenance of an action for judicial relief or pursuit of a
provisional or ancillary remedy shall not constitute a waiver of the right of
any party, including the plaintiff, to submit the controversy or claim to
arbitration if any other party contests such action for judicial relief.

         (e) DISCOVERY. In any arbitration proceeding discovery will be
permitted in accordance with the Rules. All discovery shall be expressly limited
to matters directly relevant to the dispute being arbitrated and must be
completed no later than 20 days before the hearing date and within 180 days of
the filing of the dispute with the AAA. Any requests for an extension of the
discovery periods, or any discovery disputes, will be subject to final
determination by the arbitrator upon a showing that the request for discovery is
essential for the party's presentation and that no alternative means for
obtaining information is available.

         (f) CLASS PROCEEDINGS AND CONSOLIDATIONS. The resolution of any dispute
arising pursuant to the terms of this Agreement shall be determined by a
separate arbitration proceeding and such dispute shall not be consolidated with
other disputes or included in any class proceeding.

         (g) PAYMENT OF ARBITRATION COSTS AND FEES. The arbitrator shall award
all costs and expenses of the arbitration proceeding.

         (h) MISCELLANEOUS. To the maximum extent practicable, the AAA, the
arbitrators and the parties shall take all action required to conclude any
arbitration proceeding within 180 days of the filing of the dispute with the
AAA. No arbitrator or other party to an arbitration proceeding may disclose the
existence, content or results thereof, except for disclosures of information by
a party required in the ordinary course of its business or by applicable law or
regulation. If more than one agreement for arbitration by or between the parties
potentially applies to a dispute, the arbitration provision most directly
related to the documents between the parties or the subject matter of the
dispute shall control. This arbitration provision shall survive termination,
amendment or expiration of any of the documents or any relationship between the
parties.

         NOTICES. All notices, requests and demands which any party is required
or may desire to give to any other party under any provision of this Agreement
must be in writing delivered to each party at the following address:

         BORROWER:                  MOUNTAIN COMPRESSED AIR, INC.
                                    2466 Commerce Blvd.
                                    Grand Junction, Colorado 81505

         JUNIOR
         CREDITOR:                  WELLS FARGO BANK EQUIPMENT FINANCE, INC.
                                    733 Marquette Avenue, Suite 700
                                    Minneapolis, Minnesota 55402

                                    WELLS FARGO ENERGY CAPITAL, INC.
                                    1000 Louisiana, Suite 600
                                    Houston, Texas 77002

                                       7
<PAGE>

         SENIOR LENDER:             WELLS FARGO BANK TEXAS, NATIONAL ASSOCIATION
                                    1000 Louisiana, 3rd Floor
                                    Houston, Texas 77002

or to such other address as any party may designate by written notice to all
other parties. Each such notice, request and demand shall be deemed given or
made as follows: (a) if sent by hand delivery, upon delivery; (b) if sent by
mail, upon the earlier of the date of receipt or three (3) days after deposit in
the U.S. mail, first class and postage prepaid; and (c) if sent by telecopy,
upon receipt.

         18. BORROWER'S ACKNOWLEDGEMENT AND CONSENT. Borrower herein executes
this Agreement to evidence its consent and acknowledgement of the terms and
provisions herein and agrees to be subject to the terms and conditions hereof.

         19. COUNTERPARTS. This Agreement may be executed in two or more
counterparts, and it shall not be necessary that the signatures of all parties
hereto be contained on any one counterpart hereof, each counterpart shall be
deemed an original, but all of which together shall constitute one and the same
instrument.

NOTICE: THIS DOCUMENT AND ALL OTHER DOCUMENTS RELATING TO THE INDEBTEDNESS
CONSTITUTE A WRITTEN LOAN AGREEMENT WHICH REPRESENTS THE FINAL AGREEMENT BETWEEN
THE PARTIES AND MAY NOT BE CONTRADICTED BY EVIDENCE OF PRIOR, CONTEMPORANEOUS OR
SUBSEQUENT ORAL AGREEMENTS OF THE PARTIES. THERE ARE NO UNWRITTEN ORAL
AGREEMENTS BETWEEN THE PARTIES RELATING TO THE INDEBTEDNESS.

                         [SIGNATURES BEGIN ON NEXT PAGE]

                                       8
<PAGE>

         IN WITNESS WHEREOF, the parties hereto have executed this Agreement as
of this 1 day of FJanuary, 2003.

BORROWER:

MOUNTAIN COMPRESSED AIR, INC.

By:      /S/ MUNAWAR HIDAYATALLAH
         -----------------------------------
Name:    MUNAWAR HIDAYATALLAH
         -----------------------------------
Title:   CHIEF EXECUTIVE OFFICER
         -----------------------------------

JUNIOR CREDITOR:

WELLS FARGO ENERGY CAPITAL, INC.

By:      /S/ CLAYTON TAYLOR
         -----------------------------------
Name:    CLAYTON TAYLOR
         -----------------------------------
Title:   ASSISTANT VICE PRESIDENT
         -----------------------------------

WELLS FARGO EQUIPMENT FINANCE, INC.

By:      /S/ DOUGLAS L. HEIN
         -----------------------------------
Name:    DOUGLAS L. HEIN
         -----------------------------------
Title:   VICE PRESIDENT
         -----------------------------------

LENDER:

WELLS FARGO BANK TEXAS, NATIONAL ASSOCIATION

By:      /S/ DANNY OLIVER
         -----------------------------------
Name:    DANNY OLIVER
         -----------------------------------
Title:   VICE PRESIDENT
         -----------------------------------

                                      S-1
<PAGE>

                                   EXHIBIT "A"
           [A DESCRIPTION OF THE EXCLUDED PROPERTY FOLLOWS THIS PAGE]

                                      A-1

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