Document:

PURCHASE AGREEMENT

THIS AGREEMENT made as of the 31st  day of
December, 1998.

BETWEEN:

UNITED TRANS-WESTERN, INC., a corporation duly incorporated
pursuant to the laws of the State of Delaware and having an
office located at 600 - 3795 Carey Road, Victoria,
British Columbia

		(hereinafter called the "Vendor")

					OF THE FIRST PART

AND:

LANDSTAR, INC. ,a company duly incorporated pursuant to the
laws of the State of Nevada and having an office located at
5505 North Indian Trail, Tucson, AZ  85750

		(hereinafter called the "Purchaser")

					OF THE SECOND PART

WHEREAS:

A. 		The Vendor has purchased or otherwise secured
joint venture rights to a proprietary technology and chemical
formulation and process which allows the reactivation of used
rubber for reintroduction into the manufacturing process, which
technology is more particularly set out in Exhibit A hereto
(the "Technology").

B.		The Purchaser wishes to purchase the Technology
from the Vendor on the terms and conditions and for the
consideration herein set out.

NOW THEREFORE WITNESSETH THAT in consideration of the mutual
covenants and representations contained herein, the sufficiency
of which is acknowledged by the parties hereto, the parties agree
as follows:

PURCHASE AND SALE

The Vendor hereby agrees to sell, assign and transfer to the
Purchaser and the Purchaser hereby agrees to Purchase and pay
for the Technology upon the terms and conditions hereinafter
set forth.

PURCHASE PRICE AND PAYMENT

In
consideration of the Purchase and sale of the Technology the
Purchaser shall pay to the Vendor the Purchase Price of USD
$2,225,000 as follows:

	USD $25,000 as a non-refundable
down payment, payable upon the execution of this Agreement;

USD $75,000 on or before
February 28, 1998; and

issue to the Vendor
EIGHT MILLION FIVE HUNDRED THOUSAND (8,500,000) fully paid and
 non-assessable common shares of the Purchaser at a deemed value
of USD$0.25 per share (or USD $2,125,000) for the complete interest,
to be paid and transferred to the Vendor free of any trading
restrictions which limit the ability of the vendor to transfer or
hypothecate the Shares, subject only to those restrictions which
may be imposed by the Securities and Exchange Commission and subject
to the terms of a voluntary pooling agreement

The share consideration being paid by the Purchaser shall be
paid and transferred to the Vendor upon the Purchaser receiving
from the appropriate regulatory authorities such approval as is
necessary for the Purchaser to complete the terms of this Agreement.

		The Vendor
will be entitled to receive from the Purchaser a share certificate
or share certificates representing the number of shares in the
capital of the Purchaser to which the Vendor is entitled, on or
before that day which is ten (10) business days from the date on
which approval for this agreement is received by the Purchaser
from the appropriate regulatory authorities.

REPRESENTATIONS AND WARRANTIES OF THE VENDOR

The Vendor covenants and agrees with the Purchaser and represents
to the Purchaser as follows:

that the Vendor has good and
sufficient authority to enter into this Agreement on the terms,
covenants and conditions herein set forth, and the Vendor agrees
to duly observe, comply with and carry out each and every of such
terms, covenants and conditions;

that no person, firm or
corporation now has any agreement or option or any right capable
of becoming an agreement or option for the purchase from the Vendor
of the Technology; and

	The Vendor
acknowledges that the Purchaser is relying upon the warranties
and representations contained herein in entering into this
agreement
and that the Purchaser relied upon such warranties and
representations
at the time the Agreement was entered into by the parties.
Notwithstanding any prior understanding, agreement, intention or
representation made by or between the parties prior to the date of
this agreement, the Vendor hereby expressly acknowledges and
agrees that the representations and warranties contained in this
clause were and are deemed to be made and effective from and
including the date on which the Agreement was entered into by
the parties.

 REPRESENTATIONS AND WARRANTIES OF THE PURCHASER

The Purchaser
hereby warrants and represents to the Vendors that:

the Purchaser is a company duly
incorporated pursuant to the laws of the State of Nevada, the
shares of which are publicly traded on the NASDAQ - OTC Bulletin
Board quotation system;

the Purchaser has the power and
capacity to enter into this Agreement and to complete the
transaction contemplated herein; and

the Purchaser has an authorized
capital of 100,000,000 common shares without par value and that
no other class of share capital has been authorized or is
outstanding.

		EXECUTION OF FURTHER AGREEMENTS

	The parties
hereto agree to execute such agreements, make such undertakings
and do all things necessary to bring this agreement into force
and effect, including, but not limited to, entering such
agreements as are required by the regulatory authorities having
jurisdiction over the transaction contemplated hereby.

INDEMNIFICATION

	The Vendor
covenants and agrees to indemnify and save harmless the Purchaser
of and from any loss, claim, damage, cost or expense whatsoever
arising out of, under or pursuant to any breach of any
representation, warranty or covenant of the Vendor contained
in this agreement.

		NOTICE

	Any notice to be
given hereunder shall be in writing and may be delivered
personally.  Any item to be delivered to the Vendors shall be
addressed to the Vendor at the address of the Vendor first
above written.

Any notice to be delivered to the Purchaser shall be addressed to
the Purchaser at:

Landstar, Inc.
Suite 700 - 605 Robson Street
Vancouver, British Columbia
V6B 5J3

Notice shall be deemed to have been received at the time of
delivery.

GENERAL

This Agreement
constitutes the entire agreement between the parties hereto with
respect to the sale by the Vendor and the purchase by the Purchaser
of the Technology and there are no representations, warranties or
agreements collateral hereto, expressed or implied, other than as
herein expressly set forth.

This Agreement
shall not be assignable by the Purchaser or the Vendor without
the written consent of the other party first having been obtained.

Forbearance or
indulgence of the Vendor or the Purchaser, in any regard
whatsoever shall not constitute estoppel, acquiescence or a waiver
by the Vendor or the Purchaser as the case may be of such covenant
or condition and, until complete performance or observance by
the Purchaser, or the Vendor, as the case may be, of such covenant
or condition, the Vendor or the Purchaser shall be entitled to
invoke any remedy available to it under this Agreement or by law,
despite any such forbearance or indulgence.  This Agreement shall
not be amended except in writing signed by the parties hereto.

Time shall be of
the essence in this Agreement.

This Agreement
shall enure to the benefit of and be binding upon the Purchaser
and its respective heirs, executors, administrators and permitted
assigns and to the benefit of and be binding upon the Vendor and
its successors and assigns.

This Agreement
shall be governed by and interpreted in accordance with the laws
in effect in British Columbia, and is subject to the exclusive
jurisdiction of the Courts of British Columbia.

IN WITNESS WHEREOF the Purchaser and Vendor have hereunto affixed
their hands and seals the day and year first above written.

THE CORPORATE SEAL OF 			)
UNITED TRANS-WESTERN, INC. 		)
was hereunto affixed in the		)
presence of:				)
						)	C/S
--------------------			)
Authorized Signatory			)
						)
						)
-------------------			)
Authorized Signatory			)
						)
THE CORPORATE SEAL OF 			)
LANDSTAR, INC. was 			)
hereunto affixed in the			)
presence of:				)
						)	C/S
						)
--------------------			)
Authorized Signatory			)
						)
--------------------			)
Authorized Signatory			)Exhibit 10.30

Exhibit 10.30

Summary description of the Company Bonus Plan and Company Profit Sharing Plan:

       The Company has adopted a bonus incentive plan effective for
fiscal year 2000.  Certain management and technical employees are
eligible for bonuses under the plan.  Bonuses under this plan will be
based on two principal factors, namely, the Company's financial
performance relative to plan, measured by Adjusted EBITDA, and the extent
to which the Company has reached customer satisfaction goals as measured
by a quarterly customer survey.  Eligible employees will receive target
bonuses to the extent these goals are reached.  Such bonuses will
increase up to double the originally proposed amount to the extent that
financial performance exceeds plan by up to 15% and customer survey
results exceed original targets.  If and to the extent that financial
performance falls short of plan or customer satisfaction ratings fail to
meet target levels established during the first quarter of 2000, bonuses
will be less than originally proposed or may not be awarded.

     The Company has also revised its profit sharing plan to provide that
eligible employees will receive profit sharing awards of up to five
percent of compensation based on the same Company financial performance
and customer satisfaction goals outlined above.  Such awards will
increase up to double the original amount to the extent that financial
performance exceeds plan by up to 15% and customer survey results exceed
the original targets.  If and to the extent that financial performance
falls short of plan or customer satisfaction ratings fail to meet target
levels established during the first quarter of 2000, awards will be less
than originally proposed or may not be awardedExhibit 10.31

Exhibit 10.31

VARIABLE RATE PROMISSORY NOTE

$3,500,000                            Issued as of the 1st day of July, 1999
                                                        San Jose, California

FOR VALUE RECEIVED, Sand Hill Systems, Inc., a Delaware corporation
("Debtor"), hereby promises to pay (in lawful money of the United States
of America) to the order of Portola Packaging, Inc., a Delaware
corporation ("Lender"), at the office of Lender located at 890 Faulstich
Court, San Jose, California 95112, or at such other place as Lender or a
future holder hereof (Lender or such other holder being sometimes
referenced herein as "Holder") may from time to time designate in
writing, the principal sum of Three Million Five Hundred Thousand Dollars
($3,500,000), together with interest on the unpaid principal balance
hereof, all as specified below.  This  Promissory Note ("Note") has been
issued pursuant to that certain Services Agreement, dated as of the 1st
day of July, 1999, between Debtor and Lender (the "Services Agreement").
All payments made hereon shall be applied first to the payment of all
unpaid accrued interest (at the rate specified herein) to the date of
payment and the balance, if any, (after deduction of any other charges
due from Debtor) shall be applied to the payment of principal.  Interest
shall thereupon cease on the principal so credited.  All interest
accruing at the annual percentage rates specified herein shall be
calculated on the basis of a three hundred sixty-five (365)-day year and
actual days elapsed.  Additionally, notwithstanding any provision of this
Note, it is the intent and agreement of the Lender in the event any
interest specified herein is found to violate any applicable law or
regulation, that this Note shall be construed or deemed amended so that
the interest is reduced to the extent necessary to comply with such
applicable law or regulation.

        1. Payments of Principal and Interest.

                1.1  Interest.  During the term hereof, the principal amount
hereof from time to time outstanding shall bear interest at: (i) the Base
Rate in effect from time to time minus one half of one percent as the
term "Base Rate" is defined in that certain Second Amended and Restated
Credit and Security Agreement dated as of October 2, 1995 between Lender
and Heller Financial, Inc. (the "Credit Agreement"); (ii) in the event
the Credit Agreement is terminated while any portion of the principal of
this Note is outstanding, at the equivalent reference or base rate
(generally know as the "prime rate") specified in any successor senior
secured credit agreement between the Lender and its senior creditors as
such rate is in effect from time to time minus one half of one percent;
or (iii) if there is no such agreement in effect, then the reference rate
or prime rate as published from time to time by the Bank of America.
Interest shall be added to principal on the first day of each calendar
quarter, commencing January 1, 2000,  and thereafter shall itself bear
interest.

                1.2  Maturity Date.  Payment of principal shall be due and
payable on the first day of July, 2003 (the "Maturity Date"), plus any of
the following that apply:  (i) all accrued interest and (ii) all unpaid
amounts chargeable against Debtor pursuant to the terms hereof or under
the Services Agreement.

                1.3  Acceleration. Notwithstanding the provisions of Section
1.2, principal and all accrued interest shall be due and payable (i)
nine (9) months after consummation of an initial sale by Debtor of
securities to the public generally pursuant to a registration statement
filed with and declared effective by the Securities and Exchange
Commission with net proceeds to Debtor of not less than Twenty Million
Dollars ($20,000,000), or (ii) upon sale of all or substantially all of
the assets of Debtor, or (iii) upon an Event of Default hereunder.

        2.  Events of Default.  The occurrence of any of the following
shall be deemed to be an event of default ("Event of Default") hereunder:

                2.1  Nonpayment.  The failure of Debtor to make any payment of
principal due pursuant to the terms hereof, which failure is not cured
within five (5) calendar days after Holder gives notice to Debtor of such
default.

                2.2  Insolvency; Receiver or Trustee.  Any of the following
circumstances occur:

                2.2.1 The adjudication of Debtor as a bankrupt or insolvent,
or the admission by Debtor in writing of its inability to pay its debts
as they mature, or an assignment by Debtor for the benefit of creditors.

                2.2.2 The application for or consent by Debtor to the
appointment of a receiver, trustee or similar officer for it or for any
substantial part of its property or business.

                2.2.3 The appointment of such a receiver, trustee or similar
officer without the application or consent of Debtor and which
appointment shall have continued undischarged for a period of thirty (30)
days.

                2.2.4 (A) the institution by Debtor (whether by petition,
application, answer, consent or otherwise) of any bankruptcy, insolvency,
reorganization, arrangement, readjustment of debt, dissolution,
liquidation or similar proceeding relating to it under the laws of any
jurisdiction, or (B) the institution of any such proceedings (by
petition, application or otherwise) against Debtor which shall have
remained undismissed for a period of thirty (30) days.

                2.2.5 The issuance of any judgment, writ of attachment or
execution or similar process or levy against any of the material assets
of Debtor which shall have not been discharged, released, vacated, fully
bonded, or permanently stayed within thirty (30) days after its issue or
levy.

                2.3  Dissolution.  The issuance of any order, judgment or
decree against Debtor decreeing the dissolution of Debtor, which order
shall have remained undischarged or unstayed for a period in excess of
thirty (30) days.

        3. Miscellaneous Provisions.

                3.1  Attorneys' Fees.  Should suit be brought to enforce,
interpret or collect any part of this Note, the prevailing party shall be
entitled to recover, as an element of the costs of suit and not as
damages, reasonable attorneys' fees and other costs of enforcement and
collection.

                3.2  Jurisdiction.  THIS NOTE SHALL BE CONSTRUED AND ENFORCED
IN ACCORDANCE WITH THE INTERNAL LAWS OF THE STATE OF CALIFORNIA, U.S.A.
(IRRESPECTIVE OF ITS CHOICE OF LAW PRINCIPLES).

                3.3  Obligation Unconditional.  No provision of this Note or of
any other agreement shall alter, impair or render conditional the payment
obligations of Debtor, which are absolute and unconditional, to pay the
principal and interest on this Note at the place and at the respective
times herein prescribed.

                3.4  Debtor's Waivers.  Except as expressly provided to the
contrary herein, Debtor (and all guarantors, endorsers and other parties
now or hereafter becoming liable for the payment of this Note) hereby
waives diligence, presentment, protest, demand of payment, notice of
protest, dishonor and nonpayment, and waives the legal effect of Holder's
failure to give all notices not expressly provided for herein.  Debtor
expressly agrees that, without in any way affecting the liability of
Debtor hereunder, the Holder may extend the Maturity Date or the time for
payment of any amount due hereunder, accept security, release any party
liable hereunder, and release any security now or hereafter securing this
Note.  Debtor further waives, to the full extent permitted by law, the
right to plead any and all statutes of limitation as a defense to any
demand on this Note, or on any agreement now or hereafter securing this
Note.

                3.5  Loss or Destruction.  Upon receipt of evidence reasonably
satisfactory to Debtor of the loss or mutilation of this Note, Debtor
will execute and deliver, in substitution hereof, a replacement note.

                3.6  Severance.  Every provision of this Note is intended to be
severable.  In the event any term or provision hereof is declared to be
illegal or invalid for any reason by a court of competent jurisdiction,
such illegality or invalidity shall not affect the balance of the terms
and provisions hereof, which terms and provisions shall remain binding
and enforceable.  Lender and Debtor further agree to replace any such
void or unenforceable provision of this Note with valid and enforceable
provisions which will achieve, to the extent possible, the economic,
business and other purposes of the void or unenforceable provision.

                3.7  Waivers and Delays by Holder to be Strictly Limited.  Any
waiver, express or implied, of any breach or default hereunder shall not
be considered a waiver of any subsequent or different breach or default.
No delay or omission on the part of Holder in exercising any right under
this Note or under any of the documents referenced in Section 2 shall
operate as a waiver of such right or of any other right of the Holder
hereunder.

                3.8  Modification.  No provision of this Note may be waived,
modified or discharged other than by an express writing signed by the
party against whom enforcement of such waiver, modification or discharge
is sought.

                               DEBTOR:

                               SAND HILL SYSTEMS, INC.

                               By:     /s/ Jack L. Watts
                                       --------------------
                                       Jack L.  Watts, President and
                                       Chief Executive Officer

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