ADDENDUM #19"

                                                                   EXHIBIT 10.40

                                 "ADDENDUM #19"

THIS AGREEMENT, made as of March 31, 2004, by and between WEST RENTALS, INC.,
party of the first part as "LESSOR", said party being of the City of Wheeling,
Ohio County, West Virginia, and VALLEY NATIONAL GASES, INC., party of the second
part, as "LESSEE".

NOW, THEREFORE, in consideration of the premises, mutual covenants and
agreements hereinafter set forth, the parties hereto do hereby covenant and
agree as follows:

      1)    This Agreement is an addendum to and as well amends and modifies the
            Master Lease as well as any and all other addenda leases or
            contracts relative to the Pittsburgh (Spruce Way) Pennsylvania
            property subject hereof by and between LESSOR and LESSEE and all
            prior Addenda and amendments thereto (collectively "Lease").

      2)    For and in consideration of the payment of Two Hundred Twelve
            Thousand Fifty-eight Dollars ($212,058.00) by LESSOR to LESSEE, as
            of March 31, 2004, the Lease will be terminated as to the Pittsburgh
            (Spruce Way) Pennsylvania property, LESSOR will have total
            possession thereof, and LESSEE will have no further rights or
            obligations with respect thereto, including especially but not
            limited to any further obligation for the payment of rent.

      3)    This Addendum #19 memorializes the agreement of the parties as set
            forth in the correspondence of Xxxxxxx X. Xxxxxxxxxx, Chief
            Executive Officer of LESSEE to Xxxxx and Obecny, PLLC dated March
            25, 2004, addressing buyout of the Lease for the Pittsburgh (Spruce
            Way) Pennsylvania property.

      4)    Except as amended and modified by this Addendum #19, the Lease will
            continue in full force and effect, fully binding on the parties
            hereto, their successors and assigns.

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      IN WITNESS WHEREOF, the parties hereto have caused this instrument to be
executed and delivered by their authorized officers and agents with full
authority therefore as of the day and year first above written.

WITNESSETH:

                                        WEST RENTALS, INC. LESSOR

/s/ Xxxxxxx X. Xxxx                     By:  Xxxx X. Xxxx
----------------------------------      Its: President

                                        VALLEY NATIONAL GASES, INC. LESSEE

/s/ Xxxxxx X. Xxxxxxxx                  By:  W A Xxxxxxxxxx
----------------------------------      Its: CEO

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