El Paso Natural Gas Company

Second Revised Volume No. 1A

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Effective Date: 04/01/2010, Docket: RP10-454-001, Status: Effective

Ninth Revised Sheet No. 212 Ninth Revised Sheet No. 212

Superseding: Eighth Revised Sheet No. 212

TRANSPORTATION GENERAL TERMS AND CONDITIONS

(Continued)

3. QUALITY (Continued)

3.3 Delivery Specifications (Continued)

(f) Diluents - The gas shall not at any time contain in excess of

four percent (4%) total diluents (the total combined carbon

dioxide, nitrogen, helium, oxygen, and any other diluent

compound) by volume.

(g) Dust, Gums and Solid Matter - The gas shall be commercially

free from solid matter, dust, gums, and gum forming

constituents, or any other substance which interferes with the

intended purpose or merchantability of the gas, or causes

interference with the proper and safe operation of the lines,

meters, regulators, or other appliances through which it may

flow.

(h) Heating Value - The gas shall have a Heating Value of not less

than 967 Btu per cubic foot. For Natural Gas delivered at the

border between the States of Arizona and California, the gas

shall have a Heating Value of not less than 995 Btu per cubic

foot.

(i) Temperature - The gas shall be delivered at temperatures not in

excess of one hundred twenty degrees Fahrenheit (120°F) nor

less than fifty degrees Fahrenheit (50°F) except during those

times when due to normal operating conditions and/or seasonal

ambient temperatures on or near the pipeline system the

temperature may drop below such lower limit.

(j) Deleterious Substances - The gas shall not contain any toxic or

hazardous substance, in concentrations which, in the normal use

of the gas, may be hazardous to health, injurious to pipeline

facilities or be a limit to merchantability.

(k) If, at any time, gas delivered by Transporter shall fail to

substantially conform to the specifications set forth in this

Section 3.3 (a) - (j) of the GT&C, Shipper or its designee

agrees to notify Transporter of such deficiency. Shipper, or

its designee, may agree to waive Transporter's compliance with

its delivery specifications or, if Transporter fails to

promptly remedy any such deficiency within a reasonable time,

then Shipper or its designee may, at its option, refuse to

accept delivery pending correction of the deficiency by

Transporter or continue to accept delivery and make such

changes as necessary to cause the gas to conform to such

specifications, in which event Transporter shall reimburse

Shipper or its designee for all reasonable expenses incurred by

Shipper or its designee in effecting such changes.