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. 210.01 Ninth Revised Sheet No. 210.01

Superseding: Eighth Revised Sheet No. 210.01

TRANSPORTATION GENERAL TERMS AND CONDITIONS

(Continued)

3. QUALITY (Continued)

3.1 General Specifications (Continued)

(e) Carbon Dioxide - The gas shall not have a carbon dioxide

content in excess of two percent (2%) by volume, except for

gas acceptable under Sections 3.2 and 3.4 of the GT&C.

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

three percent (3%) total diluents (the total combined carbon

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

compound) by volume, except for gas acceptable under Sections

3.2 and 3.4 of the GT&C.

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

free of dust, gums and other solid matter.

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

less than 967 Btu per cubic foot.

(i) Temperature - The gas received by Transporter shall be at

temperatures not in excess of one hundred twenty degrees

Fahrenheit (120°F) nor less than fifty degrees Fahrenheit

(50°F). Any party tendering gas at a temperature standard

less than fifty degrees Fahrenheit (50°F) shall receive a

waiver of such standard only if a test has been conducted in

accordance with procedures set forth in Section 3.10(b)

hereof and the results from such test demonstrate that the

particular segment of the pipeline tested can be safely

operated below the fifty degrees Fahrenheit (50°F)

temperature standard.

(j) Deleterious Substances - The gas shall not contain

deleterious substances in concentrations that are hazardous

to health, injurious to pipeline facilities or adversely

affect merchantability.