Valero Interstate Transmission Company

First Revised Volume No. 1

Effective Date: 11/01/1991, Docket: GT91- 42-000, Status: Effective

Original Sheet No. 53 Original Sheet No. 53 : Superseded

GENERAL TERMS AND CONDITIONS

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(continued)

2. QUALITY

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a. All gas delivered and redelivered hereunder shall conform to the

following specifications:

(1) Solids - The gas shall be commercially free from solid

matter, dust, gums and gum-forming constituents which might

interfere with its merchantability or cause injury to or

interfere with the proper operation of the lines, meters,

regulators or other appliances through which it flows.

(2) Oxygen - The gas shall not contain more than one percent

(1%) volume of oxygen.

(3) Carbon Dioxide - The gas shall not at any time have a carbon

dioxide content in excess of three percent (3%) by volume.

(4) Liquids - The gas shall be free of water and hydrocarbons in

liquid form.

(5) Hydrogen Sulfide - The gas shall not contain more than

three-tenths (.3) grain of hydrogen sulfide per one hundred

(100) cubic feet.

(6) Total Sulfur - The gas shall not contain more than nine (9)

grains of total sulfur per one hundred (100) cubic feet.

(7) Heating Value - The gas shall have a total or gross heating

value of not less than one thousand (1,000) Btu's per cubic

foot, saturated with water vapor, at sixty degrees (60)

Fahrenheit and under a pressure of 14.65 psia.

(8) Temperature - The gas shall not be delivered or redelivered

at a temperature of more than one hundred twenty (120)

degrees Fahrenheit.

(9) Water Vapor Content - The gas shall contain not in excess of

seven (7) pounds of water vapor per million cubic feet.