Transcolorado Gas Transmission Company LLC

Second Revised Volume No. 1

Effective Date: 12/28/2007, Docket: RP08-167-000, Status: Effective

Original Sheet No. 266 Original Sheet No. 266 : Effective

GENERAL TERMS AND CONDITIONS

11. QUALITY OF GAS

All natural gas received by TransColorado shall conform to the following

specifications and must be, in TransColorado's reasonable judgment, otherwise

merchantable.

11.1 Heat Content. The gas shall have a heating value of not less than

967 Btu per cubic foot.

11.2 Liquids. The gas shall be free of water and hydrocarbons in

liquid form at the temperature and pressure at which the gas is delivered.

The gas shall in no event contain water vapor in excess of seven (7) pounds

per million standard cubic feet.

11.3 Hydrocarbon Dew Point. The hydrocarbon dew point of the gas

delivered shall not exceed twenty degrees Fahrenheit (20°F) at a pressure of

600 psig.

11.4 Total Sulfur. The gas shall not contain more than three-quarters

(0.75) grain of total sulfur per one hundred (100) standard cubic feet, which

includes hydrogen sulfide, carbonyl sulfide, carbon disulfide, mercaptans, and

mono-, di- and poly-sulfides. The gas shall also meet the following

individual specifications for hydrogen sulfide, mercaptan sulfur or organic

sulfur:

(a) Hydrogen Sulfide. The gas shall not contain more than one-

quarter (0.25) grain of hydrogen sulfide per one hundred (100) standard cubic

feet.

(b) Mercaptan Sulfur. The mercaptan sulfur content shall not

exceed more than three-tenths (0.3) grain per one hundred (100) standard cubic

feet.

five-tenths (0.5) grain per one hundred (100) standard cubic feet, which

includes mercaptans, mono-, di- and poly-sulfides, but it does not include

hydrogen sulfide, carbonyl sulfide or carbon disulfide.

11.5 Oxygen. The oxygen content shall not exceed two-tenths of one

percent (0.2%) by volume and every reasonable effort shall be made to keep the

gas delivered free of oxygen.