Rockies Express Pipeline LLC (Entrega)

Second Revised Volume No. 1

Effective Date: 01/01/2008, Docket: RP08- 86-000, Status: Effective

First Revised Sheet No. 234 First Revised Sheet No. 234 : Effective

Superseding: Original Sheet No. 234

GENERAL TERMS AND CONDITIONS

20. QUALITY OF GAS (Contd.)

20.2 FREEDOM FROM OBJECTIONABLE MATTER.

Except as provided in Section 20.4 below, the Gas which

Transporter delivers to Shipper and the Gas which Shipper delivers

to Transporter for transport shall comply with the following

requirements:

A. Shall be commercially free from dust, gums, gum-forming

constituents, dirt, impurities or other solid or liquid matter

that might cause injury to or interference with proper operation

of the pipelines, regulators, meters, or other equipment of

Transporter;

B. Shall not contain more than 0.25 grain of hydrogen sulfide

per one hundred (100) cubic feet of Gas;

C. Shall not contain more than five (5) grains of total

sulfur (including the sulfur in any hydrogen sulfide and

mercaptans) per one hundred (100) cubic feet;

D. Shall not at any time have an oxygen content in excess of

ten parts per million (10 ppm) by volume, and the parties hereto

shall make every reasonable effort to keep the Gas free of oxygen;

E. Shall be delivered at a temperature not in excess of one

hundred twenty degrees Fahrenheit (120°F) or less than twenty

degrees Fahrenheit (20°F);

F. Shall not contain water vapor in excess of six (6) pounds

per million cubic feet of Gas from any individual receipt point on

an absolute basis;

G. Shall have a cricondentherm hydrocarbon dew point of no

more than: (i) fifteen degrees Fahrenheit (15°F) for gas delivered

through the Overthrust Lease Facilities, unless a higher

cricondentherm hydrocarbon dew point limit is posted by

Transporter to correspond with any applicable higher limit posted

by the operator of the Overthrust Lease Facilities; or (ii) twenty

degrees Fahrenheit (20°F) for gas delivered through any other

portion of Transporter's system; and

H. Shall not contain inert substances (carbon dioxide,

nitrogen, helium, oxygen or any other diluent compound) of more

than three percent (3%) by volume of which not more than two

percent (2%) by volume shall be carbon dioxide.