Wyoming Interstate Company, Ltd.

Second Revised Volume No. 2

Effective Date: 04/12/2010, Docket: RP10-491-000, Status: Effective

Sixth Revised Sheet No. 40 Sixth Revised Sheet No. 40

Superseding: Substitute Fifth Revised Sheet No. 40

GENERAL TERMS AND CONDITIONS

(Continued)

2. MEASUREMENT

2.1 Unit of Measurement and Metering Base. The volumetric measurement

base shall be 1 cubic foot of Gas at a pressure base of 14.73 pounds

per square inch absolute, at a temperature base of 60 degrees

Fahrenheit, and without adjustment for water vapor.

The cutoff for closing measurement is five (5) Business Days after

the business Month (GISB Standard 2.3.7). Measurement data which is

missing or late at the cutoff is to be estimated. (Estimate missing

or late measurement data and treat actual as prior period

adjustment, with the measuring party to provide the estimate (GISB

Standard 2.3.13). A meter adjustment becomes a prior period

adjustment after the fifth Business Day following the business Month

(GISB Standard 2.3.11). For treatment of measurement prior period

adjustments, report the revised data with the restated line item

with the new total quantity for the Day and Month (GISB Standard

2.3.12.

2.2 The time limitation for correcting and reconciling any measurement

shall be 6 months from the time of the close of the production

month. Upon issuance of a retroactive adjustment, the affected

parties will have a 3 month rebuttal period. This 3 month rebuttal

period shall begin with the interested party issuing a written

notification that a measurement dispute exists. These disputes will

apply to measurement errors that involve quantities that Transporter

has direct custody transfer responsibilities over, as well as

volumes measured by other companies that have been audited by

Transporter. This time limitation provision does not apply in the

case of deliberate omission or misrepresentation or mutual mistake

of fact. Parties' other statutory or contractual rights shall not

otherwise be diminished by this limitation.

2.3 Measurement data available upstream of aggregated points should be

sent to the allocating party and used to allocate the aggregated

volume back to the upstream points (GISB Standard 2.3.8).

2.4 Transporter's measurement information provided via EDM shall conform

to the requirements of the Data Dictionary standards as set forth in

GISB Standard 2.4.4 and 2.4.5.