Transwestern Pipeline Company

Second Revised Volume No. 1

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Effective Date: 09/01/1996, Docket: CP96- 10-003, Status: Effective

Original Sheet No. 53A Original Sheet No. 53A : Effective

GENERAL TERMS AND CONDITIONS

(continued)

(a) Transporter will identify the receipt point(s) from which gas is

flowing that contain more than 2% by volume of carbon dioxide

and/or more than 3% by volume of total nonhydrocarbon gases and

which are contributing to the gas quality problem.

(b) Transporter will then rank these receipt points according to the

highest percentage by volume of carbon dioxide and/or

nonhydrocarbon gas entering the system (depending on which

violation of quality specifications is impacting or may impact

Transporter's ability to deliver). Transporter will make

reasonable efforts to notify receipt point operators by telephone

and via its Electronic Bulletin Board at the earliest time

possible as to the action required and the time within which

compliance is required, depending on the operational situation

existing at the time. Transporter will notify the receipt point

operators in the order of the ranking starting with the receipt

point with the highest percentage of applicable contaminant until

the problem is resolved. The required action may include any

alternative that will alleviate the gas quality problem.

(c) Within two business days after resolving a gas quality problem,

Transporter will post to its Electronic Bulletin Board: a

description of the problem, the receipt point, the receipt point

operator, the action required, the action taken, and the date and

time that the problem was resolved.

G. shall contain not more than one quarter (1/4) grain of hydrogen sulfide per

one hundred (100) cubic feet of gas;

H. shall contain not more than 0.3 grains of mercaptan sulfur per one hundred

(100) cubic feet of gas;

I. shall contain not more than 0.75 grains of total sulfur per one hundred

(100) cubic feet of gas;

J. shall not contain any toxic or hazardous substance in concentrations which,

in the normal use of the gas, may be hazardous to health, injurious to

pipeline facilities, or be a limit to Merchantability or be contrary to

applicable government standards;

K. shall be free from any detectable mercury.