Texas Gas Pipe Line Corporation

Third Revised Volume No. 1

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Effective Date: 06/01/1990, Docket: RP90-112-001, Status: Effective

Substitute Original Sheet No. 12 Substitute Original Sheet No. 12 : Effective

Superseding: Original Sheet No. 12

GENERAL TERMS AND CONDITIONS (Cont'd)

4. QUALITY

4.1 Gas to be Merchantable. The gas delivered by Seller to

Buyer shall be merchantable natural gas, at all times

complying with the quality requirements specified below.

4.2 Processing. Seller may extract or permit the extraction of

hydrocarbons, other than methane, from the gas delivered to

Buyer, and shall have the right to remove such methane as is

necessarily removed from the gas in recovering other

constituents; provided that Seller by such processing shall

not reduce the total heating value per cubic foot below

1,000 Btu and provided that by such extraction the gas will

not be rendered incapable of meeting any of the other

quality specifications set forth in this Section 4 of the

General Terms and Conditions.

4.3 Heating Value. The gas delivered by Seller to Buyer shall

have a total heating value of not less than 1,000 Btu per

cubic foot. If the heating value of any gas tendered by

Seller for delivery shall be below 1,000 Btu per cubic

foot, Buyer shall have the option to:

(a) Refuse to accept delivery of such gas, or

(b) Accept delivery thereof, in which event,

the charges otherwise payable shall be

adjusted as provided by the Heat Content

Adjustment of the applicable rate schedule.

4.4 Freedom from Objectionable Matter. The natural gas to be

delivered by Seller to Buyer:

(a) shall be commercially free from dust, gums, water,

crude oil, impurities and other objectionable

substances which may become separated from the gas and

interfere with its transmission through Buyer's

pipeline system;

(b) shall be commercially free from hydrogen sulphide,

containing not more than three-tenths grains of

hydrogen sulphide per 100 cubic feet as determined by a

cadmium sulphate test after presence of hydrogen

sulphide has been indicated by qualitative test, which

test shall consist of exposing a strip of white filter

paper recently moistened with a solution of 100 grains

of lead acetate in 100 cubic centimeters of water, to

be exposed to the gas for one and one-half minutes in

an apparatus previously purged, through which the gas

is flowing at the rate of approximately five cubic feet

per hour, the gas not impinging from the jet upon the

test paper, and which qualitative test shall be deemed

to be satisfied if, after this exposure the test paper

is found not distinctly darker than a second paper

freshly moistened with a solution not exposed to the

gas;

(c) shall not contain more than nine grains of total

sulphur per 100 cubic feet;