Natural Gas Pipeline Company Of America

Seventh Revised Volume No. 1

Effective Date: 04/18/2008, Docket: RP08-319-000, Status: Effective

Original Sheet No. 476 Original Sheet No. 476 : Pending

GENERAL TERMS AND CONDITIONS

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26. QUALITY

26.1 SPECIFICATIONS

Unless otherwise stated in an Agreement, natural gas

delivered by or on behalf of Shipper to Natural at any Receipt Point,

and natural gas delivered by Natural to or for the account of Shipper

at any Delivery Point, shall be of pipeline quality and shall conform

to the following specifications:

(a) OXYGEN

The oxygen content shall not exceed ten parts per

million (10 ppm) by volume of uncombined oxygen, and the parties shall

make reasonable efforts to maintain the gas free from oxygen.

(b) HYDROGEN SULFIDE

The hydrogen sulfide content shall not exceed one-

quarter (1/4) grain per hundred (100) cubic feet of gas.

The mercaptan content shall not exceed one-quarter

(1/4) grain per one hundred (100) cubic feet of gas.

(d) TOTAL SULFUR

The total sulfur content, including mercaptans and

hydrogen sulfide, shall not exceed one-half (1/2) grain per one

hundred (100) cubic feet of gas.

(e) CARBON DIOXIDE

The carbon dioxide content shall not exceed two

percent (2%) by volume.

(f) LIQUIDS

The gas shall be free of water and hydrocarbons in

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

delivered. In addition, the gas shall not contain any hydrocarbons

which might condense to free liquids in the pipeline under normal

pipeline conditions and shall in no event contain water vapor in

excess of seven (7) pounds per one million (1,000,000) cubic feet.