Mississippi Canyon Gas Pipeline, LLC

First Revised Volume No. 1

Effective Date: 09/01/2005, Docket: RP05-454-001, Status: Effective

Sub First Revised Sheet No. 74 Sub First Revised Sheet No. 74 : Effective

Superseding: Original Sheet No.74

GENERAL TERMS AND CONDITIONS (cont'd)

2.1 Specifications - (cont'd)

(f) Carbon Dioxide/Nitrogen. The gas shall not

contain more than three percent (3%) by volume of

a combined total of carbon dioxide and nitrogen

components; provided, however, that the total

carbon dioxide content shall not exceed two

percent (2%) by volume.

(g) Impurities. The gas shall be free from

polychlorinated biphenyls (PCBs) and commercially

free (at prevailing pressure and temperature in

Transporter's Facility) from dust, gums, sand, oil

or other foreign substances which may be injurious

to Transporter's Facility or other facilities.

2.2 Failure to Conform:

If the gas tendered for delivery to Transporter by

Shipper shall fail at any time to conform to any of the

quality specifications set forth above, Transporter

will notify Shipper of such deficiency and if Shipper

fails to remedy such deficiency promptly, Transporter

may refuse to accept further receipt pending correction

by Shipper.

2.3 Tests to determine sulfur, hydrogen sulfide, oxygen,

carbon dioxide and nitrogen content shall be made by

approved standard methods in general use in the gas

industry.

2.5 Gas Quality Posting

Transporter should provide on its Informational

Postings Web Site a link to the natural gas quality

tariff provisions (or where no tariff exists in the

general terms and conditions) or a simple reference

guide to such information.

The Transporter should provide on its Informational

Postings Web Site daily average gas quality information

for prior gas day(s), to the extent available, for

location(s) that are representative of mainline gas

flow. The information available for the identified

location(s) should be provided in a downloadable

format. Information should be reported in units as

specified in the tariff or general terms and

conditions. In any event, compliance with gas quality

requirements is in accordance with the Transporter's

tariff or general terms and conditions.