Midwestern Gas Transmission Company

Third Revised Volume No. 1

 Contents / Previous / Next / Main Tariff Index

Effective Date: 02/01/2010, Docket: RP10-208-000, Status: Effective

First Revised Sheet No. 219A First Revised Sheet No. 219A

Superseding: Original Sheet No. 219A

GENERAL TERMS AND CONDITIONS

2. GAS QUALITY AND PRESSURE (Continued)

2.8 Posting of Gas Quality Data

2.8.1 Required Posting

Company shall provide on its Informational Posting 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 following are examples of gas quality attributes that could be

included in the posting for the applicable Gas Day(s) and location(s):

- Heating Value

- Hydrocarbon Components (% of C1 - Cnn)

- Specific Gravity

- Water

- Nitrogen

- Carbon Dioxide

- Oxygen

- Hydrogen

- Helium

- Total Sulfur

- Hydrogen Sulfide

- Carbonyl Sulfide

- Mercaptans

- Mercury and/or other contaminants being measured

- Other pertinent gas quality information that is specified in

Subsection 2.1 above of the General Terms and Conditions of

Company's FERC Gas Tariff. [4.3.90]

Data provided pursuant to NAESB WGQ Standard 4.3.90 shall be made

available on Company's Informational Posting Web Site for the most

recent three-month period. Beyond the initial three-month period, the

historical data shall be made available offline in accordance with

regulatory requirements. [4.3.91]

The information available for the identified location(s) shall be

provided in a downloadable format. Such format shall be a tabular

downloadable file, as described by Company, with the first row of the

file containing the column headers. [4.3.90] [4.3.92]

Company shall provide on its Informational Posting Web Site a link to

the natural gas quality provisions within the General Terms and

Conditions of Company's FERC Gas Tariff. [4.3.89]

2.8.2 Discretionary Posting

For any location(s), Company may, at its discretion, elect to provide

gas quantity information in addition to the items specified in NAESB

WGQ Standard 4.3.90. Company may choose how to provide the

information. [4.1.40]

2.8.3 Compliance with Gas Quality Requirements

In any event, compliance with gas quality requirements is in accordance

with Subsection 2.1 of the General Terms and Conditions of Company's

FERC Gas Tariff. [4.3.90]