Williston Basin Interstate Pipeline Co.

Second Revised Volume No. 1

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Effective Date: 06/02/2006, Docket: RP06-344-000, Status: Effective

Second Revised Sheet No. 181 Second Revised Sheet No. 181 : Effective

Superseding: First Revised Sheet No. 181

GENERAL TERMS AND CONDITIONS (Continued)

 

4. QUALITY (Continued)

 

4.6 Total sulphur: The gas shall not contain more than two (2)

grains of total sulphur per one hundred (100) cubic feet.

 

4.7 Gross heating value: The gas shall have a total or gross heating

value of not less than nine hundred fifty (950) nor more than one

thousand two hundred and ten (1,210) Btu's per cubic foot at a pressure

of 14.73 psia.

 

4.8 Temperature: The gas shall not be received at a temperature of

more than one hundred twenty degrees (120°) Fahrenheit.

 

4.9 Water vapor content: The gas shall not contain in excess of four

(4) pounds of water vapor per million cubic feet.

 

4.10 Mercaptan sulphur: The gas shall not contain more than one

quarter (1/4) grain of mercaptan sulphur per one hundred (100) cubic

feet of gas, or such higher content as, in Transporter's judgment, will

not result in deliveries of gas by Transporter to Shipper(s) containing

more than one quarter (1/4) grain of mercaptan sulphur per one hundred

(100) cubic feet of gas.

 

4.11 Deleterious substances: The gas shall not contain deleterious

substances or toxic or hazardous substances in concentrations that are

hazardous to health, injurious to pipeline facilities or adversely

affect merchantability.

 

4.12 Microbiological agents: The gas shall not contain, either in the

gas or any liquids with the gas, any microbiological organisms, active

bacteria or bacterial agent(s) capable of contributing to or causing

corrosion and/or operational and/or other concerns. Microbiological

organisms, bacteria or bacterial agent(s) include, but are not limited

to, sulphate reducing bacteria (SRB) and acid producing bacteria (APB).

Tests for bacteria or bacterial agent(s) shall be conducted on samples

taken from the meter run or the appurtenant piping using American

Petroleum Institute (API) test method API-RP38 or any other test method

acceptable to Transporter and Point Operator which is currently

available or may become available at any time.

 

4.13 Gas received by Transporter at receipt point(s) for gathering

and/or processing purposes shall conform to the specifications

established in the Service Agreement between Shipper and Transporter or

if none are specified, to the specifications contained in these General

Terms and Conditions.