Portland Natural Gas Transmission System

Second Revised Volume No. 1

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Effective Date: 09/01/2006, Docket: RP06-449-000, Status: Effective

Original Sheet No. 318 Original Sheet No. 318 : Effective

 

GENERAL TERMS AND CONDITIONS (Continued)

 

5. QUALITY OF GAS

 

5.1 Heating Value. The Gas to be delivered to Transporter at the

Receipt Point(s) and made available to or on behalf of Shipper at the Delivery

Point(s) under this Tariff shall be Gas having a Total Heating Value of not

less than 967 BTU per Cubic Foot, and not more than 1100 BTU per Cubic Foot,

unless Transporter and Shipper otherwise agree.

 

5.2 Freedom from Objectionable Matter. The Gas to be made available

to Transporter at the Receipt Point(s) and made available to or on behalf of

Shipper at the Delivery Point(s) under this Tariff shall be commercially free

(at prevailing pressure and temperature) from objectionable odors, dust and

other solid, liquid or gas matters which might interfere with its

merchantability or cause injury to or interference with proper operation of

the lines, regulators, meters or other appliances through which it flows, and

shall not contain levels of the following contaminants higher than specified

below:

 

(a) Sulfur/Hydrogen Sulfide

 

Not more than twenty (20) grains of total sulfur nor more

than one-fourth (1/4) grain of hydrogen sulfide per one hundred

(100) Cubic Feet;

 

(b) Oxygen

 

Not more than two-tenths of one percent (0.2%) by volume of

oxygen, and Shipper shall make every reasonable effort to

keep the Gas free of oxygen;

 

(c) Carbon Dioxide and Nitrogen

 

Not more than four percent (4%) by volume of a combined total

of carbon dioxide and nitrogen components; provided, however,

that the total carbon dioxide component shall not exceed

three percent (3%) by volume;

 

(d) Water

 

Shall not contain more than seven pounds (7 lbs.) of water per

MMcf.