Algonquin Gas Transmission, LLC

Fifth Revised Volume No. 1

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Effective Date: 11/30/2009, Docket: RP10-77-000, Status: Effective

Third Revised Sheet No. 520 Third Revised Sheet No. 520

Superseding: Second Revised Sheet No. 520

 

GENERAL TERMS AND CONDITIONS

(continued)

4. QUALITY OF GAS (continued)

 

(b) Shall not contain an amount of water vapor exceeding seven pounds per 1,000,000

Cubic Feet of gas volume as measured by methods in accordance with accepted

industry practice, or by other methods mutually agreed upon by Customer and

Algonquin;

 

(c) Shall contain less than one-half (0.5) grain of hydrogen sulphide per 100 Cubic

Feet of gas volume as measured by methods in accordance with accepted industry

practice, such as, but not limited to, lead acetate testing, analysis by titrator,

analysis by chromatograph, or by other methods mutually agreed upon by Customer

and Algonquin;

 

(d) Shall not contain more than ten (10) grains of total sulphur, excluding any

mercaptan sulphur, per 100 Cubic Feet of gas volume as measured by methods in

accordance with accepted industry practice, such as, but not limited to, analysis

by titrator, analysis by chromatograph, or by other methods mutually agreed upon

by Customer and Algonquin;

 

(e) Shall be of a flowing temperature which is adequate to prevent interference with

the proper operation of lines, regulators, meters and other equipment of

Algonquin. Algonquin may impose restrictions on the temperature of the flowing gas

that it receives when, in Algonquin's reasonable judgment, these restrictions are

necessary to insure the proper operation of Algonquin's facilities;

 

(f) Shall not contain more than four percent (4.0%) by volume of a combined total of

any non-hydrocarbon gas including, without limitation carbon dioxide, nitrogen,

krypton, helium, argon, xenon, and neon. Within this volume of non-hydrocarbons,

the total carbon dioxide content shall not exceed two percent (2.0%) by volume, and

the total combined nitrogen and oxygen content shall not exceed two and three

quarters percent (2.75%) by volume;

 

(g) Shall not have uncombined oxygen content in excess of two-tenths of one percent

(0.2%) by volume; and

 

(h) Shall not contain, either in the gas or in any liquids with the gas, any

microbiological organism, active bacteria or bacterial agent capable of

contributing to or causing corrosion and/or operational and/or other problems.

Microbiological organisms, bacteria or bacterial agents include, but are not

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

Tests for bacteria or bacterial agents 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 Algonquin and Customer which

is currently available or may become available at any time.

 

(i) The non-methane hydrocarbon content shall contain no more than twelve percent

(12.0%) of ethanes and heavier hydrocarbons (C2+), of which the content of butanes

and heavier hydrocarbons (C4+) shall not exceed one and one half percent (1.5%).