Samples of tariff provision for Hydrogen sulphide content for - DOC

							Samples of tariff provision for Hydrogen sulphide content for interstate pipelines Allowed Hydrogen Sulphide levels Tennessee Gas Pipeline Texas Gas Transmission, LLC Portland Natural Gas Transmission Algonquin Gas Transmission LLC Enbridge Pipeline LLC Southern Star Central Gas Pipeline, Inc. East Tennessee Natural Gas Company Columbia Gas Transmission Corporation Western Gas Interstate Company Viking Gas Transmission Company Kern River Gas Transmission Company Texas Eastern Transmission, L.P. Vector Pipeline L.P. CenterPoint Energy Gas Transmission Company El Paso Natural Gas Panhandle Eastern Pipeline Co Midwestern Gas Transmission Company Northern Border Pipeline Company Colorado Interstate Gas Company TransColorado Gas Transmission Company Trailblazer Pipeline Company Northern Natural Gas Company Kinder Morgan Mid West Gas 16 parts per million 16 parts per million 4 parts per million 16 parts per million 16 parts per million 4 parts per million 4 parts per million 4 parts per million 4 parts per million 16 parts per million 4 parts per million 8 parts per million 4 parts per million 4 parts per million 4 parts per million 16 parts per million 4 parts per million 6 parts per million 4 parts per million 4 parts per million 16 parts per million 4 parts per million 4 parts per million 4 parts per million

Tennessee Gas Pipeline “shall not contain more than twenty grains of total sulphur nor more than one grain of hydrogen sulphide per one hundred cubic feet” Texas Gas Transmission, LLC “Not contain more than one (1) grain of hydrogen sulfide, nor more than twenty (20) grains of total sulphur, per one hundred (100) standard cubic feet of gas.” Portland Natural Gas Transmission “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” Algonquin Gas Transmission LLC “ Shall contain less than one grain of hydrogen sulphide per 100 cubic feet volume as measured by methods in accordance with accepted industry practice as”

Enbridge Pipeline LLC “ Shall contain less than one grain of hydrogen sulfide per one hundred (100) cubic feet of gas” Southern Star Central Gas Pipeline, Inc. “Hydrogen Sulfide and Total Sulfur: The gas shall contain not more than one quarter (1/4) grain of hydrogen sulfide per one hundred (100) cubic feet and not more than twenty grains total sulfur per one hundred (100) cubic feet.” East Tennessee Natural Gas Company “All gas shall contain no more than twenty (20) grains of total sulphur, nor more than one fourth (1/4) of one grain of hydrogen sulphide per one hundred (100) cubic feet as determined by methods to be mutually agreed upon.” Columbia Gas Transmission Corporation “ shall not contain more than twenty five hundredths (0.25) grains of hydrogen sulphide per one hundred (100) Cubic fee of gas” Western Gas Interstate Company “all gas shall not contain more than five grains of total sulphur, nor more than one fourth (1/4) of one grain of hydrogen sulphide per one hundred (100 cubic feet” Viking Gas Transmission Company “Hydrogen Sulphide The gas shall not contain more than one (1) of hydrogen sulphide per one hundred (100) cubic feet.” Kern River Gas Transmission Company “will contain not more than 0.25 grain of hydrogen sulfide per 100 cubic feet of gas (the gas will not contain any entrained hydrogen sulfide treatment chemical (solvent) or its by-products)” Texas Eastern Transmission, L.P. “Hydrogen Sulfide The gas shall not contain more than one-half (0.5) grain (8 ppm) of hydrogen sulfide per one-hundred (100) cubic feet.” Vector Pipeline L.P. “Shall contain no more than ¼ grain of hydrogen sulphide per 100 cubic feet of gas “ CenterPoint Energy Gas Transmission Company “shall contain less than one fourth (1/4) grain of hydrogen sulfide per hundred cubic feet of Gas volume” El Paso Natural Gas “Hydrogen Sulfide

The gas shall not contain more than one-quarter (0.25) grain of hydrogen sulfide per one hundred (100) standard cubic feet” Panhandle Eastern Pipeline Co. “1.0 grain of hydrogen sulphide and 20 grains of total sulphur (reduced by sulphur caused by odorization equipment) per 100 cubic feet” Midwestern Gas Transmission Company “ All gas shall not contain more than twenty (20) grains of total sulphur and not more than one fourth (1/4) of one grain of hydrogen sulphide per hundred (100) cubic feet” Northern Border Pipeline Company “The gas shall not contain more than 0.3 grains of hydrogen sulphide per Ccf.” Colorado Interstate Gas Company “such Gas shall not contain more than: .25 grain of hydrogen sulphide per 100 cubic feet.” TransColorado Gas Transmission Company “Hydrogen sulfide – The gas shall not contain more than one-quarter (0.25) grain of hydrogen sulfide per one hundred (100) standard cubic feet.” Trailblazer Pipeline Company “ Shall not contain more than one (1) grain of hydrogen sulfide per one hundred (100) cubic feed of gas, as determined by methods prescribed in “ Standards of Gas Service, Circular of the National Bureau of Standards of Gas Service,” No. 405 page 134 (1934 edition)” Northern Natural Gas Company “Hydrogen sulfide – less than or equal to ¼ grain/Ccf”