El Paso Natural Gas Company

First Revised Volume No. 1-A

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Effective Date: 09/01/1991, Docket: RP88- 44-019, Status: Effective

Original Sheet No. 212O Original Sheet No. 212O : Superseded

 

TRANSPORTATION GENERAL TERMS AND CONDITIONS

(Continued)

 

5. QUALITY (Continued)

 

(a) Liquids - The gas shall be free of water and hydrocarbons

in liquid form at the temperature and pressure at which

the gas is delivered. The gas shall in no event contain

water vapor in excess of seven (7) pounds per million

standard cubic feet.

 

(b) Hydrocarbon Dew Point - The hydrocarbon dew point of the

gas delivered shall not exceed twenty degrees Fahrenheit

(20~F) at a pressure of 600 psig.

 

(c) Total Sulfur - The gas shall not contain more than

three-quarters (0.75) grain of total sulfur per one

hundred (100) standard cubic feet, which includes

hydrogen sulfide, carbonyl sulfide, carbon disulfide,

mercaptans, and mono-, di- and poly-sulfides. The gas

shall also meet the following individual specifications

for hydrogen sulfide, mercaptan sulfur or organic sulfur:

 

(i) Hydrogen Sulfide - The gas shall not contain

more than one-quarter (0.25) grain of hydrogen

sulfide per one hundred (100) standard cubic

feet.

 

(ii) Mercaptan Sulfur - The mercaptan sulfur content

shall not exceed more than three-tenths (0.3)

grain per one hundred (100) standard cubic feet.

 

(iii) Organic Sulfur - The organic sulfur content

shall not exceed five-tenths (0.5) grain per

one hundred (100) standard cubic feet, which

includes mercaptans, mono-, di- and

poly-sulfides, but it does not include hydrogen

sulfide, carbonyl sulfide or carbon disulfide.

 

(d) Oxygen - The oxygen content shall not exceed two-tenths

of one percent (0.2%) by volume and every reasonable

effort shall be made to keep the gas delivered free of

oxygen.

 

(e) Carbon Dioxide - The gas shall not have a carbon dioxide

content in excess of three percent (3%) by volume.