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Original Sheet No. 212O Original Sheet No. 212O : Superseded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
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
(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
(e) Carbon Dioxide - The gas shall not have a carbon dioxide
content in excess of three percent (3%) by volume.