2376.1The gas supplied by any gas corporation shall not show the presence of any hydrogen sulphide at levels greater than twenty-five hundredths (0.25) grains per one hundred (100) standard cubic feet (SCF) of gas and shall not contain more than twenty (20) grains of total sulphur in one hundred (100) SCF of gas as measured at the custody transfer point of a gas corporation and its supply source.
2376.2The test for hydrogen sulphide, or such test as may be approved by the Commission, shall be made by the methylene blue test as defined in American Society for Testing Materials (ASTM) #D2725. This method covers the determination of hydrogen sulphide in natural gas for not more than one (1.0) grain of hydrogen sulphide per one hundred (100) SCF(Standard x Cubic Feet), or twenty-three milligrams per meter cube (23 mg/m3).
authority
Unless otherwise noted, the authority for this chapter is Paragraph 21 of §8 of An Act Making appropriations to provide for the expenses of the District of Columbia for the fiscal year ending June thirtieth, nineteen hundred and fourteen, and for other purposes, approved March 4, 1913 (37 Stat. 977); as amended by §2 of the Public Utilities Amendment Act of 1989, D.C. Law 8-47, D.C. Code §43-501 (1990 Repl. Vol.).
source
Final Rulemaking published at 35 DCR 7938, 7952 (November 4, 1988); as amended by Final Rulemaking published at 60 DCR 7 (January 4, 2013).
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