Section 69-09-01-04 - Purity of gas1. Total sulfur. Manufactured gas distributed in this state shall in no case contain more than thirty grains [1.94 grams] of total sulfur per one hundred cubic feet [2.83 cubic meters] unless specific relief is granted by the commission. 2. Hydrogen sulfide. In no case shall the manufactured or diluted natural gas sold for lighting or heating contain an amount of hydrogen sulfide (sulfurated hydrogen) detectable by the following test: The gas shall be considered to contain no more than a trace of hydrogen sulfide if a strip of white filter paper freshly moistened with a solution containing five percent by weight of lead acetate is not distinctly darker than a second paper freshly moistened with the same solution after the first paper has been exposed to the gas one minute in an apparatus through which the gas is flowing at the rate of approximately five cubic feet [141.58 liters] per hour, the gas not impinging directly from a jet upon the test paper.
3. Each utility furnishing manufactured gas service shall daily test the gas supplied by it for the presence of hydrogen sulfide and shall mark and preserve the test papers for at least ten days. 4. Each utility furnishing undiluted natural gas shall file with the commission a statement showing an analysis of the gas being furnished. General Authority: NDCC 49-02-11
Law Implemented: NDCC 49-02-11
N.D. Admin Code 69-09-01-04