(A)   All natural gas delivered into the natural gas system shall always comply with the following standards and shall be commercially merchantable and be free from water, oil, gasoline, salt, gum, gum-forming constituents, dust, solids, or any other substance of any kind that could become separated from the gas while flowing in the Natural Gas System pipelines and mains.
      (1)   The gas delivered shall contain no less than nine hundred and fifty (950) BTU per cubic foot nor more than eleven hundred (1,100) BTU per cubic foot as determined by calorimeter tests at sixty (60) degrees Fahrenheit and saturated with water vapor.
      (2)   The gas delivered shall contain less than seven (7) pounds of water per million standard cubic feet (mmcf) measured at fourteen and seventh tenths (14.7) pounds per square inch and sixty (60) degrees Fahrenheit when measured on an approved dew point tester.
      (3)   The gas delivered shall contain zero percent (0%) hydrogen, not more than one-tenth percent (.1%) by volume of oxygen, four percent (4%) by volume of combined nitrogen and carbon dioxide; however, the carbon dioxide content shall be no more than three percent (3%) by volume and the total of all non-hydrocarbon gases shall be no more than four percent (4%) by volume.
      (4)   The gas delivered shall contain no more than twenty (20) grains of total sulfur per one hundred (100) cubic feet.
      (5)   The gas delivered shall contain no more than twenty-five hundredths (0.25) grains of hydrogen sulfide per one hundred (100) cubic feet.
      (6)   The gas delivered shall have a minimum flowing temperature of forty (40) degrees Fahrenheit and maximum flowing temperature of one hundred and twenty (120) degrees Fahrenheit.
      (7)   The gas delivered shall not contain environmentally unacceptable substances such as polychlorinated biphenyls (PCBs).
   (B)   It shall be the sole responsibility of the gas producer or supplier to comply with and satisfy the above set forth quality standards at their sole cost and expense.
   (C)   The city, by and through its agent, may analyze the gas delivered into its natural gas system by producers or suppliers at least once a year to assure the quality specifications set forth above are being met.  In the event that the specifications are not being met, the city shall have the right to discontinue gas purchases which are not in compliance with the herein set out standards with notice to the supplier or producers simultaneous with the termination of gas purchases.  Purchases shall not be resumed by the city until such time as the supplier or producer of natural gas have taken the necessary steps to meet the quality standards set forth herein and has produced gas quality analysis test from an independent laboratory establishing that the standards are being met and shall reimburse the city for the cost of their testing.
   (D)   It shall be the obligation of the supplier or producer to, at its sole cost and expense, install and maintain any equipment necessary to satisfy the natural gas quality standards prior to the acceptance by the city for delivery into its natural gas system.
(Ord. 0-98-015, passed 7-27-98)