723.20 SOUR GAS.
   (a)   If hydrogen sulfide gas in encountered in any formation, drilling operations using air rotary rigs shall switch to fluid. The volume of cement used in cementing the production string of casing in the well bore should be sufficient to provide a sheath of cement to a point at least fifty feet above the Formation.
 
   (b)   In the event the Building Inspector determines that the production of a well causes an odor deemed to be a nuisance, the producer shall provide a filter retrofitted on all storage tanks and shall insure that the filters are either cleaned or replaced in order to suppress the nuisance.
(Ord. 8-1992. Passed 9-22-92.)