§ 21.12.090  FIREPROOF SOUNDPROOFING MATERIALS.
   Where soundproofing material is required during oil field operations, such materials shall be non-combustible, provided that fire retardant treated materials may be used and maintained subject to the approval of the Fire Department.
('86 Code, § 21.12.090) (Ord. 3173, passed  - - )  Penalty, see § 1.12.010