§ 91.30 DEFINITIONS.
   For the purpose of this subchapter the following definitions shall apply unless the context clearly indicates or requires a different meaning.
   CLASS III LIQUIDS.
      (1)   Class III A includes those having flash points at or over 140°F.
      (2)   Class III B includes those having flash points at or over 200°F.
   FLAMMABLE LIQUID. Any liquid having a flash point below 140°F and having a vapor pressure not exceeding 40 pounds per square inch (absolute) at 100°F. Flammable liquids shall be divided into classes of liquids as follows:
      (1)   Class I liquids includes those having flash points below 100°F and may be subdivided as follows:
         (a)   Class IA includes those having flash points below 73°F and having a boiling point below 100°F.
         (b)   Class IB includes those having flash points below 73°F and having a boiling point at or above 100°F.
         (c)   Class IC includes those having flash points at or above 73°F and below 100°F.
      (2)   Class II liquids includes those having flash points at or above 100°F and below 140°F.
      (3)   When artificially heated to temperatures equal to or higher than their flash points, Class II and III liquids shall be subject to the applicable provisions for Class I or II liquids. The provisions of this subchapter shall also be applied to high flash point liquids when heated to temperatures equal to or higher than their flash points even though these same liquids would be outside the scope of this subchapter when they are not heated.
   RESIDENTIAL DISTRICT. A residential district as defined by the zoning code and zoning map of the city.
(Ord. 3482, passed 8-24-1959)
Cross-reference:
   Resident districts, see § 150.06
   UNSTABLE (REACTIVE) LIQUID. A liquid in the pure state or as commercially produced or transported which will vigorously polymerize, decompose, condense, or become self-reactive under conditions of shock, pressure, or temperature.
(1981 Code, § 91.30)