Pennsylvania Code
Title 34 - LABOR AND INDUSTRY
Part I - Department of Labor and Industry
Chapter 14a - STORAGE AND USE OF FLAMMABLE AND COMBUSTIBLE LIQUIDS
Subchapter B - PARTICULAR ESTABLISHMENTS AND USES
SERVICE STATIONS
Section 14a.119 - Drainage and waste disposal

Provisions shall be made in the area where class I liquids may be spilled to prevent liquids from flowing into the interior of any buildings. Such provisions may be by grading, raising doorsills, or other effective means. Crankcase drainings and flammable or combustible liquids shall not be dumped into sewers, streams or on adjoining property, but shall be stored in containers equipped with pressure and vacuum relief with flame arresters or aboveground tanks outside of any building, or in underground tanks, until removed from the premises. Containers shall not exceed an aggregate capacity of 60 gallons. Aboveground tanks shall not exceed an aggregate capacity of 300 gallons.