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 A - GENERAL PROVISIONS
INSIDE BUILDING STORAGE
Section 14a.34 - Venting
Tanks shall have vent openings and vent pipes of sufficient size to prevent abnormal pressure in the tank during filling. Vent pipes shall terminate outside of buildings, higher than the fill pipe opening, and above normal snow accumulation. All domestic fuel tank installations shall be equipped with a signal alarm to prevent overflow. Where tanks are filled by the use of a pump through tight connection, a vent pipe not less in size than the discharge of the pump shall be used. Under no circumstances shall the vent pipe diameter be less than 11/4 inches nominal inside diameter.
This section cited in 34 Pa. Code § 14a.31 (relating to scope); and 34 Pa. Code § 14a.161 (relating to general provisions).