Pennsylvania Code
Title 67 - TRANSPORTATION
Part I - Department of Transportation
Subpart A - Vehicle Code Provisions
Article VII - Vehicle Characteristics
Chapter 171 - SCHOOL BUSES AND SCHOOL VEHICLES
Subchapter F - MASS TRANSIT PUPIL TRANSPORTATION BUS STANDARDS
Section 171.132 - Fire extinguisher

(a) Required. Every mass transit pupil transportation bus shall be equipped with at least one pressurized, multipurpose, dry chemical or halogenated agent fire extinguisher, mounted in a bracket in the driver's compartment and readily accessible to the driver. The fire extinguisher shall be mounted as directed by the manufacturer. The fire extinguisher shall have a hose and nozzle and be in good and usable condition. A pressure gauge shall be mounted on the extinguisher so as to be easily read without removing the extinguisher from its mounted position.

(b) Type. The fire extinguisher shall be of a type meeting the Underwriter Laboratories, Inc. Standard 299 or 1093-See Appendix A-with a total rating of not less than 2 A-10 BC. The operating mechanism shall be sealed with a type of seal which will not interfere with the use of the fire extinguisher.