TITLE 92: TRANSPORTATION
CHAPTER I: DEPARTMENT OF TRANSPORTATION
SUBCHAPTER e: TRAFFIC SAFETY (EXCEPT HAZARDOUS MATERIALS)
PART 442 MINIMUM SAFETY STANDARDS FOR CONSTRUCTION OF TYPE II SCHOOL BUSES
SECTION 442.305 VENTILATION
CHAPTER I: DEPARTMENT OF TRANSPORTATION
SUBCHAPTER e: TRAFFIC SAFETY (EXCEPT HAZARDOUS MATERIALS)
PART 442 MINIMUM SAFETY STANDARDS FOR CONSTRUCTION OF TYPE II SCHOOL BUSES
SECTION 442.305 VENTILATION
Section 442.305 Ventilation
The body shall be equipped with a suitable controlled ventilation system of sufficient capacity to maintain a satisfactory ratio of outside to inside air under operating conditions without opening of windows except in warm weather.