The owner or operator must demonstrate that the devices and methods used to measure air quality conditions are accurate and reliable. Air quality measuring devices must be:
The owner or operator must operate, store, maintain, and calibrate the devices according to the device manufacturer's specifications. The owner or operator must also keep maintenance and calibration records.
Minn. R. agency 144, ch. 4620, INDOOR MOTORSPORTS ARENAS, pt. 4620.5650
Statutory Authority: MS s 144.1222