Minn. R. agency 144, ch. 4620, INDOOR MOTORSPORTS ARENAS, pt. 4620.5650

Current through Register Vol. 49, No. 27, December 30, 2024
Part 4620.5650 - AIR QUALITY MEASURING DEVICES
Subpart 1.Device requirements.

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:

A. capable of measuring carbon monoxide air concentrations in a range from 0 to at least 100 parts per million (ppm) in increments of 1 ppm; or
B. capable of measuring nitrogen dioxide air concentrations in a range from 0 to at least 5 ppm in increments of 0.1 ppm.
Subp. 2.Maintenance.

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

37 SR 1663

Statutory Authority: MS s 144.1222