Minnesota Administrative Rules
Agency 144 - Health Department
Chapter 4620 - CLEAN INDOOR AIR
INDOOR ICE ARENAS
Part 4620.4550 - AIR QUALITY MEASURING DEVICES
Universal Citation: MN Rules 4620.4550
Current through Register Vol. 49, No. 13, September 23, 2024
Subpart 1. Device requirements.
The owner or operator must demonstrate that the device 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
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 5 parts per million (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.
Statutory Authority: MS s 144.1222
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