Minnesota Administrative Rules

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.

Statutory Authority:

MS s 144.1222

History:

37 SR 1663

Published Electronically:

June 3, 2013