Owners or operators of indoor motorsports arenas must measure carbon monoxide and nitrogen dioxide air concentrations in each indoor motorsports arena as directed by the commissioner.
Measurements must be made by an individual who has received training as specified in part 4620.5500.
Owners and operators must measure nitrogen dioxide air concentrations as the commissioner directs depending on the specific type of activity to be conducted in the arena.
Owners and operators must measure carbon monoxide air concentrations in each indoor motorsports arena building as follows:
Location and documentation of measurements.
If motorsports vehicle riders or drivers are not paid performers, measurements must be:
made at a location on the track that represents average carbon monoxide concentrations. The owner or operator must identify a location on the track that represents average carbon monoxide concentrations; and
If spectators are present during motorsports activities, the operator must measure air quality conditions in the spectator area as follows:
at the location of poorest air quality in the spectator area of the arena. The owner or operator must identify the location where the general public is exposed to the highest carbon monoxide levels; and
recorded at least once every 15 minutes in the spectator area when motorsports vehicles are used in the arena.
Owners or operators must keep a record of measurement findings and make it available to the commissioner upon request.
MS s 144.1222
37 SR 1663
June 3, 2013
Official Publication of the State of Minnesota
Revisor of Statutes