Relating to the monitoring of the opacity of emissions from certain concrete facilities.

SB 2273 requires specific concrete facilities - those engaged in crushing or wet/dry batching/central mixing - to monitor emissions opacity during all operational hours. It mandates that permit holders train on-site staff in opacity reading methods to comply with environmental rules. The bill directly affects concrete plants and crushing operations holding relevant permits under Texas Health and Safety Code. The requirement takes effect September 1, 2025.