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Proposed PM2.5 Measures for the Austin -Round Rock -Georgetown MSA Regional Air Quality Plan <br />ii. Implement wet suppression <br />iii. Enclose or cover storage piles <br />iv. Plant vegetation as a windbreak and/or erect artificial wind barriers <br />v. Control mud and dirt trackout <br />vi. Secure loads on haul trucks <br />vii. Vehicle wash stations upon exiting property <br />viii. Route optimization to avoid neighborhoods and school zone times <br />ix. Vacuuming dust <br />c. The control measures for unpaved roads' are potentially applicable to mines and quarries. These <br />measures include: <br />L Pave roads and high -traffic areas <br />ii. Chemical stabilization/dust suppressant <br />iii. Surface improvement (e.g., gravel) <br />iv. Vehicle speed reduction to 25 miles/hour <br />v. Watering twice a day for industrial unpaved road <br />5. Reducing open burning <br />a. Working with the Capital Area Regional Environmental Task Force (RETF) and other city or county <br />environmental enforcement staff to enforce burn bans and the state's Outdoor Burning Rule <br />Outdoor Burning Rule, Title 30, Texas Administrative Code, Sections 111.201-221 <br />1. The Outdoor Burning Rule requires that certain kinds of burning be conducted <br />downwind of, or at least 300 feet from, any structure containing sensitive receptors <br />located on adjacent properties unless written approval is obtained beforehand from <br />the owner or occupant—the one who will suffer adverse effects—of the adjacent or <br />downwind property. Also, the burning must not cause a nuisance or traffic hazard. <br />2. See the Texas Commission on Environmental Quality's (TCEQ's) Outdoor Burning in <br />Texas Guide - htt s: www.tce .texas. ov assets ublic comm exec ubs r r <br />04_ 9.pdf <br />b. Educating the public on fire and air quality hazards from open burning <br />6. Working to ensure prescribed burning activities do not coincide with projected high PM days, if possible <br />According to Travis County's Park Land Manager, prescribed burn windows are identified the week <br />before the prescribed burn. Therefore, it is recommended that prescribed burning staff consider the <br />air quality forecast for the timeframe in which the burns are being considered. There a lot of factors <br />that go into selecting the day of a prescribed burn such as meteorology and staff availability, so it <br />may not be possible to avoid some high PM days. Note that this measure would be expected to <br />reduce peak daily 24-hour PM2.5 concentrations, but not annual PM2.5 concentrations. <br />CAPCOG can also encourage consideration of co -benefits of PM air pollution reductions from other <br />actions/measures that are already in the Regional Air Quality' plan for 03 that also could impact regional 24- <br />hour or annual PM2.5 concentrations <br />' 2019-2023 Austin -Round Rock -Georgetown MSA Regional Air Quality Plan, https:/Lwww.capcog.orgLwp- <br />content/uploads/2019/10/2019-2023 Regional Air Quality Plan.pdf <br />Page 9 of 10 <br />