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Table 1 <br />State and National Ambient Air Quality Standards and Attainment Status for LA County <br />Averaging <br />California <br />Federal <br />Standards <br />Attainment Status <br />Standards <br />Attainment Status <br />Pollutant <br />Period <br />1-hour <br />0.09 ppm <br />(180 pg/m3) <br />Non -attainment <br />-- <br />-- <br />Ozone (03) <br />8-hour <br />37 0 ppm) <br />N/A' <br />7 0 ppm) <br />Non -attainment <br />(0 <br />(00 <br />Respirable <br />24-hour <br />50 pg/m3 <br />Non -attainment <br />150 pg/m3 <br />Maintenance <br />Particulate Matter <br />Annual Arithmetic <br />20 pg/m3 <br />Non -attainment <br />(PM10) <br />Mean <br />24-hour <br />-- <br />-- <br />35 pg/m3 <br />Non -attainment <br />Fine Particulate <br />iwatier krivi z.$) <br />Annual Arithmetic <br />12 pg/m3 <br />Non -attainment <br />12 pg/m3 <br />Non -attainment <br />Mean <br />20 ppm <br />35 ppm <br />Carbon Monoxide <br />1-hour <br />(23 mg/m3) <br />Attainment <br />(40 mg/m3) <br />Maintenance <br />(CO) <br />9.0 ppm <br />9 ppm <br />8-hour <br />(10 mg/m3) <br />Attainment <br />(10 mg/m3) <br />Maintenance <br />0.18 ppm <br />100 ppb <br />Nitrogen Dioxide <br />1-hour <br />(338 pg/m3) <br />Attainment <br />(188 pg/m3) <br />Maintenance <br />2 <br />Annual Arithmetic <br />0.030 ppm <br />53 ppb <br />Mean <br />(57 pg/m3) <br />Attainment <br />(100 pg/m3) <br />Maintenance <br />0.(6 25 pm <br />ppb <br />1-hour <br />Ngpm) <br />Attainment <br />(196 <br />Attainment <br />Sulfur Dioxide (SO2) <br />0.04 ppm <br />24-hour <br />(105 pg/m3) <br />Attainment <br />-- <br />-- <br />Lead <br />30-day average <br />1.5 pg/m3 <br />Attainment <br />-- <br />-- <br />(Pb) <br />Calendar Ouartp L -- I-- 0.15 pg/m3 Non -attainment <br />Visibility Reducing <br />Extinction of <br />Particles <br />8-hour <br />0.07 per <br />N/A <br />No Federal Standards <br />kilometer <br />Sulfates <br />24-hour <br />25 pg/m3 <br />Attainment <br />No Federal Standards <br />Hydrogen Sulfide <br />0.03 ppm <br />AS) <br />1-hour <br />42 /m3 <br />Unclassified <br />No Federal Standards <br />Vinyl Chloride <br />24-hour <br />0.01 ppm <br />26 /m3 <br />N/A <br />No Federal Standards <br />IN/A = not available <br />Source: CARB, Ambient Air Quality Standards, and attainment status, 2020 www.arb.ca.gov/desig/adm/adm.htm . <br />Cabrillo Town Center <br />Air Quality ac77ca <br />PAGE <br />City of Santa Ana <br />18 — 648 10/3/2023 July 2023 <br />