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Appendix G <br />Air Quality Analysis Modeling Report <br />Table 3-6 <br />MAXIMUM AERMOD PREDICTED IMPACTS FROM PHASE 2 <br />(TRANSMISSION LINE, MINE AREA, AND ROAD CONSTRUCTION)1 <br /> Maximum Maximum <br /> <br />Averaging <br />Predicted Background Predicted + Primary <br />CAAQS <br />Pollutant <br />Period <br />Concentration Concentration <br />s s Background NAAQS <br />s s <br />(µg/m ) <br /> (µg/m3) (µg/m) Concentration <br />3 (µg/m ) <br /> (µg/m <br />) <br />NOzz Annual 0.17 34 34.17 100 100 <br /> <br />CO 1-Hour 182.12 6,869 7,051.12 10,000 10,000 <br /> <br /> 8-Hour 30.35 4,579 4,609.35 40,000 40,000 <br /> Annual 0.0001 11 11.0001 80 80 <br />SOz 3-Hour 0.17 110 110.17 365 365 <br /> 24-Hour 0.023 39 39.023 1,300 700 <br /> Annual 0.36 24 24.36 NA 50 <br />PM <br />Io <br /> 24-Hour 72.21 54 126.21 150 150 <br /> Annual 0.12 9 9.12 15 15 <br />PM <br />z.s <br /> 24-Hour 12.54 22 34.54 35 35 <br />Notes <br />1. Area Source 1 included in analysis. <br />2. Assumes 100 percent conversion of modeled NOX to NOz. <br />3. Background concentrations derived from: <br />PMio - Rifle, Garfield County. (1998-2000 data collected by CDPHE) <br />PMzs -Grand Junction, Mesa County. (1999-2004 data collected by CDPHE) <br />SOz. - Colorado College, Colorado Springs, El Paso County. (1998-2000) -recommended by Nancy Chick (CDPHE) <br />for use in the Vernal and Glenwood Springs Resource Management Plans. <br />NOz - Woodmen and Colorado College stations, Colorado Springs, El Paso County (1998-2000 data) <br />CO = Grand Junction, Mesa County. (Average of 2001-2004) <br />G-13 <br />DBMS 525 <br />