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bw <br /> into"moderate,""serious,"and"severe"air pollution categories,with increasingly stringent control requirements <br /> mandated for each category. <br /> The EPA designates areas for 03, CO, and NO2 as"Does not meet the primary standards,""Cannot be classified," <br /> or"Better than national standards." For SO2, areas are designated as"Does not meet the primary standards," <br /> "Does not meet the secondary standards,""Cannot be classified,"or"Better than national standards." In 1991, <br /> new nonattamment designations were assigned to areas that had previously been classified as Group I, II,or III <br /> for PMto,based on the likelihood that they would violate national PMto standards. All other areas are designated <br /> "Unclassified." The state and national attainment status designations pertaining to the SJVAB are summarized in <br /> Table 4.12-2.The SJVAB is currently designated as a nonattainment area with respect to the state and national <br /> PMto standards. The attainment designations with respect to the PM2.5 have not been determined. <br /> Table 4.12-2 <br /> Summary of Annual Ambient Air Quality Data(2000-2003) <br /> 2000 2001 2002 2003 <br /> Ozone(03)—Tracy/Patterson Pass Road Air Monitoring Station <br /> .� State Standard(1-hr avg,0.09 ppm) <br /> National Standard(1-hr/8-hr avg,0.12/0.08 ppm) <br /> Maximum Concentration(1-hr/8-hr avg) .11/.09 .11/.09 .11/.10 .10/.09 <br /> Days State Standard Exceeded(1-hr avg) 7 4 11 5 <br /> Days National 1-hr/8-hr Standard Exceeded 0/3 0/1 0/3 0/2 <br /> ` Carbon Monoxide(CO"tockton–Hazelton Air Monitoring Station <br /> State Standard(1-hr/8-hr avg,20/9.0 ppm) <br /> National Standard(1-hr/8-hr avg,35/9.0 ppm) <br /> Maximum Concentration(1-hr/8-hr avg) 6.5/3.9 8.4/6.0 6.0/3.2 5.8/3.1 <br /> Days State Standard Exceeded(8-hr only) 0 0 0 0 <br /> Days National 1-hr/8-hr Standard Exceeded 0/0 0/0 0/0 0/0 <br /> Nitrogen Dioxide(NO=)--Tracy/Patterson Pass Road Air Monitoring Station <br /> State Standard(1-hr avg,0.25ppm) <br /> Federal Standard(annual, 100µg/m) <br /> +-- Maximum Concentration(1-hr avg) .068 .087 .077 .071 <br /> Days State Standard Exceeded 0 0 0 0 <br /> Annual Average(ppm) .014 .013 .014 .012 <br /> Suspended Particulate Matter(PMI,)--Stockton–Hazelton Air Monitoring Station <br /> State Standard(24-hr avg,50µg/m) <br /> 4 <br /> National Standard(24-hr avg, 150Rg/m) <br /> Maximum Concentration(pg/m) 91 140 87 39 <br /> 1 Number of Days State Standard Exceeded(Measured/Calculated) 9/52.1 11/64.2 10/58.4 3/17.3 <br /> Days National Standard Exceeded(Measured/Calculated') 0/0.0 0/0.0 0/0.0 0/0.0 <br /> ~ College Park at Mountain House Spec'rtic Plan III Draft EIR EDAW <br /> San Joaquin County 4.12-7 Air Quality <br />