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Table 13-2. <br /> AM81ENT AIR QUALITY STANDARDS <br /> pwkwmm a <br /> Amrsig"Toone <br /> Mpti aA a.6 y <br /> 0 11 <br /> M 1 how 0.10 OW — _ <br /> (200 u9W1 <br /> onn I horn — — 0.6 1 2 WM • E <br /> X <br /> Carol"Manadhoa horn A Pon NWeOisperskv t10sl 10 mew <br /> pore+) Pd~V lafferw <br /> 1 how 20 Pont (NOIR) 40 RWMS (Noon) <br /> s) Ila open) <br /> N Annual A — 100 uWM3 <br /> Gas Phuap ) et Ges <br /> 1 how 0.25 Plain Charntowni <br /> (470 eghes) <br /> A 80 ushaill _ <br /> t <br /> 24 horn 096 Point 365 uslins _ <br /> (131 eglmsle Ultraviolet 10.14 ) Peter •pw <br /> Fl <br /> 3 hoer — — 1300 reims <br /> 5 ) <br /> 1 how 0.25 <br /> (655 sl <br /> Susowded Annual G <br /> Man 30 M s <br /> 24 Aar 50 k1fts PMre — <br /> Gawnesft 75 wWm3 60 wow 1,110 Valunie <br /> mom <br /> 24 how2W w&fts 190 Wooftll <br /> 1Ca"ifOrrill standards.other thancarbon •de.sulfur ry, an margin of .to protect <br /> dioxide (t ) and particulate ® 1e,are - the public health. Each state mem attain the primary <br /> values that art not to be equaled or exceeded. The $u no law thart three years after that state's <br /> carbon xide,sulfur dioxide(1 )and particulate IMPlementafm Plan is approved by the Environmental <br /> matter—PMIiistandards are not to be exceeds& Protection Agency (EPA). <br /> 2. National Standards. other than ozone and those based S. National Secondary Standwds:The levels of air quality <br /> an annual averages or annual geoingtric maiing.am not to Pratect she public welfare from any known <br /> to be exceeded mon than once a year, The ozone or anticipated adverse effects of a pollutant, Each state <br /> standard is attuned the expected nurltw of days must attain the secondary standards within a on• <br /> W calendar year with maximum " after the Implementation plana approved <br /> trilticm above the standard is equal to or less Ow one. by the EPA. <br /> 3. COnclintration expressed first in unfits in which it was 7. Reference mathod as described by the EPA_ An -equi- <br /> promulgated. Equivalent units given in parentheses am valent erne of measurernent may be used but must <br /> based upon a reference temperature of 26aC and a have a"consistent relationship to the reference method- <br /> r0flenincs pressure of 760 mm of marctiry.All measure- and must be approwd by the EPA. <br /> ms of air quality are to be corrected to a reference <br /> temperature of 2S°C and a reference pressure of 760 & Prevailing risibility is defined as the greatest visibility <br /> mm of Ng (1,013.2 millibar): ppm in this table refers which is attained or surpassed around at least half of <br /> to PPM by volume, or micromoles of pollutant per mole the horizon circle. but not necessarily in continuous <br /> of gas. sectors, <br /> 4. Any equivalent procedure which can be shown to the 9. At locations where the state standards for oxidant and/or <br /> satisfaction of the Air Resources Board to give equivalent Suspended particulate matter are violated. National <br /> results at or near the level of the air quality standard standards apply elsewhere. <br /> may be used. <br /> 10. Measured as ozone. <br /> S. National Primary Standards: The levels of air quality <br /> TABLE 13-2 <br />