2003 Almanac (page 25) Table 1-3
State PM10 Standards:
50 ug/m3 for 24 hours
not to be exceeded and
"20 ug/m3 annual arithmetic mean,"
not to be exceeded.
State PM2.5 Standard:
"12 ug/m3 annual arithmetic mean,"
not to be exceeded.
National PM10 Standards:
"150 ug/m3 for 24 hours, not to be exceeded,"
more than once per year and
50 ug/m3 annual arithmetic mean
averaged over 3 years.
National PM2.5 Standards:
"65 ug/m3 for 24 hours, not to be exceeded,"
based on the 98th percentile concentration
averaged over three years and
15 ug/m3 annual arithmetic mean
averaged over 3 years.