2005 Almanac (page 18) 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, not to be exceeded."
National PM2.5 Standards:
65 ug/m3 for 24 hours based on the
98th percentile concentration averaged
"over three years, not to be exceeded and"
15 ug/m3 annual arithmetic mean
"averaged over 3 years, not to be exceeded."