State PM10 Standards:
50 ug/m3 for 24 hours and
"30 ug/m3 annual geometric mean,"
neither to be exceeded.

National PM10 Standards:
150 ug/m3 for 24 hours
"not to be exceeded, based on"
the 99th percentile concentration
averaged over 3 years 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.