It's More Than DustSmoke, Soot, Dust. Some is necessary. How much is too much? We understand and know EPA Method 9 compliance and EPA Method 22 for frequency of emissions.
Respirable Dust is measured in Particulate Matter (PM)
How big is PM?
- PM4 Respirable Crystalline Dust
- PM10 Thoracic Dust (Dust, Pollen, Mold)
- PM100 Inhaleable Dust
- PM500 Table Salt
- PM1000 United States Dime