By Pollutant

stack testing
stack testing companies
stack emissions testing

Air Hygiene specializes in the following types of pollutants and EPA Reference Methods for Air Emissions Testing:

Instrumental

  • EPA Methods 1-4: Exhaust Flow
  • EPA Methods 3a Oxygen (O2) & Carbon Dioxide (CO2)
  • EPA Method 6c: Sulfur Dioxide (SO2)
  • EPA Method 7e & 20: Nitrogen Oxides (NOx)
  • EPA Method 8, 8a, & CTM-013: Sulfuric Acid Mist (H2SO4 / SO3) & Control Condensate
  • EPA Method 9 & 22: Opacity
  • EPA Method 10: Carbon Monoxide (CO)
  • EPA Method 18: Volatile Organic Compounds (VOC)
  • EPA Method 19: Fuel Factor
  • EPA Method 25a: Total Hydrocarbons (THC)
  • EPA Method 320: Formaldehyde (HCHO), Ammonia (NH3), Volatile Organic Compounds (VOC), Hazardous Air Pollutants (HAPs)
  • EPA Method 321: HCl
  • ASTM D-6348: Formaldehyde (HCHO), Ammonia (NH3), Volatile Organic Compounds (VOC), Hazardous Air Pollutants (HAPs)
  • ASTM D-6522: Nitrogen Oxides (NOx), Carbon Monoxide (CO), Oxygen (O2)

Isokinetic

  • EPA Methods 1-4: Exhaust Flow
  • EPA Method 4: Moisture
  • EPA Method 5: Filterable Particulate Matter (PM)
  • EPA Method 11: Hydrogen Sulfide (H2S)
  • EPA Method 12: Lead
  • EPA Methods 13 & 14: Total Fluoride
  • EPA Method 15: Reduced Sulfur Compounds
  • EPA Method 16: Total Reduced Sulfur
  • EPA Method 17: In-Stack Particulates
  • EPA Method 23: Dioxins and Furans
  • EPA Method 26 & 26a: Hydrogen Halides and Halogens
  • EPA Method 29: Metals
  • EPA Method 30b: Total Vapor Mercury
  • EPA Method 201a: PM 10 (<10 microns) and PM 2.5 (<2.5 microns)
  • EPA Method 202: Condensable Particulate Matter PM
  • EPA Method 306: Total Chromium
  • EPA Method 308: Methanol
  • EPA Method 316: Formaldehyde
  • ASTM D6784: Speciated Mercury