RESPIRATORYCAS 7647-01-0
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)
151k lb · -4% YoY
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) concentrations have more than doubled since 2010.
RESPIRATORYCAS 67-56-1
Methanol
128k lb · -2% YoY
Methanol concentrations have more than halved since 2010.
RESPIRATORYCAS N450
Manganese And Manganese Compounds
114k lb · +2% YoY
Manganese And Manganese Compounds concentrations are roughly unchanged from 2010.
GENERALCAS 7664-41-7
Ammonia
106k lb · -2% YoY
Ammonia concentrations have fallen 41% since 2010.
GENERALCAS N040
Barium compounds (except for barium sulfate (CAS No. 7727-43-7))
87k lb · +8% YoY
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) concentrations have fallen 13% since 2010.
GENERALCAS N511
Nitrate compounds (water dissociable; reportable only when in aqueous solution)
42k lb · +3% YoY
Nitrate compounds (water dissociable; reportable only when in aqueous solution) concentrations are roughly unchanged from 2010.
CARCINOGENCAS 75-07-0
Acetaldehyde
33k lb · +1% YoY
Acetaldehyde concentrations have more than halved since 2010.
GENERALCAS 7783-06-4
Hydrogen sulfide
30k lb · -2% YoY
Hydrogen sulfide concentrations are roughly unchanged from 2012.