RESPIRATORYCAS 67-56-1
Methanol
106k lb · +1% YoY
Methanol concentrations are up 19% since 2010.
GENERALCAS N511
Nitrate compounds (water dissociable; reportable only when in aqueous solution)
85k lb · +142% YoY
Nitrate compounds (water dissociable; reportable only when in aqueous solution) concentrations have more than doubled since 2022.
GENERALCAS 7664-41-7
Ammonia
71k lb · -0% YoY
Ammonia concentrations have fallen 18% since 2010.
RESPIRATORYCAS 7647-01-0
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)
22k lb · +2% YoY
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) concentrations have fallen 45% since 2010.
GENERALCAS 7783-06-4
Hydrogen sulfide
15k lb · -14% YoY
Hydrogen sulfide concentrations are roughly unchanged from 2012.
RESPIRATORYCAS 108-95-2
Phenol
8k lb · -14% YoY
Phenol concentrations have more than doubled since 2010.
CARCINOGENCAS 75-07-0
Acetaldehyde
7k lb · -0% YoY
Acetaldehyde concentrations have more than halved since 2010.
GENERALCAS 10049-04-4
Chlorine dioxide
6k lb · -3% YoY
Chlorine dioxide concentrations are roughly unchanged from 2010.