RESPIRATORYCAS 67-56-1
Methanol
646k lb · -21% YoY
Methanol concentrations have fallen 48% since 2010.
GENERALCAS 7783-06-4
Hydrogen sulfide
492k lb · -0% YoY
Hydrogen sulfide concentrations are up 41% since 2012.
GENERALCAS N511
Nitrate compounds (water dissociable; reportable only when in aqueous solution)
220k lb · -80% YoY
Nitrate compounds (water dissociable; reportable only when in aqueous solution) concentrations have more than halved since 2010.
GENERALCAS 7664-41-7
Ammonia
148k lb · +1% YoY
Ammonia concentrations are up 91% since 2010.
RESPIRATORYCAS N450
Manganese compounds
140k lb · -40% YoY
Manganese compounds concentrations have more than halved since 2010.
RESPIRATORYCAS 7647-01-0
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)
57k lb · -5% YoY
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) concentrations have more than halved since 2010.
CARCINOGENCAS 75-07-0
Acetaldehyde
52k lb · -6% YoY
Acetaldehyde concentrations are roughly unchanged from 2010.
RESPIRATORYCAS 108-95-2
Phenol
20k lb · -5% YoY
Phenol concentrations are up 10% since 2010.