GENERALCAS N982
Zinc compounds
678k lb · +1% YoY
Zinc compounds concentrations are roughly unchanged from 2010.
RESPIRATORYCAS N450
Manganese compounds
284k lb · -1% YoY
Manganese compounds concentrations are up 13% since 2010.
RESPIRATORYCAS 67-56-1
Methanol
227k lb · +2% YoY
Methanol concentrations have more than halved since 2010.
GENERALCAS 7664-41-7
Ammonia
217k lb · +10% YoY
Ammonia concentrations are roughly unchanged from 2010.
GENERALCAS N511
Nitrate compounds (water dissociable; reportable only when in aqueous solution)
144k lb · +3% YoY
Nitrate compounds (water dissociable; reportable only when in aqueous solution) concentrations are up 44% since 2010.
RESPIRATORYCAS 7647-01-0
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)
93k lb · +14% 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.
GENERALCAS 7783-06-4
Hydrogen sulfide
79k lb · +2% YoY
Hydrogen sulfide concentrations have fallen 23% since 2012.
GENERALCAS N040
Barium compounds (except for barium sulfate (CAS No. 7727-43-7))
50k lb · -19% YoY
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) concentrations are roughly unchanged from 2010.