RESPIRATORYCAS 67-56-1
Methanol
194k lb · +20% YoY
Methanol concentrations have more than halved since 2010.
GENERALCAS 7664-41-7
Ammonia
59k lb · -0% YoY
Ammonia concentrations have fallen 41% since 2010.
RESPIRATORYCAS N450
Manganese And Manganese Compounds
53k lb · +12% YoY
Manganese And Manganese Compounds concentrations have fallen 21% since 2010.
GENERALCAS 7783-06-4
Hydrogen sulfide
30k lb · -6% YoY
Hydrogen sulfide concentrations have fallen 22% since 2012.
GENERALCAS N982
Zinc compounds
21k lb · +19% YoY
Zinc compounds concentrations are up 62% since 2016.
GENERALCAS N511
Nitrate compounds (water dissociable; reportable only when in aqueous solution)
20k lb · -56% YoY
Nitrate compounds (water dissociable; reportable only when in aqueous solution) concentrations are roughly unchanged from 2016.
CARCINOGENCAS 75-07-0
Acetaldehyde
18k lb · +39% YoY
Acetaldehyde concentrations have more than halved since 2010.
GENERALCAS N040
Barium compounds (except for barium sulfate (CAS No. 7727-43-7))
13k lb · +4% YoY
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) concentrations are up 72% since 2018.