RESPIRATORYCAS 67-56-1
Methanol
1.2M lb · -13% YoY
Methanol concentrations are up 31% since 2010.
GENERALCAS 7664-41-7
Ammonia
186k lb · -17% YoY
Ammonia concentrations have fallen 48% since 2010.
RESPIRATORYCAS N450
Manganese compounds
150k lb · +46% YoY
Manganese compounds concentrations have fallen 24% since 2010.
CARCINOGENCAS 75-07-0
Acetaldehyde
127k lb · +14% YoY
Acetaldehyde concentrations are up 27% since 2010.
GENERALCAS N511
Nitrate compounds (water dissociable; reportable only when in aqueous solution)
98k lb · +136% YoY
Nitrate compounds (water dissociable; reportable only when in aqueous solution) concentrations have more than doubled since 2023.
GENERALCAS N982
Zinc compounds
81k lb · +16% YoY
Zinc compounds concentrations have more than doubled since 2010.
GENERALCAS 7664-93-9
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)
47k lb · — YoY
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) volumes here are too small to anchor a multi-year trend; YoY movement is still shown above.
GENERALCAS 7783-06-4
Hydrogen sulfide
39k lb · -8% YoY
Hydrogen sulfide concentrations are roughly unchanged from 2012.