GENERALCAS 7664-41-7
Ammonia
6k lb · -10% YoY
Ammonia concentrations have fallen 42% since 2016.
RESPIRATORYCAS 7647-01-0
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)
3k lb · -13% 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.
RESPIRATORYCAS 107-21-1
Ethylene glycol
1k lb · -10% YoY
Ethylene glycol concentrations are up 25% since 2021.
RESPIRATORYCAS N090
Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region)
957 lb · +3% YoY
Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) concentrations are up 78% since 2021.
PBTCAS N420
Lead compounds
10 lb · -7% YoY
Lead compounds concentrations have more than halved since 2010.
PBTCAS N458
Mercury compounds
7 lb · -36% YoY
Mercury compounds concentrations have more than halved since 2010.
PBTCAS N150
Dioxin and dioxin-like compounds
0 lb · -3% YoY
Dioxin and dioxin-like compounds volumes here are too small to anchor a multi-year trend; YoY movement is still shown above.