Barium

For Barium, cas registry number is 7440393; water + organism criterion (µg/l) is 1,000; organism only criterion (µg/l) is —, verified against its source on 2026-08-17.

Pollutant name: Barium verified
CAS Registry Number: 7440393 verified
Water + Organism criterion (µg/L): 1,000 verified
Organism Only criterion (µg/L): — verified

Sourceepa.gov

Verified2026-08-17

Review by2028-08-16

DatasetEPA national recommended water quality criteria for human health: pollutant concentration thresholds

What the source says

Barium | 7440393 | 1,000 | — | 1986

— epa.gov, retrieved 2026-08-17

Source

epa.govhttps://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table

Last verified against source: 2026-08-17. Due for re-check by 2028-08-16. This page as Markdown · OKF bundle · full dataset as JSON.