# Chromium (VI) (P) — EPA national recommended water quality criteria for human health: pollutant concentration thresholds For Chromium (VI) (P), cas registry number is 18540299; water + organism criterion (µg/l) is Total; organism only criterion (µg/l) is —, verified against its source on 2026-08-17. - **Pollutant name:** Chromium (VI) (P) _(verified: appears in the quote below)_ - **CAS Registry Number:** 18540299 _(verified: appears in the quote below)_ - **Water + Organism criterion (µg/L):** Total _(verified: appears in the quote below)_ - **Organism Only criterion (µg/L):** — _(verified: appears in the quote below)_ ## What the source says > Chromium (VI) (P) | 18540299 | Total | — | — ## Source - https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table Last verified: 2026-08-17. Review by: 2028-08-16. Part of [EPA national recommended water quality criteria for human health: pollutant concentration thresholds](https://referencesource.org/epa-water-quality-criteria-human-health/).