# Nitrosodibutylamine — EPA national recommended water quality criteria for human health: pollutant concentration thresholds For Nitrosodibutylamine, cas registry number is 924163; water + organism criterion (µg/l) is 0.0063; organism only criterion (µg/l) is 0.22, verified against its source on 2026-08-17. - **Pollutant name:** Nitrosodibutylamine _(verified: appears in the quote below)_ - **CAS Registry Number:** 924163 _(verified: appears in the quote below)_ - **Water + Organism criterion (µg/L):** 0.0063 _(verified: appears in the quote below)_ - **Organism Only criterion (µg/L):** 0.22 _(verified: appears in the quote below)_ ## What the source says > Nitrosodibutylamine | 924163 | 0.0063 | 0.22 | 2002 ## 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/).