# Bis(2-Chloroethyl) Ether (P) — EPA national recommended water quality criteria for human health: pollutant concentration thresholds For Bis(2-Chloroethyl) Ether (P), cas registry number is 111444; water + organism criterion (µg/l) is 0.030; organism only criterion (µg/l) is 2.2, verified against its source on 2026-08-17. - **Pollutant name:** Bis(2-Chloroethyl) Ether (P) _(verified: appears in the quote below)_ - **CAS Registry Number:** 111444 _(verified: appears in the quote below)_ - **Water + Organism criterion (µg/L):** 0.030 _(verified: appears in the quote below)_ - **Organism Only criterion (µg/L):** 2.2 _(verified: appears in the quote below)_ ## What the source says > Bis(2-Chloroethyl) Ether (P) | 111444 | 0.030 | 2.2 | 2015 ## 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/).