# Endosulfan Sulfate (P) — EPA national recommended water quality criteria for human health: pollutant concentration thresholds For Endosulfan Sulfate (P), cas registry number is 1031078; water + organism criterion (µg/l) is 20; organism only criterion (µg/l) is 40, verified against its source on 2026-08-17. - **Pollutant name:** Endosulfan Sulfate (P) _(verified: appears in the quote below)_ - **CAS Registry Number:** 1031078 _(verified: appears in the quote below)_ - **Water + Organism criterion (µg/L):** 20 _(verified: appears in the quote below)_ - **Organism Only criterion (µg/L):** 40 _(verified: appears in the quote below)_ ## What the source says > Endosulfan Sulfate (P) | 1031078 | 20 | 40 | 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/).