# Methoxychlor — EPA national recommended water quality criteria for human health: pollutant concentration thresholds For Methoxychlor, cas registry number is 72435; water + organism criterion (µg/l) is 0.02; organism only criterion (µg/l) is 0.02, verified against its source on 2026-08-17. - **Pollutant name:** Methoxychlor _(verified: appears in the quote below)_ - **CAS Registry Number:** 72435 _(verified: appears in the quote below)_ - **Water + Organism criterion (µg/L):** 0.02 _(verified: appears in the quote below)_ - **Organism Only criterion (µg/L):** 0.02 _(verified: appears in the quote below)_ ## What the source says > Methoxychlor | 72435 | 0.02 | 0.02 | 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/).