# 2,4-Dimethylphenol (P) — EPA national recommended water quality criteria for human health: pollutant concentration thresholds For 2,4-Dimethylphenol (P), cas registry number is 105679; water + organism criterion (µg/l) is 100; organism only criterion (µg/l) is 3,000, verified against its source on 2026-08-17. - **Pollutant name:** 2,4-Dimethylphenol (P) _(verified: appears in the quote below)_ - **CAS Registry Number:** 105679 _(verified: appears in the quote below)_ - **Water + Organism criterion (µg/L):** 100 _(verified: appears in the quote below)_ - **Organism Only criterion (µg/L):** 3,000 _(verified: appears in the quote below)_ ## What the source says > 2,4-Dimethylphenol (P) | 105679 | 100 | 3,000 | 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/).