# Atrazine — US EPA pesticide residue tolerance limits by active ingredient and crop commodity For Atrazine, commodity is Corn, pop, stover; tolerance (ppm) is 0.5; cfr section is 180.220, recorded from its source on 2026-08-17. - **Active ingredient:** Atrazine _(verified: appears in the quote below)_ - **Commodity:** Corn, pop, stover _(verified: appears in the quote below)_ - **Tolerance (ppm):** 0.5 _(verified: appears in the quote below)_ - **CFR section:** 180.220 _(our reading, not quoted from the source)_ ## What the source says > Corn, pop, stover | 0.5 | ## Source - https://www.ecfr.gov/current/title-40/chapter-I/subchapter-E/part-180/subpart-C/section-180.220 Last verified: 2026-08-17. Review by: 2026-11-15. Part of [US EPA pesticide residue tolerance limits by active ingredient and crop commodity](https://referencesource.org/pesticide-residue-tolerance-limits/).