# Chlorpyrifos — US EPA pesticide residue tolerance limits by active ingredient and crop commodity

For Chlorpyrifos, commodity is Hazelnut; tolerance (ppm) is 0.2; cfr section is 180.342, recorded from its source on 2026-08-17.

- **Active ingredient:** Chlorpyrifos _(verified: appears in the quote below)_
- **Commodity:** Hazelnut _(verified: appears in the quote below)_
- **Tolerance (ppm):** 0.2 _(verified: appears in the quote below)_
- **CFR section:** 180.342 _(our reading, not quoted from the source)_

## What the source says

> Hazelnut | 0.2 |

## Source

- https://www.ecfr.gov/current/title-40/chapter-I/subchapter-E/part-180/subpart-C/section-180.342

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/).