---
kind: "unit"
title: "40"
title_heading: "Protection of Environment"
key: "chI/subchE/part158"
level: "part"
label: "Part 158"
heading: "Data Requirements for Pesticides"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/40/chI-subchE-part158"
sections_count: 121
---

# Part 158 — Data Requirements for Pesticides

Title 40 C.F.R. — Protection of Environment › Chapter I — Environmental Protection Agency › Subchapter E — Pesticide Programs

## Sections

- [§158.700-158.900. Reserved](/cfr/40/158.700-158.900.md)
- [§158.1200-158.1299. Reserved](/cfr/40/158.1200-158.1299.md)
- [§158.1500-158.1699. Reserved](/cfr/40/158.1500-158.1699.md)
- [§158.2300-158.2500. Reserved](/cfr/40/158.2300-158.2500.md)

## Contents

- [Subpart A — General Provisions](/cfr/40/chI-subchE-part158-subpartA.md)
- [Subpart B — How To Use Data Tables](/cfr/40/chI-subchE-part158-subpartB.md)
- [Subpart C — Experimental Use Permits](/cfr/40/chI-subchE-part158-subpartC.md)
- [Subpart D — Product Chemistry](/cfr/40/chI-subchE-part158-subpartD.md)
- [Subpart E — Product Performance for Products Claiming Effectiveness Against Vertebrate Pests, Products With Prion-Related Claims, and Products for Control of Organisms Producing Mycotoxins](/cfr/40/chI-subchE-part158-subpartE.md)
- [Subpart F — Toxicology](/cfr/40/chI-subchE-part158-subpartF.md)
- [Subpart G — Ecological Effects](/cfr/40/chI-subchE-part158-subpartG.md)
- [Subpart H-J — Subparts H-J [Reserved]](/cfr/40/chI-subchE-part158-subpartH-J.md)
- [Subpart K — Human Exposure](/cfr/40/chI-subchE-part158-subpartK.md)
- [Subpart L — Spray Drift](/cfr/40/chI-subchE-part158-subpartL.md)
- [Subpart M — Subpart M [Reserved]](/cfr/40/chI-subchE-part158-subpartM.md)
- [Subpart N — Environmental Fate](/cfr/40/chI-subchE-part158-subpartN.md)
- [Subpart O — Residue Chemistry](/cfr/40/chI-subchE-part158-subpartO.md)
- [Subpart P-Q — Subparts P-Q [Reserved]](/cfr/40/chI-subchE-part158-subpartP-Q.md)
- [Subpart R — Product Performance for Products Claiming Effectiveness Against Invertebrate Pests](/cfr/40/chI-subchE-part158-subpartR.md)
- [Subpart S — Subparts S—T](/cfr/40/chI-subchE-part158-subpartS.md)
- [Subpart U — Biochemical Pesticides](/cfr/40/chI-subchE-part158-subpartU.md)
- [Subpart V — Microbial Pesticides](/cfr/40/chI-subchE-part158-subpartV.md)
- [Subpart W — Antimicrobial Pesticide Data Requirements](/cfr/40/chI-subchE-part158-subpartW.md)
- [Subpart X-Z — Subparts X-Z [Reserved]](/cfr/40/chI-subchE-part158-subpartX-Z.md)