---
kind: "unit"
title: "40"
title_heading: "Protection of Environment"
key: "chI/subchD/part136"
level: "part"
label: "Part 136"
heading: "Guidelines Establishing Test Procedures for the Analysis of Pollutants"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/40/chI-subchD-part136"
sections_count: 7
---

# Part 136 — Guidelines Establishing Test Procedures for the Analysis of Pollutants

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

## Sections

- [§136.1. Applicability.](/cfr/40/136.1.md)
- [§136.2. Definitions.](/cfr/40/136.2.md)
- [§136.3. Identification of test procedures.](/cfr/40/136.3.md)
- [§136.4. Application for and approval of alternate test procedures for nationwide use.](/cfr/40/136.4.md)
- [§136.5. Approval of alternate test procedures for limited use.](/cfr/40/136.5.md)
- [§136.6. Method modifications and analytical requirements.](/cfr/40/136.6.md)
- [§136.7. Quality assurance and quality control.](/cfr/40/136.7.md)