Chapter 252 - ENVIRONMENTAL LABORATORY ACCREDITATION
- Subchapter A - GENERAL PROVISIONS (§§ 252.1 — 252.6)
- Subchapter B - APPLICATION, FEES AND SUPPORTING DOCUMENTS (§§ 252.201 — 252.207)
- Subchapter C - GENERAL STANDARDS FOR ACCREDITATION (§§ 252.301 — 252.307)
- Subchapter D - QUALITY ASSURANCE AND QUALITY CONTROL REQUIREMENTS (§§ 252.401 — 252.405)
- Subchapter E - PROFICIENCY TEST STUDY REQUIREMENTS (§ 252.501)
- Subchapter F - ASSESSMENT REQUIREMENTS (§ 252.601)
- Subchapter G - MISCELLANEOUS PROVISIONS (§§ 252.701 — 252.708)