US lawLouisianaRegulationsTitle 33 — ENVIRONMENTAL QUALITYPart I — Office of the SecretarySubpart 3Chapter 59 — Accreditation for Laboratories Participating in the NELAP Certification Program5909LAC 33:I.5909LAC 33:I.5909. Proficiency Testing ParticipationLast amended: 2000Year: 2026Length: 20 wordsOfficial source Cite as La. Admin. Code tit. 33, pt. I, § 5909A. All laboratories seeking accreditation under NELAP shall participate in the department-approved proficiency testing program as required in LAC 33:I.4711.PreviousLAC 33:I.5907NextLAC 33:I.5911