Justis AI
Product
Solutions
Use cases
Resources
Pricing
Sign In
Book Now
US law
North Dakota
Regulations
Title 33.1 — Department of Environmental Quality
Article 33.1-23 — Division of Chemistry Laboratories
Chapter 33.1-23-03 — Environmental Laboratory Certification Proficiency Testing
North Dakota · Regulations
Chapter 33.1-23-03 — Environmental Laboratory Certification Proficiency Testing
6 sections
6 sections
NDAC 33.1-23-03-01
Proficiency testing requirements
NDAC 33.1-23-03-02
Laboratory testing of proficiency test study samples
NDAC 33.1-23-03-03
Reporting results
NDAC 33.1-23-03-04
Restrictions on exchanging information
NDAC 33.1-23-03-05
Evaluation on results
NDAC 33.1-23-03-06
Repeat proficiency tests