Wisconsin Administrative Code (Last Updated: January 10, 2017) |
Agency NR. Department of Natural Resources |
Chapters 100-199. Environmental Protection – General |
Chapter 149. Laboratory Certification And Registration |
SubChapter V. Proficiency Testing |
Section 149.22. Required analyses of proficiency testing samples. |
Section 149.23. Approval of proficiency testing sample providers. |
Section 149.24. Schedule of analysis. |
Section 149.25. Treatment of proficiency testing samples by laboratories. |
Section 149.26. Submittals. |
Section 149.27. Proficiency testing sample acceptance limits and grading. |
Section 149.28. Procedure for correcting unacceptable proficiency testing sample results. |