Oklahoma Administrative Code
Title 252 - DEPARTMENT OF ENVIRONMENTAL QUALITY
Chapter 302 - Field Laboratory Accreditation
Subchapter 7 - Proficiency Testing
- Section 252:302-7-1 - Participation required
- Section 252:302-7-2 - PT sample treatment
- Section 252:302-7-3 - Initial accreditation
- Section 252:302-7-4 - PT Requirements
- Section 252:302-7-5 - Maintenance of PT records
- Section 252:302-7-6 - Evaluation of PT results
- Section 252:302-7-7 - PT criteria for laboratory accreditation
- Section 252:302-7-8 - Failure to perform
- Section 252:302-7-9 - Supplemental studies
- Section 252:302-7-10 - Corrective action
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