Oklahoma Administrative Code (Last Updated: March 11, 2021) |
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 |