Oklahoma Administrative Code (Last Updated: March 11, 2021) |
TITLE 252. Department of Environmental Quality |
Chapter 302. Field Laboratory Accreditation |
Subchapter 7. Proficiency Testing |
SECTION 252:302-7-7. PT criteria for laboratory accreditation
Latest version.
- The following criteria apply individually to each analyte as defined by the laboratory seeking accreditation in its application:(1) Results of the PT study shall be considered successful when the results are "acceptable" and are within the acceptable limits established and published by the PT Provider.(2) The DEQ shall consider PT results along with the other elements of these rules when determining a laboratory's accreditation status;(3) For initial accreditation or supplemental testing, the studies must be at least fifteen (15) calendar days apart from the date of analysis.