Okla. Admin. Code § 252:301-7-8 - DEQ PT samples
As part of a laboratory's proficiency testing, the DEQ may also submit blind audit samples to an accredited laboratory.
Notes
State regulations are updated quarterly; we currently have two versions available. Below is a comparison between our most recent version and the prior quarterly release. More comparison features will be added as we have more versions to compare.
No prior version found.