SECTION 252:302-7-9. Supplemental studies  


Latest version.
  •   A laboratory may elect to participate in PT studies more frequently than required by the semiannual schedule. Additional studies are not distinguished from the routinely scheduled studies. They are counted and scored the same way and must be at least fifteen (15) calendar days apart from the date of analysis.
[Source: Added at 28 Ok Reg 1201, eff 7-1-11]