QC requirements specified by approved methodologies shall be practiced in the general water quality laboratory. The laboratory shall establish control limits for all types of QC samples.
Okla. Admin. Code § 252:301-9-53
QC requirements specified by approved methodologies shall be practiced in the general water quality laboratory. The laboratory shall establish control limits for all types of QC samples.
Okla. Admin. Code § 252:301-9-53