Analytical testing for purposes of detecting the concentration levels of delta-9 tetrahydrocannabinol (THC) in the flower material of the cannabis plant shall meet the following standards:
  (1) laboratory quality assurance must ensure the validity and reliability of test results;
  (2) analytical method selection, validation, and verification must ensure that the testing method used is appropriate (fit for purpose) and that the laboratory can successfully perform the testing;
  (3) the demonstration of testing validity must ensure consistent, accurate analytical performance; and
  (4) method performance specifications must ensure analytical tests are sufficiently sensitive for the purposes of the detectability requirements of this subchapter.

Source Note: The provisions of this §24.25 adopted to be effective March 11, 2020, 45 TexReg 1655