Section 24.27 - Testing Procedure(a) The laboratory shall test samples in accordance with the Department "Testing Procedure".(b) The laboratory shall maintain the chain of custody of each sample using a form prescribed by the Department.(c) The laboratory shall retain the sample for a minimum of thirty (30) business days from the sample collection date.4 Tex. Admin. Code § 24.27
Adopted by Texas Register, Volume 45, Number 10, March 6, 2020, TexReg 1669, eff. 3/11/2020