(a) Specimen validity testing is the evaluation of the specimen to determine if it is consistent with normal human urine. The purpose of validity testing is to determine whether certain adulterants or foreign substances were added to the urine, if the urine was diluted, or if the specimen was substituted.

Ask an employment law question, get an answer ASAP!
Thousands of highly rated, verified employment lawyers
Specialties include: Employment Law, EEOC, Pension and Compensation, Harassment Law, Discrimination Law, Termination Law, General Legal and more.
Click here to chat with a lawyer about your rights.

(b) As a laboratory, you must conduct validity testing.

[65 FR 79526, Dec. 19, 2000, as amended at 66 FR 41951, Aug. 9, 2001; 73 FR 35970, June 25, 2008. Redesignated at 88 FR 27643, May 2, 2023]