This is a 2024 test that is part of the CTS Late Order Purchase (LOP) plan. Credit card purchase only. Participants determine the concentration of two Cocaine Hydrochloride samples. Available to U.S. laboratories with a DEA registration number and international laboratories pending appropriate documentation. Samples ship in October.
 

Participants analyze samples for the presence/identity of controlled substances. Available to U.S. laboratories with a DEA registration number and international laboratories pending appropriate documentation. Samples ship in March.

Participants analyze samples for the presence/identity of controlled substances. Test items are completely randomized and available for purchase on-demand. Available to U.S. laboratories with a DEA registration number only.

Participants analyze samples for the presence/identity of controlled synthetic drug substances. Available to U.S. laboratories with a DEA registration number and international laboratories pending appropriate documentation. Samples ship in July.