QUANTITATIVE CHEMICAL (COCAINE)
The FTS Quantitative Chemical (Cocaine) Proficiency Test is designed to challenge forensic examiners who perform quantitative chemical analyses of cocaine. Samples consist of at least 500 milligrams of a cocaine hydrochloride mixture. Participants will be asked to report the results of quantitative analysis, as well as measurement uncertainty. Laboratory performance will be assessed by z-score and En -score using statistical methods described in ISO 13528:2022.