Recommended Scope for NPS Testing in the United States – Q3 2022 Posted on November 28, 2022 By Becky Carter Alex Krotulski, Donna Papsun, Dani Mata, Kayla Ellefson, Elisa Shoff, Kevin Shanks, Szabolcs Sofalvi, Wayne Lewallen, Svante Vikingsson and Barry Logan SOFT; CFSRE; November 2022 Access article Chemistry, Seized Drugs/Controlled Substances, Toxicology