Test solutions are a solution of reagents in such solvents and of such definite concentrations, abbreviated “TS”. Dawn Scientific’s cUSP Test Solution is prepared to the specifications of the USP Pharmacopeial Convention for conducting USP and National Formulary tests and assays. Dawn Scientific cUSP Ready to use Test Solutions are the solution for chemist/Lab technicians to save their time and energy as a result they can focus on some other crucial work.