Pesticide Mix #27, 1.0 µg/mL in Isooctane, 1ml

Sodium p-n-tridecylbenzenesulfonate, 1000µg/mL in MeOH, 1ml

Atrazine-2-hydroxy D5, 100µg/mL in MeOH, 1,1ml

N-Nitrosopiperidine, certified, 25mg