Atrazine-desisopropyl, 100µg/ml in AL, 5ml

Proguanil hydrochloride, neat, Solvent-neat, Unit 250mg, # of units-1, Cas.no. 637-32-1

Method 1640 Tuning Standard

Ethyl heptanoate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 106-30-9