D5-Atrazine-desisopropyl, 100 µg/ml, Acetone, 1m

Tepraloxydim Metabolite GP, 100 µg/ml, Acetonitri

Method 515.3 ICS Mix

O,O-Diethylthiophosphate-13C2, sodium salt, 100µg/ml in MeOH, 1ml