Pyrazophos, 10.0 µg/ml, Acetonitrile, 10ml

Metolachlor D6 (propyl D6), 100 ng/µl, 1.1ml

2,4-Dimethylbenzoic acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 611-01-8

9-Nitroanthracene-d9, 100µg/ml in Toluene, 1ml