Pyroxsulam, 100 µg/ml, Acetonitrile, 1ml

EPA Method 300.0 Anions, 1000µg/ml in Water, 100ml

N-Nitrosonornicotine, 1000µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 808508-23-2

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