S-Metolachlor Metabolite CGA 357704, 100 µg/ml, A

17ß(H)-Hop-21(22)-en-3-one, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 17152-56-6

EPA Method 8121 Surrogate Standard

Quaterrylene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 188-73-8