D4-Cyromazine, 100 µg/ml, Acetone, 1ml

2,2’,3,3’,4,4’-Hexachlorobiphenyl (128)

n-Eicosane, ?13C: -33.06, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 112-95-8

EPA Method 525