Nitrofen, 10.0 µg/ml, Cyclohexane, 10ml

2-Chloro-4-tert-butylphenol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 98-28-2

Octachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

Sodium 1H,1H,2H,2H-perfluoro(1,2-13C2)dodecanesulfonate (10:2), 50µg/ml in MeOH, 1,2ml