8:2 FTOH, 50µg/ml in MeOH, 1ml

2,2'-DDE, 10 µg/ml, Cyclohexane, 10ml

3,4,7,8,12,13-Hexachloropentadecane-13,14,15-13C3, 100µg/ml in Isooctane, 1ml

Cloxacillin-13C4 Sodium Salt, 1mg