1,2,3-Trimethylbenzene, 100 µg/ml, Methanol, 1ml

2-Hydroxyatrazine, 100µg/mL in MeOH:AC (98:2),1ml

n-Perfluorododecanoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 307-55-1

17ß(H),21 alpha(H)-25,28,30-Trisnorhopane, neat, Solvent-neat, Unit ca. 5µg, # of units-1, Cas.no. 75503-03-6