2,2',3,6-Tetrachlorobiphenyl,100 µg/mL,isooctane,1mL,

Simazine, 100µg/ml in Methanol, 1ml

Azulene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 275-51-4

17ß(H),21ß(H)-(22RS)-Bishomohopane , neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 54311-28-5