Chlorthiophos, 100 µg/ml, Ethyl acetate, 5ml

o-Cresol-d8 & p-Cresol-d8

3-Phenylthiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2404-87-7

Arochlor 1221 , 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 11104-28-2