D8-4,4'-DDT, 100 µg/ml, Acetone, 1ml

Tri-o-tolylphosphate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 78-30-8

Perfluorooctane sulfonic acid, potassium salt,50 µg/mL,MeOH,1mL,

2,4’,5-Trichlorobiphenyl