Isophthalic acid, bis-methyl ester. 1g

2',3,5-Trichlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 37680-68-5

PCB Congener Mix, 100µg/ml in Isooctane, 1ml

Siloxane - Mix 8, 100µg/ml in Acetone, 5ml