Ethofumesate, 100 µg/ml, Acetonitrile, 5ml

PCB No. 170, 10 ng/µl, 10ml

4,4'-Dibromodiphenyl ether, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 2050-47-7

2-Mercapto-4,5,6,7-d4-benzimidazole, 5mg