Ethoprophos, 100 µg/ml, Toluene, 1ml

3-Methylcarbazole, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 4630-20-0

2,2',3,3',4,4',5,5'-Octabromodiphenyl ether, 1.2ml x 50ug/ml, toluene

4,4'-DDD, 100 µg/ml, Acetonitrile, 5ml