Hexachlorobenzene, 1000µg/ml in Toluene, 1ml

Ethanol standard in water,1.5g/L,water, 1.5mL

7,10-Dimethylbenzo[a]pyrene, 50µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 63104-33-6

2,2',3,3',4,4',5,5'-Octachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane