QC Standard 5

2,3',4,4',5,5'-Hexachlorobiphenyl, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 52663-72-6

Endosulfan (techn.), 10µg/ml in Cyclohexane, 10ml

2,4-Dichlorophenol, 10µg/mL in MeOH, 10ml