PAH Mix, 0.5mg/mL in Acetonitrile, 1ml

Theophylline, 100mg

Endosulfan alcohol, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 2157-19-9

3-Fluoro-2,3',4',5-tetrachlorobiphenyl, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.