1-Methylnaphthalene, 10.0 µg/ml, Acetonitrile, 1

4-n-Nonylbiphenyl, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 93972-01-1

Oxprenolol

EPA Method 8270C - B/N Matrix Spiking Solution