WS Benzo(a)pyrene - Cal Check

Cyclamic Acid-d11, 1mg

Fenvalerate, 100 µg/ml, Acetonitrile, 5ml

GC-IRMS Standards (C15 (?13C: -30.22); C20 (?13C: -33.06); C25 (?13C: -28.21)), 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no.