Chrysene-d12, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 1719-03-5

GC-IRMS Standards (C15 (?13C: -30.22); C20 (?13C: -33.06); C25 (?13C: -28.21)), 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-5, Cas.no.

2,4,6-Trichlorophenoxyacetic acid, 10 µg/ml, Acet

Penconazole, 100 µg/ml, Acetonitrile, 5ml