Supplemental Calibration Solution, 500ul, nonane

Chlorpyrifos-methyl, 100 µg/ml, Acetonitrile, 1m

Fluorene-d10, 1000µg/ml in methylene chloride, 1ml

GC-IRMS Standards ((C25 (?13C: -28.21); C30 (?13C: -28.60); C36 (?13C: -26.15); C40 (?13C: -27.05)), 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no.