Methiocarb-sulfoxide, 10.0 µg/ml, Acetonitrile,

Ethalfluralin, 100 µg/ml, Acetonitrile, 5ml

Praseodymium (Pr)

IP 391-95 Performance Standard 4 Analytes, each Wt.% as listed in n-Heptane; units: 1x5mL, 5x5mL Cyclohexane 10.0 mg/mL o-Xylene 5.0mg/mL Dibenzothiophene 0.5mg/mL 9-Methylan