o-Toluidine, 100 µg/ml, Methanol, 5ml

Fenthion-sulfone, 100µg/ml in Acetonitrile, 1ml

Phosphorous Standards Phosphorus in Light White Mineral Oil, 20Cst Tri-n-butylphosphate, 99+% (Chiron product nr. 1399.19) CAS [126-73-8] Matrix: Isooctane , 20cSt Units: 1x25mL, 1x100mL Isooctane

Custom chlorinated hydrocarbon mixture 100µg/mL each in dichloromethane 3959.7 2-Chorotoluene 3960.7 4-Chlorotoluene 1993.10 1-Chloronaphthalene