4-Chloronitrobenzene, 100 µg/ml, Methanol, 1ml

n-Tetracosane-d50

1,2,7,9-Tetrachlorodibenzo-p-dioxin,50 µg/mL,n-nonane,1mL,

Fensulfothion, 100 µg/ml, Acetonitrile, 5ml