2,3,4,5-Tetrachlorophenol, 100 µg/ml, Methanol,

Robenidine HCl, 100µg/mL in Acetone:MeOH, 1ml

D4-1,4-Dichlorobenzene, 10.0 µg/ml, Methanol, 10

Antimony (Sb), 1000µg/ml in 2%-HNO3/Water, 100ml