6-Nitrochrysene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 7496-02-8

Bis(2-ethylhexyl) isophthalate, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 137-89-3

Tadalafil, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 171596-29-5

Cadmium (Cd), 5µg/ml in in 2%-HNO3/Water, 4x25ml