4-Methylchrysene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 3351-30-2

bis(2-Ethylhexyl) phthalate

20-Methyl-5 alpha(H)-pregnane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 5737-19-9

2,3,5,6-Tetrachlorophenol, 1000µg/ml in MeChl, 1ml