Hexavalent Chromium (Cr +6)

2,2',3,4,6-Pentachlorobiphenyl ,100 µg/mL,isooctane,1mL,

1,1,1,3-Tetrachlorooctane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 18088-13-6

2,4-Dichlorophenol, 10µg/mL in MeOH, 10ml