Hexavalent Chromium (Cr +6)

ßß-Carotane, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 17161-33-0

1,2,4-Trichlorobenzene, 1000µg/ml in MeOH, 1ml

2,4-D