EPA Method 8141 / 1618 Pesticide Mix B

Dibromoacetic acid, certified, 0.25g

C28 1-Methyl triaromatic sterane + C28 Triaromatic sterane (0856.28), 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 80382-31-6

Hexavalent Chromium (Cr 6+)