Hexavalent Chromium (Cr+6), 10mg/mL in H2O, 500ml

Perfluorobutyric acid, sodium salt, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 2218-54-4

Organic Acids Mix #3

Formothion, 10.0 µg/ml, Ethyl acetate, 10ml