Malonic acid-dimethyl ester, 250mg

N-Methyldiethanolamine, 1000mg

3,3',5-Trichlorobiphenyl ,100 µg/mL,isooctane,1mL,

Sodium 1H,1H,2H,2H-perfluorooctylphosphate, 1.2ml x 50ug/ml, methanol