MCPB-ethyl, 100µg/ml in Acetonitrile, 5ml

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

Multi-Element Sol.1, 10µg/mL in 5%HNO3 /H2O, 100ml

Pentadecafluorooctanoic acid, 100mg