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

4,4'-DDE, 100 µg/ml, Acetonitrile, 5ml

N-Methyl(nitrosoamino)-ethanol,1000 µg/mL,acetonitrile,1mL,

1-Phenyltetradecane