2,3,3',4,5,5'-Hexachlorobiphenyl,100 µg/mL,isooctane,1mL,

Imidacloprid guanidine hydrochloride, 100 µg/ml,

Custom methyl-PAHs and trimethylbenzene Mixture 100µg/mL each in dichoromethane1x10mL 0289.17 1-Methylfluoranthene 1274.9 1,2,3-Trimethylbenzene 0712.11 1-Methyl napthalene

Phosphatidylethanol,100 µg acid/mL,chloroform,1mL