Triamiphos, 100 µg/ml, Acetonitrile, 1ml

1,2,4,5-Tetrachlorobenzene, 1000µg/ml in MeOH, 1ml

6-Nitrobenzo[a]pyrene-d11,neat,neat,10mg,

Phenyltin Chloride Stand, 2000µg/ml in MeChl, 1ml