Diltiazem hydrochloride,neat,neat,10mg,

2,2',3,3',4,5,6'-Heptachlorobiphenyl,100 µg/mL,isooctane,1mL,

GC/MS Hexachlorobenzene Mixture 1356,6 Hexachlorobenzene [118-74-1] 50µg/ml

Paraoxon-methyl, 10µg/ml in Acetonitrile, 10ml