Prothiofos, 10.0 µg/ml, Ethyl acetate, 10ml

Benzyl mercaptan, 1ml

N-?Methylperfluorooctanesulfo?namide,neat,neat,10mg,

1,2,7,8-Tetrachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene