Prothiofos, 100 µg/ml, Acetonitrile, 1ml

2,4,5-T-methyl ester, 100 µg/ml, Acetonitrile, 1

(13C10)Heptachlor, 1.2mL x 100ug/mL, nonane

2,2',3,3',4,5,6,6'-Octabromodiphenyl ether, 1.2ml x 50ug/ml, toluene