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

Ribitol-1,2,3,4,5-13C5, 5mg

Bromate (BrO3-)

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