Ethofumesate, 10µg/mL in Acetonitrile, 10ml

α-1,2,5,6,9,10-Hexabromo[13C12]cyclododecane, 1.2ml x 50ug/ml, toluene

2-Nitrophenol-3,4,5,6-d4, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-5, Cas.no. 93951-78-1

2,3,4,4'-Tetrachlorobiphenyl (60)