Diquat and Paraquat Mix 1, 1000 µg/ml, Water, 1m

3,4,4',5-Tetrachlorobiphenyl, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 70362-50-4

COD Calibration Standard

2,2',4,4',6-Pentabromo[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane