1664 Oil & Grease Calibration Level #1

Dibenzo[a,j]tetracene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 227-04-3

3,3',4,4'-Tetrachlorobiphenyl, neat, Solvent-neat, Unit 25mg, # of units-1, Cas.no. 32598-13-3

4-Dimethylaminoantipyrine, 250mg