ASTM D-4815 Calibration Mix #3

1,2,3,4-Tetrachlorobenzene

2,2',5,5'-Tetrachlorobenzidine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 15721-02-5

Dimethachlor Metabolite CGA 369873 sodium, 10mg