4-(tert-Octyl)phenol, 1000µg/ml in MeOH, 1ml

3,3',4,5'-Tetrachlorobiphenyl ,100 µg/mL,isooctane,1mL,

Hexavalent Chromium (Cr 6+)

Fluazifop-methyl, 10.0 µg/ml, Acetonitrile, 10ml