Selenium (Se)

2,4,4'-Trichlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 7012-37-5

EPA Method 504 - EDB & DBCP

Esfenvalerate, 10.0 µg/ml, Acetonitrile, 10ml