D4-4-n-Nonylphenol, 100 µg/ml, Acetone, 1ml

2,2',4,5-Tetrachlorobiphenyl ,100 µg/mL,isooctane,1mL,

Pentachlorophenol ICV Mix

Metazachlor ethane sulfonic acid, 100µg/ml in Acetonitrile, 1ml