Isoproturon, 10.0 µg/ml, Acetonitrile, 10ml

Nitrite (NO2-) as N

PAH-Dx - Mix 4, 100µg/ml in Acetonitrile, 5ml

2,3,4,5,6-Pentachlorobiphenyl ,100 µg/mL,isooctane,1mL,