Imidacloprid-d4, 100µg/ml in Acetonitrile, 1ml

Arochlor 1232, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 11141-16-5

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

EPA Method 515.1 - Performance Check Solution