Multi-Element Internal Std., 10ug/ml, 4x25ml

2,2-Bis[3,5-dibromo-4-(2,3-dibromopropoxy)phenyl]propane, 50µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 21850-44-2

Propoxur D3, 100μg/ml in Acetone, 1ml

2,4-DB