EPA Method 528 Fortification Solution

4,4'-DDE, 100 µg/ml, Toluene, 5ml

Fipronil-desulfinyl, 25mg

trans-1-Isopropyl-4-methylcyclohexane, 1000µg/mL, Solvent-hexane, Unit 1mL, # of units-1, Cas.no. 1678-82-6