EPA Method 8060 QC Check Solution

4,4'-DDE, 100µg/mL, Solvent-dichloromethane, Unit 1mL, # of units-1, Cas.no. 72-55-9

Aroclor 1262

Tadalafil, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 171596-29-5