EPA Method 515.1 - Performance Check Solution

Methyl 11-trans-eicosenoate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 69119-90-0

Heliotrine, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 303-33-3

4,4'-DDE, 100 µg/ml, Ethyl acetate, 5ml