n-Heptane, 5ml

EPA Method 502.2 Internal Standard

2,3-Dimethylphenanthrene , 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 3674-65-5

Endrin aldehyde, 1000µg/ml in Acetone, 1ml