PAH-Mix 9, 100 ng/µl, 10ml

Tri-n-propylphosphate-d21, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.

Cythioate, 100 µg/ml, Methanol, 1ml

EPA Method 502.2 Internal Standard