EPA Method 200.8 Internal Standard

Mono-n-butyl phthalate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 131-70-4

TEPP, 10.0 µg/ml, Ethyl acetate, 10ml

n-Tridecane, ?13C: -33.47, 150ug/ml, Solvent-cyclohexane, Unit 1mL, # of units-10, Cas.no. 629-50-5