Ethyl phthalyl ethyl glycolate, 1000mg

EPA Method 509 Internal Standard

n-Tetradecane , ?13C: -33.13, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-5, Cas.no. 629-59-4

3,3',4,4',5-Pentachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane