EPA Method 548 Calibration Solution

4-Chloro[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane

Methyl 15-cis-tetracosenoate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2733-88-2

2-Phenylphenolate sodium tetrahydrate (technical),