EPA Method 552 Internal Standard

2,2',3,4',6,6'-Hexachlorobiphenyl,100 µg/mL,isooctane,1mL,

10-cis-Undecenoic acid, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 112-38-9

n-Nonadecane