525 Internal Standard

Octabromobiphenyl, techn. (hepta+octa+nona), 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 27858-07-7

5ß(H)-Cholanic acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 546-18-9

EPA Method 525 - Perchlorinates