Method 4 Standard 1

n-Octanal-PFBOA derivative, 1000µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no.

2,2,3,5-Tetrachlorobiphenyl (BZ-44)

cis-1,2,3,6-Tetrahydrophthalimide, 100 µg/ml, Ace