EPA Method 507 Analyte Mix #1

2,4-Dibromophenol-PFB, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no.

2,3,6-Trichlorophenol, 100 µg/ml, Methanol, 5ml

Perfluorobutane sulfonic acid