EPA Method 617/8080/8250/8270 - Analytes

2,3,3',4-Tetrahlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 74338-24-2

Pyriofenone, 10mg

EPA Method 8260B Surrogate Standard