EPA Method 611 - Analytes

1D,1D,2H,2H-1-Hydroxyperfluorododecane, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no.

13C3-6:2 Fluorotelomer sulfonamide alkylbetaine (13C3-6:2 FTAB), 50µg/ml in MeOH, 1,2ml

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