EPA Method 8270C - B/N Matrix Spiking Solution

3,3,4,4,4-Perfluorobutan-1-ol , 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 54949-74-5

Methyl eicosatetraenoate (C20:4n-6)

Pendimethalin, 100 µg/ml, Ethyl acetate, 5ml