EPA Method 625 Base/Neutrals Mix #4

1,1,1,3-Tetrachlorotridecane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 67095-50-5

n-Butyl iso-butyl phthalate (n-Butyl 2-methylpropyl phthalate), neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 17851-53-5

N-Methyl perfluorooctane sulfonamide, 10mg