Endosulfan sulfate (13C9), 100µg/mL in Nonane, 1,2

Sulfur Calibr. Mix. Dibenzothiophene in Isooctane. Units: 5x1mL ampoule, 1x10mL screw cap bottle Chiron No. (Matrix) Concentration Isooctane Xylene White oil 3 cst µgS/g (ppm) Wt.% S-4055-0-IO

Pentafluorobenzoyl chloride, neat, Solvent-neat, Unit 5mL, # of units-1, Cas.no. 2251-50-5

EPA Method 8270 PAH Standard