EPA Method 551Mix “A”

Dibenzothiophene in Xylene 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 S-4054-0-XY S

Fenamiphos-sulfone, 100 µg/ml, Acetonitrile, 1ml

PAH/PCB Internal Standard Mix 2 0711,10 Naphthalene 0816,14 Phenanthrene 0239,20 Benzo[a]pyrene 2001,12 2,2’,4,5,5’-Pentachlorobiphenyl PCB 101 2005,12 2,2’,3,4,4’,5,5’-Heptachlorobiphenyl PCB 180 Conc: 0.01mg/ml in methanol