Method 508 Calibration Standard

2,2',3,4',5,5'-Hexachlorobiphenyl,100 µg/mL,isooctane,1mL,

n-Heptadecane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 629-78-7

2-Chloronaphthalene, 100µg/ml in Acetonitrile, 5ml