EPA Method 8260B - Purgeable Internal Std

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

Hexachlorocyclopentadiene

1,1,1-Trichloro-2,2-bis[4-chloro(13C6)phenyl]ethane, 1.2mL x 100ug/mL, nonane