PCB Isomer Standard, 100µg/ml in Isooctane, 1ml

1,2,4,5-Tetrachlorobenzene, 1000µg/ml in MeOH, 1ml

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

Phenols Standard