2,3,4,5-Tetrachloroanisole, 100 µg/ml, Methanol,

13C6-Hexachlorobenzene, 100 µg/ml, Cyclohexane,

Arochlor 1248 , 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 12672-29-6

GC-IRMS Standards ((C25 (?13C: -28.21); C30 (?13C: -28.60); C36 (?13C: -26.15); C40 (?13C: -27.05)), 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-5, Cas.no.