Terpenes - Mix 4 each 1000 μg/ml in Methanol, 5ml

1,3-Dichloropropane, 99%

Tetrachloro-m-xylene, 1000μg/ml in MeOH, 1ml

2,3',4,4',5',6-Hexachlorobiphenyl ,100 µg/mL,isooctane,1mL,