Volatiles Mix A2, 2000ug/ml in MeOH, 1ml

2,2',3,3',4',5,5'-Heptachloro-4-biphenylol, 1.2ml x 50ug/ml, nonane

3-Methyl-1-butanol, 1ml

PCB No. 167, 10µg/ml in Isooctane, 10ml