Demeton-S-methyl, 100 µg/ml, Toluene, 1ml

Terbuthylazin, 100μg/ml in Acetonitrile, 5ml

Volatile Standard #2

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