VOC-Mix 15, 200µg/mL in Methanol, 1ml

1,2,3,5-Tetrachloro[13C6]benzene, 1.2ml x 100ug/ml, isooctane

Carbophenothion, 100 µg/ml, Ethyl acetate, 5ml

2,4-DB-methyl ester, 250mg