2,3,5-Trimethylphenol, 100 µg/ml, Acetonitrile,

gamma-HCH, 10 µg/ml, Acetonitrile, 10ml

2-Chlorobenzo trichloride,1000 µg/mL,isooctane,1mL,

Phthalimide, 100 µg/ml, Acetone, 1ml