Groups

Compounds

Concentration, ppb

Aromatic

Benzene

2.68

Benzofuran

1.38

Nitrogenated

Butanamide

0.68

Phenylserine

0.35

Oxygenated

Carbamic acid

4.62

Cyclopentanol

0.01

Dodecanoic acid

9.98

Oxindole

0.79