This sample also contained the highest detected concentrations of 1,2,4-trimethylbenzene
(200 pg/L), methyl isobutyl ketone (10,000 [micro]g/L), isopropyl alcohol (1,200,000 [micro]g/L), and ethanol (480,000 [micro]g/L).
The solvents used for the solvent-based stains were acetone, n-butyl acetate, xylenes, 2-butoxyethanol, 1-methoxy-2-propanol, toluene, naphta, isobutanol, 1,2,4-trimethylbenzene
, butan-1-ol, and 4-hydroxy-4-methyl-2-pentanone.
2] Polar (nonaldehyde) Acetic acid, 2-butanone, organic carbon Aromatic Benzene, toluene, ethylbenzene, m-xylene and p-xylene, o-xylene, n-propylbenzene, p-ethyltoluene, m-ethyltoluene, 1,3,5-trimethylbenzene, 1,2,4-trimethylbenzene
and sec-butylbenzene Aldehyde Benzaldehyde, heptanal, hexanal, octanal Alkane 2,2,4-Trimethylpentane, 2,2-dimethylbutane, 2,3,4-trimethylpentane, 2,3-dimethylbutane.