polycyclic aromatic hydrocarbon

(redirected from Polynuclear aromatic hydrocarbons)
Also found in: Medical, Encyclopedia.
Related to Polynuclear aromatic hydrocarbons: Pahs

polycyclic aromatic hydrocarbon

n. Abbr. PAH
Any of a class of carcinogenic organic molecules that consist of three or more benzene rings and are commonly produced by fossil fuel combustion. Also called polynuclear aromatic hydrocarbon.
References in periodicals archive ?
The soil was found to be tainted by several contaminants, including polynuclear aromatic hydrocarbons, or PAHs; arsenic, lead and nickel; cyanide; and volatile organic compounds, or VOCs.
Louis River was polluted with polynuclear aromatic hydrocarbons and heavy metals left over from the areas industrial past.
Jones, Polynuclear Aromatic Hydrocarbons in the United Kingdom Environment: A Preliminary Source Inventory and Budget, Environ.
However, unsafe levels of polychlorinated biphenyls (PCBs), mercury, lead and polynuclear aromatic hydrocarbons (PAHs) remain present.
There are three peak groups of aromatic hydrocarbons (AHs) in the TICs of Biluo Co oil shale samples: a peak group of naphthalenes and alkyl naphthalenes, a peak group of phenanthrenes and alkyl phenanthrenes, and a peak group of aromatic sterenes and other polynuclear aromatic hydrocarbons (PAHs).
The contamination consists mostly of chemicals called polynuclear aromatic hydrocarbons, as well as benzene, toluene and xylenes.
Bioactivation of polynuclear aromatic hydrocarbons to cytotoxic and mutagenic products by marine fish.
Zhuang, "Determination of polynuclear aromatic hydrocarbons in aerosol by solid-phase extraction and gas chromatography-mass spectrum," Talanta, vol.
They also expect that levels of any of these contaminants should be below detectable limits via mass spectrometry, for polynuclear aromatic hydrocarbons or chemiluminescence for N-nitrosoamines.
The researchers say evidence for cooked carbohydrates is confirmed by both the cracked/roasted starch granules observed microscopically and the molecular evidence for cooking and exposure to wood smoke or smoked food in the form of a range of chemical markers including methyl esters, phenols, and polynuclear aromatic hydrocarbons found in dental calculus.
Contaminants found at the sites include benzene, heavy metals, polynuclear aromatic hydrocarbons (PAHs), volatile organic compounds (VOCs), and trichloroethylene (TCE).