polycyclic aromatic hydrocarbon

(redirected from Polynuclear aromatic hydrocarbons)
Also found in: Dictionary, 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 ?
In the second half of the year, during summer and fall, samples were also analyzed for polynuclear aromatic hydrocarbons (PAHs).
To plan future study designs, the RTI team will collect exposure data for chlorpyrifos and other pesticides, and for benzo(a)pyrene and other polynuclear aromatic hydrocarbons.
Polynuclear aromatic hydrocarbons or PAH are composed of a number of benzene rings, such as napthalene with two benzene rings: [FORMULA DATA OMITTED]
They propose that these compounds, called benzthiazoles, could serve as a tracr for certain toxic chemicals called polynuclear aromatic hydrocarbons (PAHs).
Soil contamination at the site includes coal tar-contaminated materials including but not limited to: volatile organic compounds (VOCs), including benzene, toluene, ethylbenzene and xylenes (BTEX); semi-VOCs, including polynuclear aromatic hydrocarbons (PAHs); and metals.
The relationship between polynuclear aromatic hydrocarbons in ambient air and 1-hydroxypyrene in human urine.
Samples were screened for more than 70 chemicals, including heavy metals, pesticides, polynuclear aromatic hydrocarbons, PCBs and herbicides.
Polynuclear aromatic hydrocarbons (PAHs) are ubiquitous and persistent environmental contaminants.
For example, municipalities discharging to San Francisco Bay cannot meet criteria for copper and mercury in dry weather flows, and lead, copper, zinc, and polynuclear aromatic hydrocarbons in stormwater discharges with combines sewer overflows without expensive additional facilities.