The combination has been tested on samples of polyaromatic hydrocarbons and surfactants in water.

More than 20% of the carbon in the universe may be associated with polyaromatic hydrocarbons, including naphthalene.

This enables the plant to tolerate salt, heavy metals, and polyaromatic hydrocarbons.

Largely, these will be various hydrocarbons, among the most useful being polyaromatic hydrocarbons.

First, I believe that a proposal to include polyaromatic hydrocarbons and heavy metals in the ship emissions strategy is perhaps premature.

Polyaromatic hydrocarbons are also present in soot, which was suggested to be a causative agent of cancer over 150 years earlier.

In Europe we have polyaromatic hydrocarbons.

Some of the chemicals released in this process are benzo(a)pyrene and other polyaromatic hydrocarbons.

Past research has found that burning these materials can produce potentially cancer-causing substances, including benzene and polyaromatic hydrocarbons.

But other substances, including polyaromatic hydrocarbons (PAHs), can linger much longer.

Table 12 Emission rates of polyaromatic hydrocarbons from four grades of fuel oil, as reported by Miller et al.

Similarly, sediments from Huelva showed high concentrations of polyaromatic hydrocarbons, polychlorinated biphenyls, and pesticides.

The materials found include trichloroethylene, tetrachloroethylene, and polychlorinated biphenols, and polyaromatic hydrocarbons, Collins said.

Other common smoke components present in lower concentrations are carbon monoxide, formaldehyde, acrolein, polyaromatic hydrocarbons, and benzene.

Populations have developed resistance to methylmercury, kepone, dioxins, polychlorinated biphenyl, and polyaromatic hydrocarbons.

It is known that polyaromatic hydrocarbons found in tobacco and cannabis smoke induce the action of CYP1A2.

Organochlorines and polyaromatic hydrocarbons in the St. Lawrence River at Wolfe Island, 1982/84.

They include polyaromatic hydrocarbons (PAH), aromatic amines and inorganic compounds.

Phytoremediation can be used to clean up metals, pesticides, solvents, explosives, crude oil, polyaromatic hydrocarbons and landfill leachates.

HPA's, also known as polyaromatic hydrocarbons, are formations of hydrogen atoms surrounding rings of carbon.

One question concerns the effects of chemicals called polyaromatic hydrocarbons, which are known to cause cancer over extended periods and appear in Kuwait at far higher-than-normal levels.

Blown dust carrying herbicides, pesticides, bacteria, viruses, fungi, nutrients, polyaromatic hydrocarbons, carcinogens and heavy metals.

Decomposition of polyaromatic hydrocarbons (PAHs).

• polyaromatic hydrocarbons (PAH)

Other materials Polyaromatic Hydrocarbons (PAH) can arise from a wide range of combustion processes.