The particulate phase includes nicotine, 'tar'(itself composed of many chemicals), benzene and benzo(a)pyrene.

Chemicals manufactured by other industries at the site include phenol, benzene, and toluene.

Aromatics includes benzene, toluene, and xylenes.

Those produced on the cellulose-based medium included heptane, octane, benzene, and some branched hydrocarbons.

The waste, which included benzene and other carcinogens, posed a risk to area residents, park visitors, wildlife and others.

Other causes include obesity, inactivity (sedentary lifestyle), excessive alcohol consumption, radiation, genetic problems, excessive sunlight exposure, benzene, and a number of other chemicals and toxins.

VOCs include benzene, formaldehyde, and butadienes which are known to cause health problems such as birth defects, cancer, and skin irritation.

Solvents used for this preparation include benzene, cyclohexane, and diethyl ether.

EPA Administrator William Reilly has called on industrialists to "exercise choice and imagination" in curbing the pollutants, which include carbon tetrachloride, benzene and chloroform.

Major pollutants indicated by the study include nickel compounds, naphthalene, aniline, and benzene.