Although the industry has never acknowledged this problem, many of these undesired aromatic polyamines are known or suspected carcinogens.

Pavement sealant contains chemicals that are known carcinogens, which get into nearby homes, lakes, and the air.

And nobody even knows the full extent of contamination by trihalomethanes - other suspected carcinogens - except that it is widespread.

VOCs are known or suspected carcinogens and, therefore, could have posed a serious risk to neighbors if they were exposed to the chemicals.

Most intercalators are large polyaromatic compounds and are known or suspected carcinogens.

This is important because many of these chemicals are known carcinogens, shown in laboratory-controlled studies to induce tumors.

Chemicals used in some of the waxes, like orthophenylphenol, are known carcinogens.

They are known teratogens, mutagens, and suspected human carcinogens.

Many of these chemicals are known or suspected carcinogens.

One example is that of the azo-colorants that are well known carcinogens.