Toxic substances may include numerous things, including some you may not think of as particularly hazardous, or some that were not regarded as dangerous when they were used. Examples include such common products as asbestos shingles or insulation, lead-based paint, or fluids drained from motor vehicles. The law regarding toxic substances is very complex, and to ensure that you receive the most accurate, and current, advice, you should consult an attorney experienced in the law of toxic substances.