Potential Downsides of a Career in Clinical Psychology. 1  Insurance companies require that clinicians keep extensive client records, so there is a considerable amount of paperwork. 2  There is a risk of burnout due to the demanding nature of therapy.
Soot is a byproduct of the incomplete burning of organic (carbon-containing) materials, such as wood, fuel oil, plastics, and household refuse. The fine black or brown powder that makes up soot may contain a number of carcinogens, including arsenic, cadmium, and chromium.
Soot comes from incomplete combustion of a carbon-based material. Any material that can burn can produce soot, including natural gas, LP, wood, oil, candle wax, gasoline, diesel fuel, tobacco smoke, dust, dirt, cooking oils, and carpet fibers. Sources include: * Unvented fossil-fired heating appliances, such as space heaters, kitchen ranges, and clothes dryers.