SWEL have just completed a desktop study in the Rainbow Hill Area. This report was produced a a quick turnaround. The site in question is being developed for a commercial use which is a lower risk site use. However, teh site is surrounded my numerous contamination sources, a gas works being the most significant.
Gas works were often the site of gasification plants, where coal for heated to produce coal gas, and coke as a bi product. However there are also many harmful bi product produced often which were dumped on to the ground around the plants cause intense contamination.
Benzo-a-pyrene is just one of the many contaminants associated with gasification plants, its causes cancers of teh skin, when people are exposed to it externally, these cancers are likely to form in folds of the skin around the next where dust may collect.