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ENVIRONMENTAL HEALTH & SAFETY |
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Assessing risk at a South Australian development
Residents, property owners and other stakeholders in the Adelaide suburb of Woodville, South Australia can be assured that the site’s former industrial use does not pose a risk to human health. Woodville, which has seen some recent economic decline with the reduction of its industrial base, is making a comeback as a residential area due partly to its historic nature. It was important to make sure that the area’s industrial past posed no health risks for present and future residents, so former property owner Stockland Development Pty Ltd asked Golder to conduct a Human Health Risk Assessment (HHRA) on the former Sherridan site. This site previously operated as a textile mill for 60 years, and included a facility that had been used to store pesticides, herbicides, petroleum products, solvents and dyes. The HHRA was designed to determine the health risk posed by the Volatile Organic Compounds, which are hydrocarbons that readily turn to vapour under normal temperatures and pressures, as reported in an Environmental Site Assessment conducted by Golder in 2006. The HHRA examined risk to residents, visitors and to workers employed on the grounds. Golder completed a sensitivity analysis of the exposure modelling which indicated that even with more conservative assumptions than used in the HHRA, the chemicals detected in the groundwater do not pose a risk to human health.
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