Thursday, May 3, 2012

Port dredging underestimated - The West Australian

Port dredging underestimated - The West Australian:
A confidential Federal Government review of the dredging which was unearthed about the same time had detailed serious concerns about the potential impact on the marine environment from toxins, including arsenic and zinc.

The review also found basic modelling had not been tested widely and was based on dredging over 12 months when it was likely to take longer.

Other details that would normally be addressed in a dredging assessment had either not been included or not discussed in sufficient detail, the review said.

Metocean data expert Piers Larcombe, who carried out research for the Department and Woodside, also criticised the modelling for its lack of data.

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