Licence under question.

How many times over the years of successive governments have questions been raised regarding licences and/or conflict of interest? The West Australian covered a story where it was revealed the government had leased land to a chemical company that wants to continue dumping waste at a site classified as "possibly contaminated" Words escape me to describe the department, whose job is to protect the environment and the people.
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Is this another company to be remembered for some time: Millennium Inorganic Chemicals wants to continue dumping titanium dioxide waste. It's come from plants in Australind and Kemerton and has been dumped in sand dunes near Dalyellup. Their intention is to continue doing so for a further 3 years.The DEC have recently classified the site as "possibly contaminated", stating it needs further investigation. So what have they been doing since it first started up, who wrote the licence or has been keeping check/monitoring that the company was abiding by their license?
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It was revealed that the state government owned the Australind plant site (land) and leased it back to the company as part of a deal in the late 1980s in which the company was paid $6.35 million (tax dollars) to move part of its operations to Kemerton.This week in parliament Giz Watson (Green's Leader)raised queries about a possible conflict of interest.She was concerned about the state government being a truly independent assessor of the waste site licence extension application.
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This site obviously has not been properly monitored,why is the DEC report only coming out now, stating there are concentrations of CHROMIUM 111 in shallow groundwater. It was found to exceed adopted assessment levels for marine aquatic ecosystems. To say further assessment is required to determine the risk to the environment and environmental values, what risk assessments were carried out before this chemical company first commenced? What qualifications do the DEC have to write or pass licences particularly if they don't know of possible damages caused by different chemicals? Chromium 111 exposure can occur through inhalation, ingestion and eye or skin contact.