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  • Collection Waste Management and Pollution Control
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Problem of e-waste continues to grow in the Pacific (audio)
Waste Management and Pollution Control
Available Online

Nolan, Bradley

2020
A new report has found that more than 53.6 million tonnes of e-waste was dumped or burned globally last year, which is the equivalent of 350 cruise ships, and up more than 20 per cent in just five years. The UN's Global E-waste Monitor 2020 also ranked Oceania as the second highest region, per capita, of e-waste, with each person generating 16.1 kilograms on average, it said. Common e-waste items include old mobile phones, batteries, TVs, computers and tablets. But Australia and New Zealand are the leading producers of that e-waste, with people in Pacific countries like Samoa and Tonga estimated to produce 3.1 kilograms per person, and in Fiji and PNG, the figure was just 1.5 kilograms. It's a problematic issue across the globe but in the Pacific, where in many countries there isn't the space for all this dumped technology, problems are looming. The region's peak environment body, SPREP, is working on several projects to tackle the issue. Bradley Nolan, the Project Manager for PacWastePlus, which is funded by the European Union, told Pacific Beat "disposable societies and large incomes" in countries like Australia and New Zealand explain why residents in those countries produce such large quantities of e-waste. And he suggested that Australia and other donor partners may in fact contribute to some of the e-waste in Pacific nations, with equipment such as computers donated when they had reached their end-of-life there. "There have been some incidents where some of the metropolitan countries [ie Australia, New Zealand] when some of their products are at the end of their useful life, say in a government department, has gifted those to countries to help out. "But of course they have less life, so they become an instant e-waste problem when they hit the islands...so aid and the work that people are attempting to do, with great intentions, creates some significant problems at the other end," he said.
Chemicals of Concern in Plastic toys
Waste Management and Pollution Control
Available Online

Aurisano, Nicolò

,

Fantke, Peter

,

Huang, Lei

,

Jolliet, Olivier

,

Milà i Canals, Llorenç

2020
We present a list of Chemicals of Concern (CoCs) in plastic toys. We started from available studies reporting chemical composition of toys to group plastic materials, as well as to gather mass fractions and function of chemicals in these materials. Chemical emissions from plastic toys and subsequent human exposures were then estimated using a series of models and a coupled near-field and far-field exposure assessment framework. Comparing human doses with reference doses shows high Hazard Quotients of up to 387 and cancer risk calculated using cancer slope factors of up to 0.0005. Plasticizers in soft plastic materials show the highest risk, with 31 out of the 126 chemicals identified as CoCs, with sum of Hazard Quotients > 1 or child cancer risk > 10􀀀 6. Our results indicate that a relevant amount of chemicals used in plastic toy materials may pose a non-negligible health risk to children, calling for more refined investigations and more human- and eco-friendly alternatives. The 126 chemicals identified as CoCs were compared with other existing regulatory prioritization lists. While some of our chemicals appear in other lists, we also identified additional priority chemicals that are not yet covered elsewhere and thus require further attention. We finally derive for all considered chemicals the maximum Acceptable Chemical Content (ACC) in the grouped toy plastic materials as powerful green chemistry tool to check whether chemical alternatives could create substantial risks.