A serious threat lurks in many Brazilian cities: polychlorinated biphenyls (PCBs). These substances, often called askarel, were common in electrical equipment due to their heat-absorbing and antibacterial properties. However, we now know that they’re harmful to both our health and the environment.
On August 14, which marks National Pollution Control Day, Brazil’s Ministry of the Environment and Climate Change announced an investment of 30 million BRL to safely dispose of these toxic PCBs. The funds will help licensed companies manage and eliminate contaminated equipment.
According to Thaiane Resende, the Director of Environmental Quality at the ministry, PCBs are classified as Persistent Organic Pollutants (POPs). They were banned globally under the Stockholm Convention because they can lead to severe health issues, including cancer, hormonal imbalances, and neural problems.
Brazil’s legislation sets strict deadlines for eliminating these substances. Yet, there’s still a pressing challenge: many industries still have contaminated materials waiting for disposal. A recent report states that as of July 2025, over 500,000 tons of PCB-contaminated material are yet to be dealt with. This situation underscores the urgency of the matter, especially since the deadline for safe disposal is set for 2028.
To aid businesses in managing the issue, the Ministry created the Responsible PCB Project, which provides online guidance for detecting and disposing of contaminated materials. The website lists licensed disposal companies, making it easier for businesses to get the help they need.
For those with contaminated equipment, the financial support can range from 1,200 to 3,200 BRL per ton, depending on where the waste is collected. This financial backing is essential for companies to manage the burden of disposal.
Public awareness around PCBs is crucial. A study by the World Health Organization shows that educating the public about chemical hazards can lead to safer environments. Many users on social media have expressed concern about the lingering effects of PCBs, emphasizing the importance of swift action from the government.
As we reflect on the past, it’s clear that the efforts to mitigate pollution must increase. Brazil’s commitment to eliminating PCBs showcases a broader global initiative to combat harmful substances. Moving forward, it’s vital to not just eliminate these threats but also to educate communities on preventing future pollution.
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