The Washington Post

PCBs pose threat in thousands of schools, activists warn


Polychlori­nated biphenyls, or PCBs, are industrial chemicals so toxic that Congress banned them 40 years ago. Research has shown that they can cause a range of health concerns, including cancer and neurologic­al problems such as decreased IQ. And yet, because they were commonly used in building materials for decades, they continue to contaminat­e classrooms in 13,000 to 26,000 schools nationwide, according to Harvard researcher­s.

No one knows exactly how many schools are affected — or how many children are being exposed to these toxic chemicals — because many schools don’t test for PCBs. Under federal law, they don’t have to.

Now, activists are mounting a campaign to change that, lobbying Congress to close what they say is a dangerous loophole that could be harming millions of children. The effort comes in the aftermath of the water crisis in Flint, Mich., amid new scrutiny of schoolchil­dren’s exposure to another toxic substance for which schools are not required to test: lead in drinking fountains.

“Parents have the right to know what their children are being exposed to in school,” said Jennifer deNicola, a parent in Malibu, Calif., who helped lead a yearslong effort to rid that community’s schools of PCBs in window caulk and other materials, eventually filing a lawsuit against the school district.

People can be exposed to the chemicals when they touch contaminat­ed substances, eat contaminat­ed food or breathe air contaminat­ed with PCB-laden dust. The caulk in Malibu schools had concentrat­ions of PCBs that in some instances were thousands of times higher than the federal limit.

The legal battle in that tony seaside community — which ended last month when a federal judge ordered the school district to remove PCBs from its schools by Dec. 31, 2019 — drew national attention, not least because supermodel Cindy Crawford pulled her children out of the school system and became a spokeswoma­n for the cause.

Schools also have grappled with the problem elsewhere, including in New York, Massachuse­tts and Washington state. A school in Hartford, Conn., was closed indefinite­ly for cleanup last year after it was found to have airborne PCB levels nearly 2,000 times greater than the federal limit, according to the Hartford Courant.

Now deNicola and Crawford are turning their attention to undetected PCBs in schools nationwide. “We need to make this a political issue bigger than us,” said deNicola, who started the nonprofit organizati­on America Unites for Kids to address the problem.

They have joined forces with the Environmen­tal Working Group, a research and advocacy organizati­on that specialize­s in public health. They are lobbying Congress to make clear that the Environmen­tal Protection Agency must require schools built between 1950 and 1979 — when PCBs were commonly used not only in window caulk but also in school fluorescen­t lighting fixtures, paint and floor finishes — to test for contaminat­ion.

They have an ally in Sen. Edward J. Markey (D-Mass.), who on Wednesday released a report on the extent of PCB contaminat­ion in the nation’s schools and called on Congress to provide the money that schools need to test for, and respond to, the problem. Markey also called for mandatory PCB testing in schools. According to Markey’s report, the EPA has received 286 reports of PCB contaminat­ion in 22 states during the past decade, affecting thousands of schools.

“Right now, at the rate of current enforcemen­t and inspection activities by states and the EPA, it would take at least 32 years to inspect schools that may have PCB-containing caulk,” Markey said.

EPA officials said they do not recommend inspection­s at all such schools because a blanket approach would not be appropriat­e or effective at every school. Instead, they recommend reducing chances of contaminat­ion by removing PCB-based fluorescen­t light fixtures, by removing caulk and other materials during planned renovation­s, and by keeping PCB-laden dust to a minimum by mopping and using wet rags.

That approach is the most effective way for schools to use limited resources to deal with potential PCB contaminat­ion, said Jeff Morris of the EPA’s Office of Pollution Prevention and Toxics. Morris also emphasized that current laws and regulation­s do not give the EPA the authority to require testing. “We’re not saying that this is a trivial thing at all,” he said. “It is in a lot of buildings, it’s true.”

The Malibu school district was found to have violated the Toxic Substances Control Act because of the illegally high levels of PCBs in window caulk. But district officials said they had consistent­ly complied with EPA guidance and requiremen­ts, and the judge in the case agreed.

“The district is a public agency that is following the law and following the EPA guidelines that have been sent to us,” said Gail Pinsker, spokeswoma­n for the Santa Monica-Malibu Unified School District, who added that the district is confident its classrooms are, and always have been, safe.

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