contaminant

“In some ways it’s not a surprise, but the specific contaminant, cyclospora, is more unusual than E. coli and salmonella problems in leafy greens.”

From MarketWatch ● Jul. 30, 2026

It’s the first time the agency has designated pharmaceuticals as a contaminant group, according to an April press release.

From Salon ● Jul. 6, 2026

“For the first time in the program’s history, EPA is designating both microplastics and pharmaceuticals as priority contaminant groups,” he said.

From Los Angeles Times ● Apr. 2, 2026

She said researchers and government agencies have done a number of studies showing “that contaminant levels on aircraft are generally low and that health and safety standards are met.”

From The Wall Street Journal ● Dec. 22, 2025

Almost as an aside, he pointed out one possibility that other researchers hadn’t considered: all transformed cells seemed to behave identically to HeLa, he wrote, which could mean that HeLa was the contaminant.

From "The Immortal Life of Henrietta Lacks" by Rebecca Skloot

Wastewater treatment plants in the U.S. and Mexico filter some of the contaminants, but those facilities have failed over the past decade and released hundreds of millions of gallons of raw sewage into the river.

From Los Angeles Times ● Sep. 2, 2026

Before those experiments can begin, however, researchers need to establish a clear baseline showing what contaminants humans introduce.

From Science Daily ● Aug. 25, 2026

The water that flows through the pipes to us is made safe in part by physics—a pressure loss can lead to backflow of groundwater, sewage, and soil contaminants.

From Slate ● Aug. 19, 2026

However, Wrexham council said later investigations and risk assessments concluded that although contaminants were present, the sites did not meet the legal threshold requiring remediation.

From BBC ● Aug. 10, 2026

And what of the outflow of scores of other rivers, carrying contaminants perhaps equally lethal?

From "Silent Spring" by Rachel Carson