Source: Research finds that low concentrations of pesticides can become toxic mixture
“Endosulfan appears to be about 1,000-times more lethal to amphibians than other pesticides that we have examined,” Relyea said. “Unfortunately, pesticide regulations do not require amphibian testing, so very little is known about endosulfan’s impact on amphibians
Wow I didn’t know that our EPA doesn’t even require testing on amphibians. Wow.