3 ms·
The PFAS that show up in rain get there by also having a vapor pressure sufficient for atmospheric transport. They evaporate and condense with the rain. These c
by philipkglass 4y ago
The PFAS that show up in rain get there by also having a vapor pressure sufficient for atmospheric transport. They evaporate and condense with the rain. These chemicals aren't Teflon itself but other polyfluorinated molecules, used as intermediates in Teflon product production or for other purposes.