<?xml version="1.0" encoding="utf-8"?><urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" xmlns:news="http://www.google.com/schemas/sitemap-news/0.9" xmlns:image="http://www.google.com/schemas/sitemap-image/1.1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.sitemaps.org/schemas/sitemap/0.9 http://www.sitemaps.org/schemas/sitemap/0.9/sitemap.xsd http://www.google.com/schemas/sitemap-news/0.9 http://www.google.com/schemas/sitemap-news/0.9/sitemap-news.xsd"><url><loc>https://www.waterworld.com/drinking-water-treatment/news/55374253/usalco-opens-new-california-facility-to-expand-water-treatment-chemical-supply</loc><news:news><news:publication><news:name>WaterWorld</news:name><news:language>en</news:language></news:publication><news:publication_date>2026-04-29T14:37:33.000Z</news:publication_date><news:title>Usalco opens new California facility to expand water treatment chemical supply</news:title></news:news></url><url><loc>https://www.waterworld.com/drinking-water-treatment/pfas/news/55373894/epa-updates-guidance-on-pfas-destruction-and-disposal-methods</loc><news:news><news:publication><news:name>WaterWorld</news:name><news:language>en</news:language></news:publication><news:publication_date>2026-04-28T15:00:37.000Z</news:publication_date><news:title>EPA updates guidance on PFAS destruction and disposal methods</news:title></news:news></url></urlset>