<?xml version="1.0" encoding="UTF-8"?>
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
  <url>
    <loc>https://chemsana.com/</loc>
    <lastmod>2026-07-27</lastmod>
    <changefreq>monthly</changefreq>
    <priority>1.0</priority>
  </url>
  <url>
    <loc>https://chemsana.com/features.html</loc>
    <lastmod>2026-07-27</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.8</priority>
  </url>
  <url>
    <loc>https://chemsana.com/pricing.html</loc>
    <lastmod>2026-07-27</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.8</priority>
  </url>
  <url>
    <loc>https://chemsana.com/contact.html</loc>
    <lastmod>2026-07-27</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
  </url>
  <!--
    The four /tools/ URLs are intentionally absent. They are built and tested
    but withheld until js/chem-data.js is generated from the app's EPA-sourced
    import — see plans/2026-07-27-tools-launch.md. Add them back at launch:

      /tools/                                     priority 0.9
      /tools/epcra-302-tpq-lookup.html            priority 0.9
      /tools/tier-ii-threshold-checker.html       priority 0.9
      /tools/gallons-to-pounds-calculator.html    priority 0.9
  -->
</urlset>
