<?xml version="1.0" encoding="UTF-8"?>
<!-- Origin root. RadCalc ships its own sitemap under /calc/; this one lists the pages the
     umbrella itself owns. robots.txt names both. RadiMeter and M-Phreefiteq moved to
     radimeter.radiation-lab.com and disposal.radiation-lab.com (2026-10-06) and each declares
     its sitemap in its own robots.txt.

     lastmod is here because Google uses it to decide when a page is worth
     re-crawling, and this page had no signal at all: a title and a description
     rewritten on 2026-09-17 were still showing the previous wording in results
     hours later. lastmod does not force a crawl, and an inaccurate one is worse
     than none because Google learns to ignore the file — so gate/check-sitemap.mjs
     compares it against the last commit that touched public/ and fails if it drifts.

     The image entry names the one picture this page shows (the hero plate; 2026-10-06 ④ the tool
     screenshots left with the old RadCalc card — the tools are now icon tiles). It does not make a
     search thumbnail appear — that stays Google's choice — but it declares the image as belonging to
     this page. og.jpg is deliberately absent: it is the sharing card and never appears on the page. -->
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"
        xmlns:image="http://www.google.com/schemas/sitemap-image/1.1">
  <url>
    <loc>https://radiation-lab.com/</loc>
    <lastmod>2026-10-07</lastmod>
    <changefreq>monthly</changefreq>
    <priority>1.0</priority>
    <image:image>
      <image:loc>https://radiation-lab.com/img/hero.webp</image:loc>
      <image:title>Engraved glass plates with a glowing attenuation curve, a stepped shielding wedge and a source capsule</image:title>
    </image:image>
  </url>
  <url>
    <loc>https://radiation-lab.com/about</loc>
    <lastmod>2026-10-07</lastmod>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://radiation-lab.com/contact</loc>
    <lastmod>2026-10-07</lastmod>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://radiation-lab.com/privacy</loc>
    <lastmod>2026-10-07</lastmod>
    <changefreq>yearly</changefreq>
    <priority>0.3</priority>
  </url>
  <url>
    <loc>https://radiation-lab.com/terms</loc>
    <lastmod>2026-10-07</lastmod>
    <changefreq>yearly</changefreq>
    <priority>0.3</priority>
  </url>
</urlset>
