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  <url><loc>https://plainwaterdata.com/contaminant/combined-radium-(-226-and--228)</loc><lastmod>2026-04-01</lastmod></url>
  <url><loc>https://plainwaterdata.com/contaminant/gross-alpha-excl-radon-and-u</loc><lastmod>2026-04-01</lastmod></url>
  <url><loc>https://plainwaterdata.com/contaminant/radium-228</loc><lastmod>2026-04-01</lastmod></url>
  <url><loc>https://plainwaterdata.com/contaminant/radium-226</loc><lastmod>2026-04-01</lastmod></url>
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  <url><loc>https://plainwaterdata.com/contaminant/trichloroethylene</loc><lastmod>2026-04-01</lastmod></url>
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  <url><loc>https://plainwaterdata.com/contaminant/11-dichloroethylene</loc><lastmod>2026-04-01</lastmod></url>
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  <url><loc>https://plainwaterdata.com/contaminant/cis-12-dichloroethylene</loc><lastmod>2026-04-01</lastmod></url>
  <url><loc>https://plainwaterdata.com/contaminant/12-dichloropropane</loc><lastmod>2026-04-01</lastmod></url>
  <url><loc>https://plainwaterdata.com/contaminant/trans-12-dichloroethylene</loc><lastmod>2026-04-01</lastmod></url>
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  <url><loc>https://plainwaterdata.com/contaminant/124-trichlorobenzene</loc><lastmod>2026-04-01</lastmod></url>
  <url><loc>https://plainwaterdata.com/contaminant/xylenes-total</loc><lastmod>2026-04-01</lastmod></url>
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  <url><loc>https://plainwaterdata.com/contaminant/vinyl-chloride</loc><lastmod>2026-04-01</lastmod></url>
  <url><loc>https://plainwaterdata.com/contaminant/nitrite</loc><lastmod>2026-04-01</lastmod></url>
  <url><loc>https://plainwaterdata.com/contaminant/interim-enhanced-surface-water-treatment-rule</loc><lastmod>2026-04-01</lastmod></url>
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  <url><loc>https://plainwaterdata.com/contaminant/aroclor-1221</loc><lastmod>2026-04-01</lastmod></url>
  <url><loc>https://plainwaterdata.com/contaminant/aroclor-1232</loc><lastmod>2026-04-01</lastmod></url>
  <url><loc>https://plainwaterdata.com/contaminant/aroclor-1242</loc><lastmod>2026-04-01</lastmod></url>
  <url><loc>https://plainwaterdata.com/contaminant/aroclor-1248</loc><lastmod>2026-04-01</lastmod></url>
  <url><loc>https://plainwaterdata.com/contaminant/aroclor-1254</loc><lastmod>2026-04-01</lastmod></url>
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