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						  <title>&quot;Opinion: From “Error” to “Signal”: Rethinking Method Discrepancies in Black Carbon Measurements and Goal-Oriented Standardization&quot; - Interactive discussion</title>
						  <link>https://egusphere.copernicus.org/preprints/2026/egusphere-2026-2302/</link>
						  <description>&quot;Opinion: From “Error” to “Signal”: Rethinking Method Discrepancies in Black Carbon Measurements and Goal-Oriented Standardization&quot; - Interactive discussion</description>
						  <language>en</language></channel>
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