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Why Confirmation Testing Matters If an initial screen is positive, certified laboratories perform confirmatory testing using: Gas Chromatography-Mass Spectrometry (GC-MS) Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS) These confirmatory tests are highly specific and eliminate false positives caused by cross-reactivity

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acknowledge the financial support from NFR project 225203

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Lung Damage from Vaping Health Risks of Vaping Vaping-related lung damage has become a growing concern, with numerous cases of severe respiratory illnesses and even fatalities linked to vaping products