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Substrate interferent

A pyrolysis product from building or furnishing material that produces a GC-MS chromatographic pattern overlapping with or resembling an ignitable liquid category under ASTM E1618. Examples: polypropylene carpet backing, polyurethane foam, asphalt shingles, PVC flooring plasticisers.

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Related terms

4-Vinylcyclohexene (4-VCH)Alkene triplet patternBackground subtractionComparison (control) samplePrincipal component analysis (PCA)PyrolysisSWGFEX Type C interferent listType C interferent (E1618)Unresolved complex mixture (UCM)

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