Data Comparison Study Between Field and Laboratory Detection of Polychlorinated Biphenyls and Polycyclic Aromatic Hydrocarbons at Super fund Sites

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Abstract
Thermal desorption gas chromatography/mass spectrometry (TDGC/MS) was used in the field to rapidly screen and identify PCB and PAH soil samples at three hazardous waste sites. Field TDGC/MS analyses were compared to commercial laboratory results where the laboratory followed EPA standardized methods. Findings indicate that the field and laboratory measurement precision and accuracy were statistically equivalent under controlled experimental settings and near, real-time conditions. The results suggest that the field TDGC/MS methods can provide consistent compound identification as well as quantitative analytical measurements which can improve site characterization and remediation decision making.