VOC Analysis of USEPA Method 8260D

Over the past decade, the need for environmental laboratories using purge and trap systems to report at or below the Method Detection Limit (MDL) has created many new challenges. As a result of the required lower detection levels, water management, analyte migration and carryover reduction have become a critical concern to meet linear calibration criteria. This paper will present the optimum purge and trap system parameters used to generate USEPA Method 8260B data. The conditions utilized will provide the necessary sensitivity, linearity and accuracy compliant to the method. In particular, the revolutionary advancements used to virtually eliminate carryover and manage the moisture will be highlighted. Analytical results including calibrations factors, method detection limits and reproducibility data will be presented.

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