Soil Gas Analysis: The Solution for Extending the Hydrocarbon Range of TO-17 Form

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In this study, PerkinElmer, with assistance from CARO Analytical Services, has designed a new thermal desorption tube that successfully accommodates the challenges of soil gas sampling and analysis while outperforming the regulatory criteria a detection limits, accuracy and analyte range.

EPA Method TO-17 is used to quantitatively analyze toxic volatile compounds in air samples after these compounds have been collected onto sorbent tubes. The instruments used in this application were the PerkinElmer TurboMatrix™ Thermal Desorber 650 (ATD), Clarus^® 690 Gas Chromatograph (GC) and the Clarus SQ 8 Mass Spectrometer.

Results for precision, linearity and reporting limits is excellent for all classes of compounds and out performs all regulatory requirements. The reporting limits are calculated using a 1 liter sample volume. The dynamic range achieved was four orders of magnitude across the target component list.

PerkinElmer SVI thermal desorption tubes in conjunction with EPA TO-17, to collect and analyze soil gas, is the most cost effective, accurate, and precise technique available today.

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