FROG-4000 Case Study – Using Portable GC for Vapor Intrusion Testing
Abs: Defiant Technologies participated in a field test in cooperation with EPA NERL in Nevada, RTI International, and ARCADIS-US. The test was conducted at a home located in Indianapolis shown in Figure 1. Two systems were deployed in Indianapolis. One was used to continuously monitor the ambient air concentration of tetrachloroethene (PCE) in the basement and the second system was used to monitor PCE vapors in sub-slab ports and obtain measurements of PCE in water from a monitor well. Several split samples were collected and sent to an offsite lab for analysis by thermal desorption GC-MS. Split sample data shows good correlation with onsite measurements. Results are presented in this summary… Continue reading