Treatability Study in Support of Remediation by Natural Attenuation (RNA) for the BX Shoppette (Site E11), Eaker Air Force Base, Blytheville, Arkansas

摘要

This report presents the results of a treatability study performed by Parsons Engineering Science, Inc. (Parsons ES) at the BX Shoppette (Site El I), Eaker Air Force Base, Arkansas to evaluate remediation by natural attenuation (RNA) of dissolved fuel hydrocarbons. Mobile and residual light, nonaqueous- phase liquid (LNAPL) present within the vadose zone and phreatic soils serves as a continuing source for the dissolved groundwater contamination. This study focused on the fate and transport of dissolved benzene, toluene, ethylbenzene, and xylene (BTEX) in unconfined and semi-confined groundwater at the site. Site history and the results of soil and groundwater investigations conducted previously are also summarized in this report.