U.S. EPA Contaminated Site Cleanup Information (CLU-IN)


U.S. Environmental Protection Agency
U.S. EPA Technology Innovation and Field Services Division

Search Result

A PILOT-SCALE FIELD STUDY: IN SITU TREATMENT OF PCB-IMPACTED SEDIMENTS WITH BIOAMENDED ACTIVATED CARBON
Payne, R.B., U. Ghosh, H.D. May, C.W. Marshall, and K.R. Sowers.
Environmental Science & Technology [publication online 30 Jan 2019 prior to print]

A pilot study was conducted for 409 days on PCB-impacted sediments in four 400 m2 plots located in a watershed drainage pond. Treatments with activated carbon (AC) agglomerate bioamended with PCB-dechlorinating and oxidizing bacteria decreased the PCB concentration in the top 7.5 cm by up to 52%, aqueous concentrations of tri- to nona-chlorobiphenyl PCB congeners by as much as 95%, and coplanar congeners by up to 80% in sediment. No significant decrease in PCB concentrations was observed in non-bioamended plots with or without AC, nor did bioaugmentation and AC addition significantly alter total microbial diversity. See more on this project in an ESTCP report at https://www.serdp-estcp.org/content/download/48048/457538/file/ER-201215%20Final%20Report.pdf



The Technology Innovation News Survey welcomes your comments and suggestions, as well as information about errors for correction. Please contact Michael Adam of the U.S. EPA Office of Superfund Remediation and Technology Innovation at adam.michael@epa.gov or (703) 603-9915 with any comments, suggestions, or corrections.

Mention of non-EPA documents, presentations, or papers does not constitute a U.S. EPA endorsement of their contents, only an acknowledgment that they exist and may be relevant to the Technology Innovation News Survey audience.