ISCO / SOIL BLENDING: COMBINED REMEDY – WEST POINT, MS

Contaminants:

PCE, TCE, cis-1,

2-DCE, xylenes,

ethylbenzene

Treatment:

ISCO/Soil Blending

Site Status:

NFA received in September 2020

Inactive industrial facility with elevated levels of PCE,TCE, cis-1,2-DCE, xylenes, and ethylbenzene in soil/GW under a storage shed.

Highest total VOCs = 23,410 ppb.
Limited plume size (3,500 SF) due to low permeability clayey-silts which also perched the WT (5’-15’).
Analytical data suggested past reductive de-chlorination with a typical cis-1,2 DCE stall.
Eden recommended in-situ oxidant soil blending in the former shed location (525 SF) and ISCO injection in the remaining plume.
A treatability study was performed in 2017 which indicated CHP with iron salt and KPM best suited to site conditions

isco soil blending - west point, ms 1.jpg

Treatment scope included blending using approx. 21,900lbsof HP + iron salt (CHP) followed by addition of 22,000lbsof potassium permanganate. Work was performed in January 2018.

Preliminary results indicated CHP alone oxidized PCE by approximately 97%.
Following completion of blending, ISCO injection was performed using 34 DPT pts applying 2,500lbs of potassium permanganate into the remainder of the plume.
Confirmatory soil and GW sampling indicated trace to low level of VOCs below target levels!
NFA later received in September 2020 from the Miss Brownfield Voluntary Clean-up Group

Ready to close your site? Our professionals are well acquainted with the "pit falls" of soil and groundwater remediation. Here at Eden, we understand that combined remedial solutions are often required.

We are committed to offering not only front end assistance but follow-up services for the life of your project to reach site closure.

HELP CLOSE MY SITE