CASE STUDY: FULL SCALE ISCO TREATMENT USING POTASSIUM PERMANGANATE, LA MIRADA , CA From April 2008 to March 2009, JAG Consulting Group completed a successful full scale ISCO treatment on a large TCE and 1,1-DCE plume using potassium permanganate (KMnO 4 ). The ISCO treatment was performed under a General WDR permit issued by the Los Angeles RWQCB. SITE DESCRIPTION The project site is a moderate size industrial facility located in La Mirada, CA. TCE leaking from an underground storage tank caused extensive groundwater contamination at the site. A comprehensive site characterization was completed at the site to fully delineate the extent of TCE contamination. The TCE plume measured nearly 350 feet long and 150 ft wide at the time of the permanganate treatm

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