review of chromium in landfill leachate: occurrence

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REVIEW OF CHROMIUM IN LANDFILL LEACHATE: OCCURRENCE, SPECIATION, SIGNIFICANCE AND REMOVAL K. KNOX* *Knox Associates (UK) Ltd, Mapperley Park, Nottingham, UK

SUMMARY: There is evidence that Cr is present in MSW leachates exclusively in the +III oxidation state, with little or none as Cr(VI), and is not converted to Cr(VI) during biological treatment. >98% of dissolved (