000002113 001__ 2113 000002113 005__ 20231130114555.0 000002113 0247_ $$2DOI$$a10.6083/M4KD1W45 000002113 037__ $$aETD 000002113 245__ $$aReduction of hexavalent chromium by soil humic substances 000002113 260__ $$bOregon Health and Sciences University 000002113 260__ $$bOregon Graduate Institute of Science and Technology 000002113 269__ $$a1994-07-01 000002113 336__ $$aDissertation 000002113 502__ $$bPh.D. 000002113 542__ $$fIn copyright - single owner 000002113 7001_ $$aWittbrodt, Paul R. 000002113 7001_ $$uOregon Graduate Institute of Science and Technology$$041352 000002113 8564_ $$94505ff9a-e9e6-4d88-a108-b648e2317f7f$$s9106812$$uhttps://digitalcollections.ohsu.edu/record/2113/files/2836_etd.pdf 000002113 905__ $$a/rest/prod/mk/61/rh/10/mk61rh10p 000002113 909CO $$ooai:digitalcollections.ohsu.edu:2113$$pstudent-work 000002113 980__ $$aTheses and Dissertations