00610nam 2200157z- 450 9910712137203321(CKB)5470000002490742(EXLCZ)99547000000249074220230509c2010uuuu -u- -engEvaluation of extraction methods for hexavalent chromium determination in dusts, ashes, and soilsU.S. Department of the Interior, U.S. Geological SurveyReston, VirginiaBOOK9910712137203321Evaluation of extraction methods for hexavalent chromium determination in dusts, ashes, and soils3324629UNINA