TY - RPRT TI - Development of a standard reference material for Cr(vi) in contaminated soil AU - S.J. Nagourney AU - S. A. Wilson AU - B. Buckley AU - H.M.S. Kingston AU - S.-Y. Yang AU - S.E. Long PY - 2008 DO - 10.1039/b808488b UR - https://pubs.usgs.gov/publication/70030705 ID - 70030705 ER -