TY - RPRT TI - Field and laboratory arsenic speciation methods and their application to natural-water analysis AU - A.J. Bednar AU - J.R. Garbarino AU - M.R. Burkhardt AU - J. F. Ranville AU - T.R. Wildeman PY - 2004 DO - 10.1016/j.watres.2003.09.034 UR - https://pubs.usgs.gov/publication/70027153 ID - 70027153 ER -