TY - RPRT TI - Chapter A5. Section 6.4.A. Arsenic Speciation AU - John R. Garbarino PY - 2005 DO - 10.3133/twri09a5.6.4.a UR - https://pubs.usgs.gov/publication/twri09A5.6.4.A ID - twri09A5.6.4.A ER -