TY - RPRT TI - Reconnaissance survey of sulfonamide, sulfonylurea, and imidazolinone herbicides in surface streams and groundwater of the Midwestern United States AU - T.R. Steinheimer AU - R.L. Pfeiffer AU - K.D. Scoggin AU - W.A. Battaglin PY - 2009 DO - 10.1021/bk-2000-0751.ch017 UR - https://pubs.usgs.gov/publication/70022224 ID - 70022224 ER -