TY - RPRT TI - Occurrence of selected pesticides and their metabolites in near-surface aquifers of the midwestern United States AU - D.W. Kolpin AU - Thurman E. Michael AU - D. A. Goolsby PY - 1995 DO - 10.1021/es950462q UR - https://pubs.usgs.gov/publication/70018834 ID - 70018834 ER -