@misc{indiciae690121ab201e, title = {A reconnaissance study of herbicides and their metabolites in surface water of the midwestern united states using immunoassay and gas chromatography/mass spectrometry}, author = {E. Michael Thurman and D. A. Goolsby and M. T. Meyer and M. S. Mills and M.L. Pomes and Dana W. Kolpin}, year = {2002}, doi = {10.1021/es00036a016}, url = {https://pubs.usgs.gov/publication/70016758}, note = {Source identifier: 70016758} }