@misc{indiciae7fdf2fc357a3, title = {Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory-Determination of pesticides in water by graphitized carbon-based solid-phase extraction and high-performance liquid chromatography/mass spectrometry}, author = {Edward T. Furlong and Bruce D. Anderson and Stephen L. Werner and Paul P. Soliven and Laura J. Coffey and Mark R. Burkhardt}, year = {2001}, doi = {10.3133/wri014134}, url = {https://pubs.usgs.gov/publication/wri014134}, note = {Source identifier: wri014134} }