@misc{indiciae5bdd0eecb9f3, title = {Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory-Determination of pesticides in water by Carbopak-B solid-phase extraction and high-preformance liquid chromatography}, author = {Stephen L. Werner and Mark R. Burkhardt and Sabrina N. DeRusseau}, year = {1996}, doi = {10.3133/ofr96216}, url = {https://pubs.usgs.gov/publication/ofr96216}, note = {Source identifier: ofr96216} }