@misc{indiciae0b8d20ea2b63,
  title = {Method of analysis and quality-assurance practices for determination of pesticides in water by solid-phase extraction and capillary-column gas chromatography/mass spectrometry at the U.S. Geological Survey California District Organic Chemistry Laboratory, 1996-99},
  author = {Kathryn L. Crepeau and Lucian M. Baker and Kathryn Kuivila},
  year = {2000},
  doi = {10.3133/ofr00229},
  url = {https://pubs.usgs.gov/publication/ofr00229},
  note = {Source identifier: ofr00229}
}