@misc{indiciaef6452dbfda84,
  title = {Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory-Determination of organochlorine pesticides and polychlorinated biphenyls in bottom and suspended sediment by gas chromatography with electron-capture detection},
  author = {Mary C. Noriega and Duane S. Wydoski and William T. Foreman},
  year = {2004},
  doi = {10.3133/wri034293},
  url = {https://pubs.usgs.gov/publication/wri034293},
  note = {Source identifier: wri034293}
}