@misc{indiciaec8debfd48e1a,
  title = {Participation in performance-evaluation studies by U.S. Geological Survey National Water Quality Laboratory},
  author = {Stephen R. Glodt and Kimberly D. Pirkey},
  year = {1998},
  doi = {10.3133/fs02398},
  url = {https://pubs.usgs.gov/publication/fs02398},
  note = {Source identifier: fs02398}
}