@misc{indiciaea9c1da2d5d8f,
  title = {Chloride and sulfate in rain water},
  author = {W. D. Collins and K.T. Williams},
  year = {2002},
  doi = {10.1021/ie50284a027},
  url = {https://pubs.usgs.gov/publication/70221691},
  note = {Source identifier: 70221691}
}