@misc{indiciae9b664c631375,
  title = {Equilibration times, compound selectivity, and stability of diffusion samplers for collection of ground-water VOC concentrations},
  author = {D.A. Vroblesky and T.R. Campbell},
  year = {2001},
  doi = {10.1016/s1093-0191(00)00036-8},
  url = {https://pubs.usgs.gov/publication/70023551},
  note = {Source identifier: 70023551}
}