@misc{indiciae17e2e632ed5e, title = {User's guide for polyethylene-based passive diffusion bag samplers to obtain volatile organic compound concentrations in wells. Part I, Deployment, recovery, data interpretation, and quality control and assurance}, author = {Don A. Vroblesky}, year = {2001}, doi = {10.3133/wri014060}, url = {https://pubs.usgs.gov/publication/wri014060}, note = {Source identifier: wri014060} }