@misc{indiciaed739ec16e5f4, title = {Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory-Determination of organochlorine pesticides and polychlorinated biphenyls in bottom sediment by dual capillary-column gas chromatography with electron-capture detection}, author = {William T. Foreman and Brooke F. Connor and Edward T. Furlong and Deborah G. Vaught and Leslie M. Merten}, year = {1995}, doi = {10.3133/ofr95140}, url = {https://pubs.usgs.gov/publication/ofr95140}, note = {Source identifier: ofr95140} }