TY - RPRT TI - Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory-Determination of organochlorine pesticides and polychlorinated biphenyls in bottom and suspended sediment by gas chromatography with electron-capture detection AU - Mary C. Noriega AU - Duane S. Wydoski AU - William T. Foreman PY - 2004 DO - 10.3133/wri034293 UR - https://pubs.usgs.gov/publication/wri034293 ID - wri034293 ER -