TY - RPRT TI - Methods of analysis-Determination of pesticides in sediment using gas chromatography/mass spectrometry AU - Michelle Hladik AU - Megan M. McWayne PY - 2012 DO - 10.3133/tm5c3 UR - https://pubs.usgs.gov/publication/tm5C3 ID - tm5C3 ER -