TY  - RPRT
TI  - Methods of analysis by the U.S. Geological Survey Organic Geochemistry Research Group: Determination of selected herbicides and their degradation products in water using solid-phase extraction and gas chromatography/mass spectrometry
AU  - J.L. Kish
AU  - E.M. Thurman
AU  - E.A. Scribner
AU  - L.R. Zimmerman
PY  - 2000
DO  - 10.3133/ofr00385
UR  - https://pubs.usgs.gov/publication/ofr00385
ID  - ofr00385
ER  -