TY  - RPRT
TI  - Method of analysis by the U.S. Geological Survey Organic Geochemistry Research Group: Determination of triazine and chloroacetanilide herbicides in water by solid-phase extraction and capillary-column gas chromatography/mass spectrometry with selected-ion monitoring
AU  - L.R. Zimmerman
AU  - E.M. Thurman
PY  - 1999
DO  - 10.3133/ofr98634
UR  - https://pubs.usgs.gov/publication/ofr98634
ID  - ofr98634
ER  -