TY  - RPRT
TI  - Methods of analysis by the U.S. Geological Survey Organic Geochemistry Research Group: Determination of triazine and phenylurea herbicides and their degradation products in water using solid-phase extraction and liquid chromatography/mass spectrometry
AU  - Edward Alan Lee
AU  - Alex P. Strahan
AU  - Earl Michael Thurman
PY  - 2002
DO  - 10.3133/ofr02436
UR  - https://pubs.usgs.gov/publication/ofr02436
ID  - ofr02436
ER  -