TY  - RPRT
TI  - Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory-A method supplement for the determination of Fipronil and degradates in water by gas chromatography/mass spectrometry
AU  - James F. Madsen
AU  - Mark W. Sandstrom
AU  - Steven D. Zaugg
PY  - 2002
DO  - 10.3133/ofr02462
UR  - https://pubs.usgs.gov/publication/ofr02462
ID  - ofr02462
ER  -