TY  - RPRT
TI  - Summary and evaluation of pesticides in field blanks collected for the National Water-Quality Assessment Program, 1992-95
AU  - Jeffrey D. Martin
AU  - Robert J. Gilliom
AU  - Terry L. Schertz
PY  - 1999
DO  - 10.3133/ofr98412
UR  - https://pubs.usgs.gov/publication/ofr98412
ID  - ofr98412
ER  -