TY - RPRT TI - Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory-In-bottle acid digestion of whole-water samples AU - G. L. Hoffman AU - M. J. Fishman AU - J.R. Garbarino PY - 1996 DO - 10.3133/ofr96225 UR - https://pubs.usgs.gov/publication/ofr96225 ID - ofr96225 ER -