Author facet: Hoffman, Gerald L. - ECU Libraries Catalog Search Results

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Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory--comparison of a nitric acid in-bottle digestion procedure to other whole-water digestion procedures
by Garbarino, John R.
1999
Format: Book and Microform

✔ Available Joyner - Microforms B300

Call Number: I 19.76:99-094

Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory : in-bottle acid digestion of whole-water samples
by Hoffman, Gerald L.
1996
Format: Book and Microform

✔ Available Joyner - Microforms B300

Call Number: I 19.76:96-225

Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory : preparation procedure for aquatic biological material determined for trace metals
by Hoffman, Gerald L.
1996
Format: Book and Microform

✔ Available Joyner - Microforms B300

Call Number: I 19.76:96-362