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Sacramento River Basin NAWQA Program

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Water-Quality Assessment of the Sacramento River
Basin, California: Water-Quality, Sediment and Tissue
Chemistry, and Biological Data, 1995-1998
(Open-File Report 2000-391)

Quality Control
Blank Data: Surface Water

Surface-water blank frequency table for mercury and methylmercury

Date Type of Blank
Feb-96 Trip Blank - Total mercury
Feb-96 Field Blank - Total mercury
Jul-96 Trip Blank - Total mercury
Jul-97 Field Blank - Total mercury
Jan-98 Field Blank - Total mercury
Apr-98 Field Blank - Total mercury
Apr-98 Field Blank - Methylmercury

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Page Last Modified: Friday, 04-May-2007 14:06:55 EDT