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Box Plots

The boxplot shows the analyte bias and variability of the blind organic QA data. The plot also shows outliers and quartile ranges of the recovery data.

Extreme values have been "clipped" or removed from the plot and designated as such with a blue dot.

All data is provisional and may change if the OBSP deems necessary.

Note: If an analyte of interest is not seen in the method listing, there is no OBSP data available for that analyte

Current Box Plots
Box Plots for January 2013 to December 2017
Box Plots for January 2007 to December 2012
Box Plots for January 2001 to September 2006
Box Plots for January 1999 to September 2003
Box Plots and Charts for January 1996 to April 1999

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Page Last Modified: March 25, 2023