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Box-whisker plots of mean glandular dose from MQSA inspections conducted in 1995 and 2006. Dose values for 1995 are those determined by the MQSA inspector. Values for 2006 are those reported in the facility medical physics survey report. Box bottom and top borders are 25th and 75th percentiles respectively, and box contents are 50th percentile (line) and mean value (diamond). Whiskers indicate 5th and 95th percentiles.
