Randomly sampled measurements of an analyte in soil samples.

Analyte concentrations (\(\mu\)g/g) in 11 discrete environmental soil samples.

BJC.2000.df
    data(BJC.2000.df)

Format

A data frame with 11 observations on the following 4 variables.

Analyte.char

Character vector indicating lead concentrations. Nondetects indicated with the letter U after the measure (e.g., 0.10U)

Analyte

numeric vector indicating analyte concentration.

Censored

logical vector indicating censoring status.

Detect

numeric vector of 0s (nondetects) and 1s (detects) indicating censoring status.

Source

BJC. (2000). Improved Methods for Calculating Concentrations Used in Exposure Assessments. BJC/OR-416, Prepared by the Lockheed Martin Energy Research Corporation. Prepared for the U.S. Department of Energy Office of Environmental Management. Bechtel Jacobs Company, LLC. January, 2000. https://rais.ornl.gov/documents/bjc_or416.pdf.