BJC.2000.df {EnvStats} | R Documentation |
Randomly sampled measurements of an analyte in soil samples.
Description
Analyte concentrations (\mu
g/g) in 11 discrete environmental soil samples.
Usage
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.