EPA.94b.lead.df: Lead Concentrations from 1994 USEPA Guidance Document
In EnvStats: Package for Environmental Statistics, Including US EPA Guidance
EPA.94b.lead.df R Documentation
Lead Concentrations from 1994 USEPA Guidance Document
Description
Lead concentrations (mg/Kg) in soil samples at a reference area and a
cleanup area. Nondetects reported as <39. There are 14 observations
for each area.
Usage
EPA.94b.lead.df
Format
A data frame with 28 observations on the following 4 variables.
Lead.origa character vector of original lead concentrations (mg/Kg)
Leada numeric vector of lead concentrations with <39 coded as 39
Censoreda logical vector indicating which observations are censored
Areaa factor indicating the area (cleanup vs. reference)
Source
USEPA. (1994b). Statistical Methods for Evaluating the Attainment of Cleanup Standards, Volume 3: Reference-Based Standards for Soils and Solid Media.
EPA/230-R-94-004. Office of Policy, Planning, and Evaluation, U.S. Environmental Protection Agency, Washington, D.C. pp.6.20–6.21.
EnvStats documentation built on Sept. 11, 2024, 6:03 p.m.
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| EPA.94b.lead.df | R Documentation |
Lead Concentrations from 1994 USEPA Guidance Document
Description
Lead concentrations (mg/Kg) in soil samples at a reference area and a
cleanup area. Nondetects reported as <39. There are 14 observations
for each area.
Usage
EPA.94b.lead.dfFormat
A data frame with 28 observations on the following 4 variables.
Lead.origa character vector of original lead concentrations (mg/Kg)
Leada numeric vector of lead concentrations with
<39coded as39Censoreda logical vector indicating which observations are censored
Areaa factor indicating the area (cleanup vs. reference)
Source
USEPA. (1994b). Statistical Methods for Evaluating the Attainment of Cleanup Standards, Volume 3: Reference-Based Standards for Soils and Solid Media. EPA/230-R-94-004. Office of Policy, Planning, and Evaluation, U.S. Environmental Protection Agency, Washington, D.C. pp.6.20–6.21.
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