EPA.89b.sulfate.df:
Sulfate Concentrations from 1989 USEPA Guidance Document
Description
Sulfate concentrations (mg/L). Nondetects reported as <1450< code="">.
1450<>
Usage
data(EPA.89b.sulfate.df)
Format
A data frame with 24 observations on the following 3 variables.
Sulfate.orig
- a character vector of original sulfate concentration (mg/L)
Sulfate
- a numeric vector of sulfate concentations with
<1450< code=""> coded as 1450
1450<>
Censored
- a logical vector indicating which observations are censored
Source
USEPA. (1989b). Statistical Analysis of Ground-Water Monitoring Data at RCRA Facilities, Interim Final Guidance.
EPA/530-SW-89-026. Office of Solid Waste, U.S. Environmental Protection Agency, Washington, D.C. p.8-9.