Description

Benzene concentrations (ppb) at one background and one compliance well. Four observations per month for each well. Background well sampled in months 1,2, and 3; compliance well sampled in months 4 and 5.

Usage

Format

A data frame with 20 observations on the following 3 variables.

Benzene

a numeric vector of benzene concentrations (ppb)

Month

a factor indicating the month of collection

Well.type

a factor indicating the well type (background vs. compliance)

Source

USEPA. (1992c). Statistical Analysis of Ground-Water Monitoring Data at RCRA Facilities: Addendum to Interim Final Guidance. Office of Solid Waste, U.S. Environmental Protection Agency, Washington, D.C. p.56.