Benzene Concentrations from 1992 USEPA Guidance Document

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.

EPA.92c.benzene2.df

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.