EPA.89b.loglead.df: Log-transformed Lead Concentrations from 1989 USEPA Guidance Document
Description
Log-transformed lead concentrations ($\mu$g/L) at two background and four
compliance wells (four monthly samples for each well).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.5-11.