EPA.09.Ex.21.5.beryllium.df: Beryllium Concentrations from Example 21-5 of 2009 USEPA...

Description Usage Format Source

Description

Beryllium concentrations (ppb) at one well (four years of quarterly measures).

Usage

1

Format

A data frame with 16 observations on the following 3 variables.

Year

a factor indicating the year of collection

Quarter

a factor indicating the quarter of collection

Beryllium.ppb

a numeric vector of beryllium concentrations (ppb)

Source

USEPA. (2009). Statistical Analysis of Groundwater Monitoring Data at RCRA Facilities, Unified Guidance. EPA 530/R-09-007, March 2009. Office of Resource Conservation and Recovery Program Implementation and Information Division. U.S. Environmental Protection Agency, Washington, D.C. p.21-18.

USEPA. (2010). Errata Sheet - March 2009 Unified Guidance. EPA 530/R-09-007a, August 9, 2010. Office of Resource Conservation and Recovery, Program Information and Implementation Division. U.S. Environmental Protection Agency, Washington, D.C.


EnvStats documentation built on Oct. 10, 2017, 1:05 a.m.