EPA.09.Ex.17.6.sulfate.df


  Sulfate concentrations (ppm) collected over several years. 
  The date of collection is simply indicated by month and year of collection.
  The column <code>Date</code> is a Date object where the day of the month has been arbitrarily set to 1.


datasets

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EPA.09.Ex.17.6.sulfate.df function

A data frame with 23 observations on the following 6 variables.
  <dl>
    <dt><code>Sample.No</code></dt><dd>a numeric vector indicating the sample number</dd> <dt><code>Year</code></dt><dd>a numeric vector indicating the year of collection</dd> <dt><code>Month</code></dt><dd>a numeric vector indicating the month of collection</dd> <dt><code>Sampling.Date</code></dt><dd>a numeric vector indicating the year and month of collection</dd> <dt><code>Date</code></dt><dd>a Date object indicating the date of collection, where the day of the month is arbitrarily set to 1</dd> <dt><code>Sulfate.ppm</code></dt><dd>a numeric vector of sulfate concentrations (ppm)</dd> </dl> 

Format

USEPA. (2009).  <em>Statistical Analysis of Groundwater Monitoring Data at RCRA Facilities, Unified Guidance</em>.
  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.17-33. USEPA. (2010).  <em>Errata Sheet - March 2009 Unified Guidance</em>.
  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.

EPA.09.Ex.17.6.sulfate.df: Sulfate Concentrations from Example 17-6 of 2009 USEPA Guidance Document

Description

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Format

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