parameters.Rd 2.11 KB
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% Generated by roxygen2: do not edit by hand
% Please edit documentation in R/parameters.R
\docType{data}
\name{parameters}
\alias{parameters}
\title{Parameter Information for Analytes}
\format{
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A data frame with 74 records and 7 variables:
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  \describe{
    \item{\code{parm_cd}}{USGS 5-digit parameter code}
    \item{\code{parameter_group_nm}}{parameter group name, such as \code{"Radiochemical"}}
    \item{\code{parameter_nm}}{long parameter name, such as \code{"Strontium-90, water, unfiltered, picocuries per liter"}}
    \item{\code{casrn}}{Chemical Abstracts Service
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      (\href{https://www.cas.org/support/documentation/chemical-substances/faqs}{CAS}) registry number,
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      such as \code{"10098-97-2"} for Strontium-90}
    \item{\code{srsname}}{Substance Registry Services
      (\href{https://iaspub.epa.gov/sor_internet/registry/substreg/home/overview/home.do}{SRS}) name,
      such as \code{"Strontium-90"}}
    \item{\code{parameter_units}}{parameter units.
      Unit abbreviations and descriptions are:
      \code{"mg/L"} milligrams per liter,
      \code{"mg/L as N"} milligrams per liter as Nitrogen,
      \code{"ug/L"} microgram per liter, and
      \code{"pCi/L"} picocuries per liter.}
    \item{\code{siunitx}}{parameter units formatted for LaTeX using the \code{siunitx} package notation.}
  }
}
\source{
USGS water data acquired from the National Water Information System (U.S. Geological Survey, 2019).
  The \href{https://iaspub.epa.gov/sor_internet/registry/substreg/home/overview/home.do}{SRS} name (\code{srsname})
  for "Trihalomethanes (four), total, from SDWA NPDWR" was shorten to its preferred acronym "TTHM4".
}
\usage{
parameters
}
\description{
Parameter code information for selected chemical constituents,
organic compounds, and radionuclides measured for in water samples collected from
wells in the U.S. Geological Survey (USGS) water-quality aquifer monitoring network,
Idaho National Laboratory and vicinity, Idaho.
}
\examples{
str(parameters)

}
\references{
U.S. Geological Survey, 2019, National Water Information System---web services,
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  accessed June 11, 2019, from \doi{10.5066/F7P55KJN}.
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}
\keyword{datasets}