Data Quality Assurance - Laboratory duplicates

Description

This dataset includes data quality assurance information concerning the Relative Percent Difference (RPD) of laboratory duplicates. No laboratory duplicate information exists for 2010. The formula for calculating relative percent difference is: ABS(2*[(A-B)/(A+B)]). An RPD of less the 10% is considered acceptable.

Resources

Name Format Description Link
55 The metadata original format https://data.usgs.gov/datacatalog/metadata/USGS.576420d6e4b07657d19ba823.xml
55 Landing page for access to the data http://dx.doi.org/10.5066/F77D2S7B

Tags

  • usgs-576420d6e4b07657d19ba823
  • water-quality

Topics

Categories