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Third-party performance assessment data encompassing the time period of analysis of groundwater samples collected for hormones and pharmaceuticals by the National Water-Quality Assessment Project in 2013-15

Dates

Publication Date
Start Date
2012-12-14
End Date
2016-03-07

Citation

Bexfield, L.M., Beaty, D., Stineman-Lederer, S., Foreman, W.T., and Furlong, E.T., 2019, Third-party performance assessment data encompassing the time period of analysis of groundwater samples collected for hormones and pharmaceuticals by the National Water-Quality Assessment Project in 2013-15: U.S. Geological Survey data release, https://doi.org/10.5066/P92D26LI.

Summary

This data set includes sample information and results for third-party performance assessment samples analyzed for hormones and pharmaceuticals during the same general time period as environmental samples collected by the National Water-Quality Assessment (NAWQA) Project for a study of groundwater resources used for drinking-water supply across the United States, 2013 through 2015. Hormone and pharmaceutical results are provided for spiked and unspiked samples submitted by the Quality Systems Branch (QSB) Organic Blind Sample Project (OBSP), providing information regarding analyte recovery and occurrence of false positive and false negative results. Included in this data release are the following data tables: Table 1. Hormone results [...]

Contacts

Attached Files

Click on title to download individual files attached to this item.

OBSPTable1.xlsx
“Table 1. Hormone results for third-party performance assessment samples”
71.66 KB
OBSPTable2.xlsx
“Table 2. Pharmaceutical results for third-party performance assessment samples”
476.72 KB
OBSP_Metadata_Tables_1-2.xml
“Metadata for Tables 1 and 2”
Original FGDC Metadata

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27.98 KB

Purpose

The data were generated by the USGS Quality Systems Branch Organic Blind Sample Project to monitor and assess USGS National Water Quality Laboratory results for hormones (schedule 2434) and pharmaceuticals (lab code 9017/schedule 2440).

Additional Information

Identifiers

Type Scheme Key
DOI https://www.sciencebase.gov/vocab/category/item/identifier doi:10.5066/P92D26LI

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