Branch of Quality Systems


 

NWQL Lab Schedule 4434
Hormones by SPE-GC/MS/MS

Techniques and Methods 5-B9
Determination of Steroid Hormones and Related Compounds in Filtered and Unfiltered Water by Solid-Phase Extraction, Derivatization, and Gas Chromatography with Tandem Mass Spectrometry
LS 2434 (filtered water), 4434 (unfiltered water)


The Schedule page displays all the OBSP tools available. These tools are Times series charts, box plots by analyte recovery overtime, one box plot graph for entire Schedule, recovery vs. concentration charts, false positive or false negative charts. These tools are available on historical data upon request.

Current Information available
Time Series Charts
Box Plots of Analyte Recovery Over Time for This NWQL Schedule
One Box Plot graph for this entire NWQL Schedule
Recovery Vs. Concentration Charts
False Positive or Negative Charts
Historical Data pull is available upon request

Accessibility FOIA Privacy Policies and Notices

Take Pride in America logo USA.gov logo U.S. Department of the Interior | U.S. Geological Survey
URL: http://bqs.usgs.gov/index.php
Project Contact Information: dbeaty@usgs.gov
Page Contact Information: Webmaster
Page Last Modified: March 22, 2018