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Most Current Recovery vs Concentration Charts for NWQL LS 4434


The recovery versus concentration charts provide OBSP recovery information for every analyte at different concentrations for every schedule OBSP assesses.

The black line on the chart describes the median recovery of the data.


The charts and data that you might secure from this U.S. Geological Survey (USGS) web page (identified as "OBSP") have not received official USGS approval and as such are provisional and subject to revision. The charts and data are released on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from its authorized or unauthorized use.
Lab Schedule 4434 - Custom Hormones in unflitered water
Choose an analyte below or click here for all analytes sorted by NWQL parameter code Parameter CAS#
11-Ketotestosterone 64527GM005 564-35-2
17-alpha-Estradiol 64528GM005 57-91-0
17-alpha-Ethynylestradiol 64529GM005 57-63-6
17-beta-Estradiol 64530GM005 50-28-2
3-beta-Coprostanol 64532GM005 360-68-9
Cholesterol 64534GM005 57-88-5
cis-Androsterone 64535GM005 53-41-8
Dihydrotestosterone 64544GM005 521-18-6
Epitestosterone 64537GM005 481-30-1
Equilenin 64538GM005 517-09-9
Equilin 64539GM005 474-86-2
Estriol 64540GM005 50-27-1
Estrone 64541GM005 53-16-7
Mestranol 64542GM005 72-33-3
Norethindrone 64531GM005 68-22-4
Progesterone 64543GM005 57-83-0
Testosterone 64545GM005 58-22-0
trans-Diethylstilbestrol 64536GM005 56-53-1

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