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. Author manuscript; available in PMC: 2017 Sep 21.
Published in final edited form as: J Anal Toxicol. 2016 Jun 5;40(6):414–418. doi: 10.1093/jat/bkw038

Figure 2.

Figure 2

Figure 2

Figure 2a – Short Term Stability of NDMA in Human Urine at Various Temperatures

Figure 2b – Short Term Stability of NDEA in Human Urine at Various Temperatures

Figure 2c – Short Term Stability of NPIP in Human Urine at Various Temperatures

*Dashed lines denote mean ± 2 standard deviations; QC low = 50 pg/mL, QC high = 200 pg/mL