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3-BROMOPROPIONIC ACID in URINE: METHOD 8324, Issue 1, dated 29 August 2014 - Page 8 of 9
FIGURE 3
A total ion chromatogram of a (A) blank non-exposed volunteer urine specimen and (B) 20 µg/mL spiked 3-BPA urine solution with 5 µg/mL equivalent 3-CPA as the internal standard. No interfering peaks were evident in any of the group of 20 non-exposed volunteer specimens.
NIOSH Manual of Analytical Methods (NMAM), Fifth Edition