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. Author manuscript; available in PMC: 2018 Apr 18.
Published in final edited form as: Environ Sci Technol. 2017 Mar 29;51(8):4652–4660. doi: 10.1021/acs.est.7b01252

Table 3.

Specific gravity corrected urinary polycyclic aromatic hydrocarbon (PAH) metabolite concentrations (pg/mL) from ~26 weeks of pregnancy (n=200a)

Percentiles
PAH metabolite Geometric mean (SDb) 25th 50th 75th 95th
1-NAP 677 (2.94) 352 706 1311 3214
2-NAP 2477 (2.39) 1387 2283 4239 11633
2-FLU 135 (2.27) 78.9 123 209 555
1-PHE 204 (1.99) 130 210 309 568
2&3-PHE 62.6 (1.86) 42.4 59.0 95.1 172
4-PHE 17.3 (1.89) 11.0 16.3 24.8 52.5
9-PHE 41.7 (2.06) 24.8 38.0 62.9 156
1-PYR 122 (2.29) 69.8 119 199 471
a

Note: n=199 for 1-NAP and 2-NAP.

b

Note: Geometric standard deviation.