Table 2.

Distributions of SG-corrected OPE biomarker concentrations (ng/mL) in 311 maternal urine samples collected 2007–2019.

Parent compound	Biomarker	LOD (ng/mL)	% detect	GM (ng/mL)	Percentiles (ng/mL)
					5th	25th	50th	75th	95th
TPP	DPRP	0.03	33.44	0.03	<LOD	<LOD	<LOD	0.04	0.23
TNBP + TIBP	DBUP + DIBP	0.04	98.07	0.16	0.06	0.10	0.14	0.23	0.76
TBOEP	BBOEP	0.02	69.13	0.04	<LOD	<LOD	0.04	0.07	0.25
TEHP	BEHP	0.02	37.94	0.03	<LOD	<LOD	<LOD	0.05	0.46
TCEP	BCETP	0.02	83.92	0.38	<LOD	0.18	0.57	1.27	6.33
TCIPP	BCPP	0.02	73.31	0.20	<LOD	<LOD	0.37	0.95	4.03
TDCIPP	BDCPP	0.02	95.50	0.72	0.04	0.35	0.86	1.75	5.57
TPHP	DPHP	0.03	100.00	0.92	0.30	0.54	0.79	1.43	3.82
TMPP	BMPP	0.01	56.91	0.02	<LOD	<LOD	0.01	0.03	0.13

Abbreviations: bis(butoxyethyl) phosphate (BBOEP), bis(2-chloroethyl) phosphate (BCETP), bis(1-chloro-2-propyl) phosphate (BCPP), bis(1,3-dichloro-2-propyl) phosphate (BDCPP), bis(2- ethylhexyl) phosphate (BEHP), bis(2- methylphenyl) phosphate (BMPP), sum of di-n-butyl phosphate and di-iso-butyl phosphate (DBUP+DIBP), diphenyl phosphate (DPHP), dipropyl phosphate (DPRP), geometric mean (GM), limit of detection (LOD), tris(2-butoxyethyl) phosphate (TBOEP), tri(2-chloroethyl) phosphate (TCEP), tris(1-chloro-2-propyl) phosphate (TCIPP), tris(1,3-dichloro-2-propyl) phosphate (TDCIPP), tris(2-ethylhexyl) phosphate (TEHP), trimethylphenyl phosphate (TMPP), sum of tri-n-butyl phosphate and tris(isobutyl) phosphate (TNBP+TIBP), triphenyl phosphate (TPHP), tripropyl phosphate (TPP)

Note: Some biomarkers may have multiple parent compounds.