Results for Phthalates

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Results on page last updated: 03/01/2018

Chemical Group: Phthalates

  • Measured in: Urine
95% Confidence Interval Selected Percentiles
Chemical measured Indicates exposure to Units Number of people tested Geometric mean Lower Upper 25th 50th 75th 95th Detection frequency Limit of Detection (LOD), wet-weight
MBzP Benzylbutyl phthalate (BzBP) µg/L 109 7.49 5.99 9.36 3.65 7.27 18.6 41.9 100% 0.250 µg/L
MCHP Dicyclohexyl phthalate (DCHP) µg/L 109 * * * <LOD <LOD <LOD <LOD 1.83% 0.500 µg/L
MCPP Di-n-octyl phthalate (DnOP) µg/L 109 1.88 1.52 2.32 1.03 1.64 3.41 14.6 100% 0.125 µg/L
MECPP Di-2-ethylhexyl phthalate (DEHP) µg/L 109 12.1 10.0 14.7 7.10 11.7 20.0 51.7 100% 0.500 µg/L
MEP Diethyl phthalate (DEP) µg/L 109 57.1 45.2 72.1 25.5 52.1 103 584 97.2% 8.00 µg/L
MnBP Di-n-butyl phthalate (DnBP), Benzylbutyl phthalate (BzBP) µg/L 109 19.0 16.1 22.4 11.7 18.5 31.6 73.5 98.2% 2.00 µg/L
95% Confidence Interval Selected Percentiles
Chemical measured Indicates exposure to Units Number of people tested Geometric mean Lower Upper 25th 50th 75th 95th Detection frequency Limit of Detection (LOD), wet-weight
MBzP Benzylbutyl phthalate (BzBP) ng/mL 218 6.00 5.13 7.02 3.00 6.03 11.9 54.8 100% 0.200 ng/mL
MCHP Dicyclohexyl phthalate (DCHP) ng/mL 218 * * * <LOD <LOD <LOD <LOD 0.459% 0.100 ng/mL
MCPP Di-n-octyl phthalate (DnOP) ng/mL 218 1.91 1.62 2.24 0.943 1.77 4.19 16.0 99.1% 0.100 ng/mL
MECPP Di-2-ethylhexyl phthalate (DEHP) ng/mL 218 9.72 8.51 11.1 5.56 10.2 18.6 47.9 100% 0.190 ng/mL
MEHHP Di-2-ethylhexyl phthalate (DEHP) ng/mL 218 6.19 5.37 7.13 3.58 6.81 11.8 31.3 99.5% 0.190 ng/mL
MEHP Di-2-ethylhexyl phthalate (DEHP) ng/mL 218 1.89 1.60 2.23 0.909 2.08 4.31 13.7 93.6% 0.190 ng/mL
MEOHP Di-2-ethylhexyl phthalate (DEHP) ng/mL 218 4.43 3.86 5.09 2.45 4.66 7.96 19.7 99.5% 0.100 ng/mL
MEP Diethyl phthalate (DEP) ng/mL 218 52.4 43.9 62.6 21.2 46.1 110 826 100% 0.460 ng/mL
MIBP Di-isobutyl phthalate (DIBP) ng/mL 218 7.12 6.21 8.16 3.84 6.71 12.0 38.0 94.0% 1.60 ng/mL
MnBP Di-n-butyl phthalate (DnBP), Benzylbutyl phthalate (BzBP) ng/mL 218 14.3 12.4 16.6 7.74 16.2 27.8 79.7 98.2% 0.910 ng/mL
95% Confidence Interval Selected Percentiles
Chemical measured Indicates exposure to Units Number of people tested Geometric mean Lower Upper 25th 50th 75th 90th Detection frequency Limit of Detection (LOD), wet-weight
MEP Diethyl phthalate (DEP) μg/L 49 85 63.1 115 41.3 70.0 211 403 100% 8.0
MnBP Dibutyl phthalate (DBP), Benzylbutyl phthalate (BzBP) μg/L 49 46.9 37.0 59.4 26.8 49.0 75.2 115 100% 2.0
95% Confidence Interval Selected Percentiles
Chemical measured Indicates exposure to Units Number of people tested Geometric mean Lower Upper 25th 50th 75th 95th Detection frequency Limit of Detection (LOD), wet-weight
MBzP Benzylbutyl phthalate (BzBP) μg/L 101 8.18 6.56 10.2 3.93 7.76 14.9 41.3 100% 0.25
MCHP Dicyclohexyl phthalate (DCHP) μg/L 101 * * * <LOD <LOD <LOD <LOD 4.0% 0.50
MCPP Di-n-octyl phthalate (DnOP) μg/L 101 1.88 1.46 2.42 0.819 1.69 4.07 21.1 98.0% 0.125
MECPP Di-2-ethylhexyl phthalate (DEHP) μg/L 101 12.3 10.1 14.9 5.89 12.4 23.2 58.3 100% 0.50
MEP Diethyl phthalate (DEP) μg/L 101 52.9 38.1 73.4 20.6 46.6 168 740 79.2% 8.0
MnBP Dibutyl phthalate (DBP), Benzylbutyl phthalate (BzBP) μg/L 101 10.6 8.83 12.8 5.69 10.6 20.2 40.6 97.0% 2.0
95% Confidence Interval Selected Percentiles
Chemical measured Indicates exposure to Units Number of people tested Geometric mean Lower Upper 25th 50th 75th 90th Detection frequency Limit of Detection (LOD), wet-weight
MEP Diethyl phthalate (DEP) μg/L 13 65.1 26.0 163 -- 31.5 -- -- 100% 8.0
MnBP Dibutyl phthalate (DBP), Benzylbutyl phthalate (BzBP) μg/L 13 21.1 10.8 41.2 -- 23.2 -- -- 100% 2.0
95% Confidence Interval Selected Percentiles
Chemical measured Indicates exposure to Units Number of people tested Geometric mean Lower Upper 25th 50th 75th 90th Detection frequency Limit of Detection (LOD), wet-weight
MEP Diethyl phthalate (DEP) μg/L 15 62.4 32.2 121 -- 52.6 -- -- 100% 8.0
MnBP Dibutyl phthalate (DBP), Benzylbutyl phthalate (BzBP) μg/L 15 21.9 14.4 33.5 -- 21.3 -- -- 100% 2.0
95% Confidence Interval Selected Percentiles
Chemical measured Indicates exposure to Units Number of people tested Geometric mean Lower Upper 25th 50th 75th 90th Limit of Detection (LOD), wet-weight
MBzP Benzylbutyl phthalate (BzBP) μg/L 89 7.73 5.84 10.2 2.72 6.54 18.4 53.4 0.25
MCHP Dicyclohexyl phthalate (DCHP) μg/L 89 * * * <LOD <LOD <LOD <LOD 0.50
MCPP Di-n-octyl phthalate (DnOP) μg/L 89 0.87 0.72 1.05 0.48 0.75 1.2 2.8 0.125
MECPP Di-2-ethylhexyl phthalate (DEHP) μg/L 89 17.1 13.5 21.7 8.09 14.6 29.4 68.8 0.50
MEP Diethyl phthalate (DEP) μg/L 89 95.5 69.3 132 34.7 103 254 679 8.0
MnBP Dibutyl phthalate (DBP), Benzylbutyl phthalate (BzBP) μg/L 89 16.3 13.0 20.5 6.59 16.2 34.2 60.8 2.0

Footnotes

*Geometric mean was not calculated because the chemical was found in less than 65% of the study group