Results for Metals

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Results on page last updated: 01/21/2015

Chemical Group: Metals

  • 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 90th Detection frequency Limit of Detection (LOD), wet-weight
Arsenic Arsenic μg/L 101 10.8 9.03 12.9 6.05 10.4 21.0 34.9 100% 0.158
Cadmium Cadmium μg/g creatinine 101 0.145 0.132 0.160 <LOD 0.138 0.190 0.277 69.7% 0.105 μg/L
Manganese Manganese μg/L 99 * * * <LOD <LOD <LOD <LOD 9.1% 0.184
Mercury Mercury μg/L 101 0.455 0.382 0.542 0.221 0.447 0.914 1.28 100% 0.0522
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
Arsenic Arsenic µg/L 89 7.71 6.39 9.32 4.34 8.15 11.2 34.9 0.158
Cadmium Cadmium μg/g creatinine 89 0.185 0.160 0.213 <LOD 0.178 0.257 0.364 0.105 μg/L
Mercury Mercury μg/L 89 0.212 0.164 0.274 0.0897 0.176 0.429 0.997 0.0522

Chemical Group: Metals

  • Measured in: Blood
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)
Cadmium Cadmium μg/L 101 0.19 0.18 0.21 0.15 0.20 0.24 0.35 78.2% 0.15
Lead Lead μg/dL 101 0.957 0.872 1.05 0.690 0.950 1.22 2.01 100% 0.02
Manganese Manganese μg/L 101 7.61 7.26 7.98 6.50 7.70 8.79 11.4 100% 0.54
Mercury Mercury μg/L 101 2.79 2.36 3.30 1.82 2.90 5.48 9.79 100% 0.06
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
Cadmium Cadmium μg/L 77 0.22 0.19 0.24 0.16 0.22 0.31 0.38 0.14 and 0.15**
Lead Lead μg/dL 77 0.65 0.57 0.75 0.45 0.60 0.84 1.6 0.027
Mercury Mercury μg/L 77 0.45 0.37 0.54 0.26 0.46 0.76 1.1 0.064

Footnotes

*Geometric mean was not calculated because the chemical was found in less than 65% of the study group
**LOD changed during the time that samples were analyzed for this project.