# Results for Metals

You may use, distribute or copy the information in these data tables, with attribution to Biomonitoring California.
Results on page last updated: 08/07/2019

## Chemical Group:Metals

• Measured in: Urine

### Project:Asian/Pacific Islander Community Exposures (ACE) Project - ACE 1

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
Arsenic Arsenic µg/L 100 22.2 18.2 27.0 12.6 22.1 44.0 131 100% 0.162
Cadmium Cadmium µg/g creatinine 100 0.450 0.377 0.536 0.222 0.460 0.913 1.75 97% 0.0391 µg/L
Mercury Mercury µg/L 100 0.301 0.246 0.367 0.135 0.301 0.599 1.71 99% 0.0300

### Project:Asian/Pacific Islander Community Exposures (ACE) Project - ACE 2

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
Arsenic Arsenic µg/L 100 33.6 27.4 41.1 18.0 35.4 70.5 121 100% 0.100
Cadmium Cadmium µg/g 100 0.625 0.527 0.740 0.353 0.712 1.12 2.16 99% 0.0300 µg/L
Mercury Mercury µg/L 100 0.432 0.349 0.535 0.218 0.418 0.816 2.11 97% 0.0500

### Project:Biomonitoring Exposures Study (BEST) - 1.Pilot

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
Arsenic Arsenic µg/L 108 11.6 9.30 14.5 5.08 10.9 21.5 102 100% 0.0493 µg/L
Cadmium Cadmium µg/g creatinine 108 0.301 0.267 0.339 0.186 0.300 0.461 0.853 100% 0.0420 µg/L
Mercury Mercury µg/L 108 0.210 0.168 0.263 0.087 0.217 0.509 1.14 98.1% 0.0163 µg/L

### Project:Biomonitoring Exposures Study (BEST) - 2.Expanded

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
Arsenic Arsenic µg/L 218 11.2 9.74 13.0 5.68 11.4 20.8 73.1 100% 0.0493 µg/L
Cadmium Cadmium µg/g creatinine 218 0.242 0.219 0.267 0.151 0.233 0.396 0.901 93.1% 0.0420 µg/L
Cobalt Cobalt µg/L 218 0.192 0.166 0.223 0.100 0.182 0.343 1.35 99.1% 0.0113 µg/L
Manganese Manganese µg/L 218 * * * <LOD 0.0655 0.115 0.416 59.6% 0.0499 µg/L
Mercury Mercury µg/L 218 0.201 0.168 0.241 0.100 0.222 0.478 1.59 93.6% 0.0163 µg/L
Molybdenum Molybdenum µg/L 218 46.7 41.2 53.1 25.2 51.2 90.6 207 100% 0.0736 µg/L
Thallium Thallium µg/L 218 0.177 0.159 0.196 0.129 0.199 0.295 0.465 99.1% 0.00982 µg/L
Tungsten Tungsten µg/L 218 0.0787 0.0667 0.0929 0.0401 0.0789 0.168 0.563 96.3% 0.00493 µg/L
Uranium Uranium µg/L 218 0.00770 0.00642 0.00923 0.00323 0.00775 0.0161 0.0807 86.2% 0.00134 µg/L

### Project:Firefighter Occupational Exposures (FOX) Project

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

### Project:Maternal and Infant Environmental Exposure Project (MIEEP)

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

### Project:Asian/Pacific Islander Community Exposures (ACE) Project - ACE 1

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
Cadmium Cadmium µg/L 96 0.524 0.462 0.595 0.344 0.520 0.801 1.15 99% 0.150
Lead Lead µg/dL 96 1.23 1.11 1.37 0.843 1.23 1.90 2.37 100% 0.0500
Mercury Mercury µg/L 96 3.58 3.01 4.26 2.47 4.12 7.13 9.24 100% 0.150

### Project:Asian/Pacific Islander Community Exposures (ACE) Project - ACE 2

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
Cadmium Cadmium µg/L 99 0.592 0.526 0.666 0.374 0.609 0.892 1.29 100% 0.0750
Lead Lead µg/dL 99 1.12 1.02 1.22 0.858 1.06 1.41 2.07 100% 0.0250
Mercury Mercury µg/L 99 4.77 4.13 5.51 3.22 5.18 8.04 9.99 100% 0.0750

### Project:Biomonitoring Exposures Study (BEST) - 1.Pilot

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
Cadmium Cadmium µg/L 110 0.271 0.237 0.311 0.170 0.275 0.390 0.990 100% 0.06 µg/L
Lead Lead µg/dL 110 1.05 0.931 1.18 0.700 1.05 1.47 2.45 100% 0.02 µg/dL
Manganese Manganese µg/L 110 8.09 7.62 8.58 6.50 8.40 9.80 13.4 100% 0.45 µg/L
Mercury Mercury µg/L 110 0.748 0.602 0.929 0.370 0.745 1.79 4.26 99.1% 0.04 µg/L

### Project:Biomonitoring Exposures Study (BEST) - 2.Expanded

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
Cadmium Cadmium µg/L 315 0.266 0.249 0.285 0.175 0.249 0.393 0.927 100% 0.0111 µg/L
Lead Lead µg/dL 315 0.841 0.776 0.911 0.484 0.825 1.38 2.61 100% 0.0109 µg/dL
Manganese Manganese µg/L 315 9.55 9.24 9.87 7.91 9.57 11.7 15.9 100% 1.00 µg/L
Mercury Mercury µg/L 315 0.826 0.731 0.933 0.437 0.814 1.77 4.88 99.7% 0.0294 µg/L

### Project:Firefighter Occupational Exposures (FOX) Project

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

### Project:Maternal and Infant Environmental Exposure Project (MIEEP)

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.