Table 4.
Concentrations of metals in blood by treatment group.
| Treatment group | N | Whole Blood Metals | |||
|---|---|---|---|---|---|
| Pb (μg/dL)^ | Cd (μg/L)^^ | ||||
| Avg | SD | Avg | SD | ||
| Control | 16 | ND | - | ND* | - |
| Pb | |||||
| 3mM | 11 | 60.1 | 6.6 | ND | - |
| lmM | 8 | 38.5 | 4.9 | ND** | - |
| 0.03 mM | 8 | 2.89 | 0.44 | ND*** | - |
| Cd | |||||
| 300 μM | 12 | ND | - | 27.2 | 4.1 |
| 100 μM | 7 | ND | - | 6.37 | 0.87 |
| 30 μM | 6 | ND | - | 1.3 | 0.23 |
| Noise | |||||
| 108 dB | 7 | ND | - | ND | - |
| 105 dB | 10 | ND | - | ND | - |
| 102 dB | 6 | ND | - | ND | - |
| 300 μM Cd + 3 mM Pb | 9 | 57.8 | 2.2 | 16.2 | 1.2 |
| 3 mM Pb + 105 dB Noise | 9 | 57.0 | 3.9 | ND | - |
| 300 μM Cd + 105 dB Noise | 9 | ND | - | 24 | 2.9 |
| 300 μM Cd + 3 mM Pb + 105 dB Noise | 7 | 58.9 | 3.9 | 16.7 | 1.8 |
^
Detection limit is 0.5
^^
Detection limit is 0.25
*
One sample above DL: 0.26
**
One samples above DL: 0.32
***
One sample above DL: 0.27