Table 4.
Concentration and loading of Cr+6 in house dust in Jersey City and background locations collected in window wells on vinyl surfaces using the LWW sampler only.
| Location | Number of samples | Concentration (μg/g)
|
Loading (μg/m3)
|
||||
|---|---|---|---|---|---|---|---|
| Mean | Std. Dev. | 95th percentile | Mean | Std. Dev. | 95th percentile | ||
| Jersey City | |||||||
| Droyers Point | 2 | 0.1 | 0.1 | 0.2 | 0.5 | 0.3 | 0.7 |
| Freedom | 2 | 1.7 | 0.4 | 2.0 | 2.4 | 0.9 | 3.0 |
| Garfield | 4 | 1.1 | 1.2 | 2.5 | 2.6 | 2.9 | 6.5 |
| Lafayette | 6 | 0.3 | 0.2 | 0.7 | 1.4 | 1.5 | 3.8 |
| Society Hill | 1 | 0.2 | NA | 0.2 | 0.2 | NA | 0.2 |
| Other | 8 | 0.6 | 0.4 | 1.1 | 2.3 | 1.7 | 5.3 |
| All Jersey City samples | 23 | 0.6 | 0.7 | 2.0 | 1.9 | 1.8 | 5.3 |
| Background locations | 8 | 1.8 | 1.3 | 4.4 | 3.2 | 4.4 | 13.3 |