Table 3.
Number of facilities, emissions, and average emission indices (AEI) by facility type and study center, for all facilities within 5 km of the 100 study homes.a
| Total | Detroit | Iowa | Los Angeles County | Seattle | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
|
| ||||||||||
| Facility Type | # Facilities | Avg 1995 Emissions (pg TEQ/yr) | # Facilities | AEI Median (IQR) (pg TEQ/km2/yr) | # Facilities | AEI Median (IQR) (pg TEQ/km2/yr) | # Facilities | AEI Median (IQR) (pg TEQ/km2/yr) | # Facilities | AEI Median (IQR) (pg TEQ/km2/yr) |
| Cement Kiln | 5 | 170 | 1 | 18 (5.9, 30) | 2 | 91.5 (39, 140) | 0 | 0 | 2 | 8.8 (5.3, 16) |
| Coal-Fired Plant | 23 | 200 | 9 | 67 (29, 170) | 13 | 34 (26, 42) | 1 | 0.33 (0.25, 1.1) | 0 | 0 |
| Hazardous Waste Incinerator | 2 | 100 | 0 | 0 | 0 | 0 | 2 | 7.5 (0.40, 14) | 0 | 0 |
| Medical Waste Incinerator | 36 | 410 | 29 | 220 (92, 560) | 4 | 23.2 (16, 68) | 0 | 0 | 3 | 14 (3.4, 21) |
| Municipal Solid Waste Incinerator | 7 | 14200 | 3 | 3350 (2700, 5200) | 1 | 280 (280, 280) | 2 | 6.1 (3.8, 7.7) | 1 | 4.0 (3.9, 4.4) |
| Sewage Sludge Incinerator | 7 | 110 | 5 | 7.2 (3.5, 13) | 1 | 3.1 (2.8, 3.4) | 0 | 0 | 1 | 6.2 (3.5, 6.7) |
| All Facilities | 80 | NA | 47 | 330 (8.8, 1520) | 21 | 57 (34, 140) | 5 | 0.88 (0.37, 8.1) | 7 | 8.8 (4.9, 26) |
IQR, inter-quartile range; TEQ, toxic equivalence
a
Facility is defined as an emission source. Therefore, a given address or industrial site could have more than one unique facilities.