Table 1.
Summary statistics of PM and endotoxin concentrations by fuel type, sampling fraction, and country for short (< 200 min) cooking-interval samples.
| PM (mg/m3) |
Endotoxin (EU/m3) |
|||||||
|---|---|---|---|---|---|---|---|---|
| Fuel/particle size | n | Range | Mean ± SD | Median | Range | Mean ± SD | Median | < LOD (n) |
| Nepal, TIP | ||||||||
| Wood | 16 | 0.22–4.08 | 1.14 (1.12) | 0.68 | 6–371 | 100 (113) | 43 | 4a |
| Dung | 15 | 0.91–12.8 | 3.78 (3.51) | 2.33 | 133–1,002 | 498 (291) | 365 | 0 |
| Malawi, Resp | ||||||||
| Wood | 4 | 1.40–9.65 | 4.73 (3.97) | 3.94 | 63–520 | 202 (217) | 113 | 1b |
| Maize crop residue | 2 | 0.65–9.56 | 5.11 (6.30) | 5.11 | 45–3,172 | 1,609 (2,211) | 1,609 | 1c |
Abbreviations: LOD, analytical limit of detection (Malawi, 27.7 EU/filter; Nepal, 2.85 EU/filter); Resp, respirable PM; TIP, total inhalable PM.
a
Concentrations generated from filters assigned values of LOD/2 were 6.18, 6.23, 7.02, and 7.96 EU/m3.
b
Concentration generated from filter assigned values of LOD/2 was 63.3 EU/m3.
c
Concentration generated from filter assigned values of LOD/2 was 45.1 EU/m3.