Table 2:
Treatment | ||||||
---|---|---|---|---|---|---|
Control | LPG | Gasifier | Fan rocket | Rocket elbow | Three stone fire | |
Fine particulate matter target concentration | ||||||
0 μg/m3 | 10 μg/m3 | 35 μg/m3 | 100 μg/m3 | 250 μg/m3 | 500 μg/m3 | |
Participants with completed treatment, n | 47 | 45 | 44 | 44 | 45 | 47 |
Mean (sd) PM2.5 concentration, μg/m3 | 1 (2) | 8 (3) | 46 (9) | 95 (9) | 254 (9) | 462 (41) |
Mean difference from target level, μg/m3 | 1 | −2 | 11 | −5 | 4 | −38 |
Maximum difference from target level, μg/m3 | 9 | 7 | 42 | 23 | 26 | 133 |
Mean percent difference from target level, % | −18 | 31 | −5 | 2 | −8 | |
Mean (sd) CO mixing ratio*, ppm | 2 (2) | 3 (1) | 5 (3) | 8 (2) | 6 (2) | 9 (4) |
SET = Simulated Environmental Testing; LPG = liquefied petroleum gas; sd = standard deviation; CO = carbon monoxide
CO did not have a target level. This row is showing the measured mean CO mixing ratio for each treatment.