Table 1.
Source | Amount of
CH3Br, ×109 g/year
|
|||
---|---|---|---|---|
Flux | Range | Industrial | Nonindustrial | |
Ocean | 56 | 17–61 | 0 | 56 |
Biomass burning | 20 | 15–30 | 0 | 20 |
Fumigation | ||||
Soils | 32 | 16–47 | 32 | 0 |
Durables | 6.6 | 4.8–8.4 | 6.6 | 0 |
Perishables | 5.7 | 5.4–6.0 | 5.7 | 0 |
Structures | 2 | 2 | 2 | 0 |
Gasoline Additives | 5 | 0–10 | 0 | 5 |
Totals | 127 | 60–164 | 46 | 81 |
(Range) | (28–63) | (32–101) |