Table 3.

Projected annual air pollution uptake and avoided power plant emission rates from a healthy 40-ft (12.2 m) tall deciduous yard tree in Fresno.

Air pollutantDeposition velocity (cm/sec)Emission factor (Ib/MWH)Control cost ($/ton)Annual uptake (Ib/tree)Annual avoided (Ib/tree)Implied value ($/tree/yr)
Pm100.60.091,3072.020.031.33
Ozone (VOC)0.450.034900.840.010.21
NO20.40.454,4120.500.161.45
SO20.660.021,6340.160.010.14
CO0.0010.689200.030.230.12
CO2NA0.000422102.82153.132.81