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Measuring and Modeling PM Emissions from Heavy-Duty Construction Equipment.
| 题名： | Measuring and Modeling PM Emissions from Heavy-Duty Construction Equipment. |
| 关键词： | emission；modeling；measur；heavy；struc；quip；quantification；ring；from；attention |
| 摘要： | Gaseous and particle emissions from construction engines are an important fraction of the total air pollutants and are gaining increasing regulatory attention. Quantification of NOx and PM is necessary to inventory the contribution of the construction equipment, such as used by Caltrans, to atmospheric loadings, particularly for those projects in non-attainment or maintenance areas. At present, however, there is no model mutually accepted by Caltrans and regulatory agencies that can be used for the estimation of construction emissions or the development of appropriate regulations. This is due in part to a lack of emissions data from construction equipment under in-use operating conditions. The lack of a sound scientific basis for regulation has resulted in legal cases and other obstacles that could potentially delay or inhibit important transportation projects. |
| 报告类型： | 科技报告 |
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