1. This is an estimative figure.

2. The results of estimation showed that the more vary of additives rate used, the more diverse between actual discharge of hazardous waste and estimative one.

3. To classify all the possible factors of the investing risks and establish an estimative system for financial risks.

4. At the same time, as a result of limitations of investigation and basic financial data of the project is estimative and forecast able, financial evaluation has unavoidable limitation.

5. The experimental results show that the above-mentioned method can be used not only as estimative analysis but also as quantitative analysis of mechanism balance.