简要概述了在环境监测质量控制考核中，如何保证生物化学需氧量测定的可靠性和准确性。
The paper talks about how to insure the accuracy and dependability of BOD value when assessing the quality control in environmental monitoring.
方法采用各种考核、测试和有关问题问卷调查的方法，评价该教学质量控制体系的有效性、合理性。
Methods: Various kinds of check-up and test and questionnaire investigation methods are used to evaluate the quality control system for measurement of being effective and reasonable.
根据对浙江省空气自动监测站的质控考核和仪器比对结果，分析了空气自动监测站质量控制存在的问题并提出相应的对策与建议。
According to the result of quality control assessment and result from different equipment of Zhejiang automatic air station, the problem and revolution of quality control of air station is provided.
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