This paper ,from the discharge mode and composition characteristics of chemical experiment wastewater ,analysed the shortage of chemical experiment wastewater Discharge system safetily at present exists and the hidden danger to the safety of surrounding environment .Security in all ,national environmen-tal and safety departments should as soon as possible draw up legislation forthe laboratory wastewater secur-ity discharge ,For solve the legalbasis for high -risk pollution sources that exists in our side has serious secu-rity danger ,Establish the legal basis .%从化学实验废水的排放方式和成份特点入手，归纳了目前多数实验室下水管网的连接方式，并分析了在此种下水管网接入方式下目前实验室存在的实验废水安全排放制度缺失以及对周边环境安全威胁的隐患。从废水排放制度、法律法规等方面提出了完善实验室废水完全处置措施，为我们国家的环境改善添砖加瓦，为人民创造一个安全的生活环境。
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