Developing Proper Sanitation Requirements and Procedures for...
Developing Proper Sanitation Requirements and Procedures for Water Main Disinfectiondoi:AWWA ACE93154有几个问题使总水管消毒变得复杂.例如,过度氯化可能会导致水管溶解,变脆或开始腐蚀.为了改进水管施工或维修后的消毒,费城制定了新的施工标准,并在水管投入使用前对其进行消毒;与此同时,它收紧了供水干管投入使用必须...