这个 该项目的目标是确定替代参数和指示化合物 对于可能有助于评估 间接饮用水再利用系统；以及，验证所选代理和 预测城市污水源污染物发生和去除的指标 间接饮用水再利用系统。废水监测方法 本研究中开发的污染物利用了替代参数的组合 以及专门用于监测单个装置去除效率的指示化合物 包括整体处理序列的过程。选择多个指标 代表一系列广泛的性质将允许目前对化合物进行核算 未确认（“未知”），以及合成并进入市场的新化合物 未来的环境（即新药品），前提是它们在该范围内 涵盖的财产的数量。基本概念是缺少或删除指标 在处理过程中，化合物也可以确保不存在或去除 具有类似性质的未知化合物。因此，将指示系统故障 在正常工作条件下，如果指示化合物去除不当，则 通过部分或完全去除化合物来表示。这一概念得到了验证 监测试点和全面中水回用设施的工作。指示化合物和 确定的替代参数分为不同的可治疗性和 对于每个处理过程，由以下人员提供指示化合物的主列表: 从最终可行的化合物列表中，招募已有分析方法的化合物 二级或三级处理废水中存在的指示化合物。像 预计，这些工作的结果还表明，替代参数 与纳克/升浓度下出现的指示化合物的去除密切相关。包括参考，表格。

The objectives of this project were to identify surrogate parameters and indicator compounds for wastewater-derived chemical contaminants that might be useful in the assessment of indirect potable reuse systems; and, to validate the ability of chosen surrogates and indicators to predict the occurrence and removal of wastewater-derived contaminants in indirect potable water reuse systems. The approach for monitoring wastewater-derived contaminants developed in this study utilized a combination of surrogate parameters and indicator compounds tailored to monitor the removal efficiency of individual unit processes comprising an overall treatment train. Selecting multiple indicators representing a broad range of properties will allow accounting for compounds currently not identified ("unknowns"), and new compounds synthesized and entering the environment in the future (i.e., new pharmaceuticals) provided they fall within the range of properties covered. The underlying concept is that absence or removal of an indicator compound during a treatment process would also assure absence or removal of unidentified compounds with similar properties. Thus, a system failure will be indicated by poor removal of the indicator compound while normal operating conditions will be indicated by partial or complete compound removal. This concept was validated through monitoring efforts at pilot- and full-scale water reuse facilities. Indicator compounds and surrogate parameters identified were classified into categories of different treatability and for each treatment process, a master list of indicator compounds was provided by recruiting compounds, for which analytical methods existed, from the final list of viable indicator compounds present in secondary or tertiary treated wastewater effluents. As expected, results of these efforts also revealed that surrogate parameters are not strongly correlated with the removal of indicator compounds occurring at ng/L-level concentrations. Includes reference, table.