本报告由AWWA微生物问题委员会编制，介绍了其对水实验室质量控制实践的调查结果。从报告中提取了两组数据。在一组中，所有参与调查的实验室都按活动分组；在第二组中，水和废水公用设施按服务人口分类。具体内容包括样品采集、实验室纯水、抑制性残留试验、标准平板计数；介质存储、温度和实验室设备。包括20个参考资料、表格和照片。

Prepared by the AWWA Committee on Microbiological Problems, this report presents the results of its survey of quality control practices in water laboratories. Two sets of data were extracted from the returns. In one set all the laboratories taking part in the survey are grouped by activity; in the second set, water and wastewater utilities are classified by population served. Specifics covered include sample collection, laboratory pure water, inhibitory residue test, standard plate counts; media storage, temperature, and laboratory equipment. Includes 20 references, tables, photographs.