在加利福尼亚州进行了八次调查，以估计在某一特定社区中故意收到水质问题通知、了解需要通知的问题的消费者的百分比，从客户那里获得对此类通知的总体价值的评估，并就未来消费者通知的方法提出建议。包括3个参考文献、表格。

Eight surveys were conducted in California to estimate the percentage of consumers who knowingly received notification of water quality problems in a given community, and who understood the problem requiring notification, to obtain from customers an evaluation of the general worth of such notifications, and to develop recommendations regarding the method of future consumer notifications. Includes 3 references, tables.