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Setting HH CEC Thresholds What is different for CECs than any other monitored, regulated compound?

Setting HH CEC Thresholds What is different for CECs than any other monitored, regulated compound? So many CECs, so little time Not any MCLs,MCL-G, PHGs for CECs Use existing MCLs,MCL-G, PHGs and other info (expertise) to define a distribution

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Setting HH CEC Thresholds What is different for CECs than any other monitored, regulated compound?

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  1. Setting HH CEC Thresholds What is different for CECs than any other monitored, regulated compound? So many CECs, so little time Not any MCLs,MCL-G, PHGs for CECs Use existing MCLs,MCL-G, PHGs and other info (expertise) to define a distribution Select the low end of distribution (define w/ experts) to develop an investigation level (single level--most stringent) Test with known case Invoke a staged series of actions

  2. . . . . . . . . . . . Action Decision Tree Increase monitoring transient chronic Establish whether additional research is needed Invoke the California Chemical Universe model Data gaps, priorities What do we know? Potential Responses Source Identification Treatment improvement Communication of approach to water resource community, to public “statistical process control” IL

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