R 325.10708 Collection of additional samples.

Rule 708. (1) A single sample shall not be attributed to more than 1 monitoring period. (2) If a sample that is needed to meet monitoring requirements is invalidated under these rules, and the public water supply does not learn of the invalidation until after the monitoring period has ended, and the supply collects a valid sample when they learn of the invalidation, then the valid sample may be used to determine compliance with these rules for the monitoring period that has ended. (3) If the department collects a sample for the purpose of enforcement when a public water supply is delinquent in meeting a monitoring requirement, then the sample collected after the monitoring period has ended may be used to determine compliance with these rules for the monitoring period that has ended.