329 Ind. Admin. Code 10-2-19
Current through May 29, 2024
Authority: IC 13-14-8-7; IC 13-15-2-1; IC 13-19-3-1
Affected: IC 13-30-2; IC 25-31; IC 36-9-30
Sec. 19.
"Background ground water mean" means the arithmetic mean of a constituent's concentrations collected from the background ground water monitoring well or wells of a defined hydrogeologic flow regime that is intended to monitor and characterize the background water quality or the pooled average of the historical ground water data of a particular ground water monitoring well per constituent.
329 IAC 10-2-19