Common use of Long Term Monitoring Clause in Contracts

Long Term Monitoring. Periodic monitoring of the well network is performed to characterize the Northwest Plume and help determine the effectiveness of system performance. The monitoring frequency is summarized in Section 4.6. ▇▇▇▇▇ generally are located upgradient of the EWs or peripheral to the system where TCE concentrations generally are not expected to fluctuate significantly as a result of system operation. EWs are sampled quarterly at sampling ports under normal operating conditions.