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9 <br /> VI. Observation Well Design, <br /> cont. <br /> B.Secondary Goal of Observation Well Network: <br /> Monitor variations in groundwater levels across the <br /> nine main bedrock lithologies. <br /> Terrane effect (bedrock) observation wells <br /> should be completed in each of the nine main <br /> bedrock lithologies. <br /> VI. Observation Well Design, <br /> cont. <br /> • The bedrock wells should also be utilized to gain <br /> water quality information, including: <br /> • Arsenic and radon concentrations in <br /> groundwater <br /> • Groundwater quality near biosolids application <br /> areas <br /> 7 <br />