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02 June 2005 <br /> AGE-NC Project No. 98-0500 <br /> Page 2 of 2 <br /> • A ground water data deficiency at boring CPT9: screened between 90 and 100 feet bsg to <br /> assess hydrologic unit three and screened between 145 and 150 feet bsg to assess hydrologic <br /> unit six. <br /> • A ground water data deficiency south of CPT4: screened between 50 and 65 feet bsg to <br /> assess first encountered ground water, were first ground water is currently not being <br /> monitored at the southern portion of the building on the site; screened between 90 and 100 <br /> feet bsg to assess hydrologic unit three and screened between 145 and 150 feet bsg to assess <br /> hydrologic unit six. <br /> • A groundwater data deficiency north of CPT5/7 and monitoring wells MW-25/26:screened <br /> between 90 and 100 feet bsg to assess hydrologic unit three and screened between 145 and <br /> 150 feet bsg to assess hydrologic unit six. <br /> The procedures for the pilot borings will be the same as proposed within the monitoring well <br /> installation workplan dated 25 February 2005, however the wells must be completed as single <br /> completion ground water monitoring wells.As directed by the EHD portland cement must be used <br /> for a sanitary seal (grout). These well should be added to the monitoring program. <br /> If you have any questions or comments,please contact our office at(209)467-1006. <br /> Sincerely, <br /> Advanced GeoEnvironmental, Inc. <br /> QQo\�v�pM R ��l�sr <br /> No. 7473 <br /> William R. Little <br /> Senior Project Geologist s'9jF OF cn��4o���r <br /> California Professional Geologis o. 7473 <br /> cc: Ms. Kama Harrigfeld, Esq. <br /> Ms. Kerry Heckman-CONNELL MOTOR LIFT TRUCK. <br />