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1 ' <br /> Phase II Additional Ground Water Well Installation <br /> 1645 Cherokee Lane,Stockton,CA <br />' Hydro-Environmental Technologies,Inc <br /> 1 3.0 GROUND WATER MONITORING ANIS SAMPLE METHODOLOGY <br /> Ground water monitoring well installation was conducted in accordance with procedures required in CCR <br />' Title 23 procedures, and guidelines from the PHD/EHD <br /> 3.1 Monitoring Well Installation <br /> On August 10, 2001, Spectrum Exploration Inc (Spectrum) installed one ground water monitoring well, <br /> using hollow stem auger, in the shallow unconfined saturated zone The upper 35-feet of the ground <br /> water monitoring well was 2-inch diameter schedule 40 PVC blank casing and the lower 15-feet was 2- <br /> inch schedule 40 PVC slotted screen The gravel pack consisted of number 2116 sand with a 0 01-inch <br /> slot The monitoring well was sealed with at least 10 0 feet of Portland cement, and completed with a <br /> ' watertight locked cap and a traffic-rated bolt down well cover, flush mounted with the pavement A well <br /> construction diagram is included in Appendix B <br /> ' The monitoring well was installed in the area of the former diesel excavation The completed ground <br /> water monitoring well elevation was surveyed in August 2001 by Dillon & Murphy Consulting Civil <br /> Engineers of Lodi, California, a California licensed land surveyor The monitoring well was surveyed to <br /> the nearest 0 01-foot using the closest USGS bench mark or other appropriate survey mark <br /> 1 No ground water was in the well HETI will develop the well as soon as there is sufficient water in the <br /> well for development <br /> 1 <br /> 1 <br /> i <br /> i <br /> 1 <br /> 1 <br /> • 3 <br /> 1 <br />