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Inslallailon of Flush Grade <br /> Monitoring Weil <br /> PROJECT' Beacon Station *4cJ4 MONITORING WELL NO. MW-2 <br /> 2185 East Fremont Street ELEVATION 19.53 feet <br /> Stockton, California <br /> Protective Casing <br /> 8 Locking Water Tight Cap <br /> Flush Grade Well Construction <br /> Diameter and Mat'l 12—inch steel <br /> Total length 12 inches <br /> Length Above Ground 1/4 inch <br /> Thickness and Type of Seal 2 feet, concrete <br /> Diameter, Mat'? and 4 inch, SCH 40 PVC, <br /> Joint Type of Riser Pipe flush thread <br /> N <br /> J Type of Backfill <br /> Around Riser cement/ 57 <br /> bentonite grout <br /> i <br /> Thickness and Type 2 feet <br /> of Seal bentonite chips <br /> Distance of Filter Sand 2 feet <br /> Above Top of Screen <br /> Type of Filter #3 lonestor <br /> Around Screen <br /> Monitoring Well Mat'I SCH 40 PVC <br /> Screen Gauge/Slof Size 0 020 Inch <br /> J <br /> Diameter and Length 4 Inch, 15 feet <br /> Of Screen <br /> Depth to Bottom 83 feet <br /> of Monitoring Well <br /> i <br /> Depth to the Bottom 83 feet <br /> I of Filter Sand <br /> 10 in <br /> L1= 0.25 feet MONITORING WELL WATER LEVEL MEASUREMENTS <br /> L2= 67.75 feet <br /> L3- 15.0 feet DATE TIME WATER LEVEL* <br /> L4= 83.0 feet 4-17-92 2:45 72.02 <br /> Approximate Depth to <br /> Groundwater 72 feet •Meosuring Point Top of casing <br /> ACTON 9 MICKELSON * VAN DAM , INC. <br />