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CONCLUSION <br /> American Environmental Management Corporation (AEMC) has outlined the goals we are <br /> striving for, the physical characteristics of the site, and our well construction and soil sampling <br /> procedures. Hopefully we have demonstrated to you that: <br /> a. Groundwater at this site is confined and exists at a proven depth of over 25 feet. <br /> b. The potentiometric surface is at a depth of approximately 20 feet. <br /> C. The groundwater monitoring wells were properly installed and constructed with <br /> the screened intervals placed in the correct position. <br /> d. Monitoring the vadose zone either by lysimetry or soil-gas is inappropriate at <br /> this site due to the nature of the native soils. <br /> e. Soil samples were not laboratory analyzed following a verbal authorization by <br /> the CVRWQCB. <br /> _ f. Native soil conditions and the physical properties of #6 fuel oil are such that the <br /> probability of#6 fuel oil contacting groundwater and floating is highly unlikely. <br /> g. AEMC's objective is to monitor groundwater for the presence of dissolved <br /> constituents (total petroleum hydrocarbons and polynuclear aromatics) as an <br /> indication that the #6 fuel oil tank has breached. <br /> h. The shallow groundwater beneath the site has no beneficial use; therefore, <br /> Monitoring Alternative #4 is a viable monitoring alternative. <br /> ,,,� Page 8 <br />