Laserfiche WebLink
. OS January 2004 <br /> AGE-NC Project No 97-0333 <br /> Page 7 of 11 <br /> ' plotted for the informal First Zone, Second Zone, Third Zone and Primary Aquifer Zone <br /> hydrogeologic flow units, and are depicted on Figures 4 through 7 <br /> ' 3 5 1 1 First Zone Aquifer <br /> Ground water elevation data collected in the First Zone Aquifer (15 to 47 feet bsg) inferred an <br /> inward ground water flow, towards a ground water depression in the area of wells EW-1, MW-4, <br /> MW-6 and MW-7A(Figure 4)and further north off-site was inferred with a north-northeast ground <br /> ' water flow direction, the ground water gradient was approximately 0 001 fUft or less within the <br /> depression <br /> 3 5 12 Second Zone Aquifer <br /> Ground water elevation data collected in the Second Zone Aquifer (58 to 92 feet bsg) inferred a <br /> 'north-northeast ground water flow direction Ground water gradient was approximately 0 001 ft/ft <br /> or less on the site (Figure 5) <br /> 10 <br /> 3 5 13 Third Zone Aquifer <br /> Ground water elevation data collected in the Third Zone Aquifer (102 to 120 feet bsg) inferred a <br /> ' north-northeast ground water flow direction Ground water gradient was approximately 0 001 ft/ft <br /> or less on the site (Figure 6) <br />� 3 5 14 Primary Aquifer Zane <br /> 4 <br /> ' Ground water elevation data collected in the Primary Aquifer Zone(128 to 150 feet bsg) inferred a <br /> north-northeast ground water flow direction Ground water gradient was approximately 0 001 ft/ft <br /> or less on the site (Figure 7) <br /> 1 <br /> 3 5 2 Laboratory Results of Ground Water Samples <br /> ' During the October 2004 sampling event, TPH-g was detected in twenty-three (23)water samples <br /> collected from wells MW-1 through MW-4, MW-7 (A-E), MW-8 (B-D), MW-9B, MW-10 (B, C <br /> and F), MW-11 (C-D), MW-12 (A-D) and MW-13C at concentrations as high as 20,000 µg/1 <br /> (MW-2) <br /> Advanced CeoEnvironmental,Inc <br /> 1 ' <br />