Laserfiche WebLink
' 27'August•2004 <br /> 'AGE-NC Project No. 98-0440 <br /> Page 4;of 6 <br /> ` After collection; the samples were properly labeled; placed in a chilled container and transported <br />' under chain Of-custody to'McCampbell Analytical Inc.•(MAI).'Each sample was analyzed for: <br /> TPH-grand-TPH-d by EPA'Method 801'5Wand 4 <br /> j BTEX and methyl tertiary butyl ether(MTBE)by EPA Method 8021'. <br /> 3.0. FINDINGS <br />' .,,-, Ground water elevation flow direction and , adient were detchhined from field data"collected.on <br /> r' 31 March 2004:The hydrocarbon impact to soil and ground-wafer was quantified by the laborafory <br />' analytical data. s : <br /> 3.1. -STRATIGRAPHY, <br /> Damp to saturated, gray to brown, silty sand was encountered at 20 feet bsg in borings MW 11 and , <br /> MW 12, Dry to saturated,brown,silty.clay and clay were at 15 feet and 25 feet bsg in borings MWI I' <br /> and MW 12.: <br />' Organic vapor was,not detected in the soil samples collected.PID data is included on the boring logs ; <br /> (Appendix Q. <br /> .,GROUND WATER GRADIENT'AND FLOW DIRECTION' <br />' D.epths to,.ground water ranged from'.14.61 feet to •15.48 feet below-the.well caging tops-. Ground° ' <br /> water'eievations at the'site ranged from 24.37 feet above mean sea Tevel{MSL) in welILMW'1'2 to <br /> '25.58 feetabove MSL in well MWE'Ground water levels were'withm the screened intervals'of all " <br /> the rrionitoring wells on-site. <br /> The ground water fflow.direction was'inferred_using*ground water elevation data.The ground water. <br />' at the site on;3.1•March.2004 was.inferred,to be flowing to the north-northwest under an average <br /> gradient of 0.005 feet/feet across the areamonitored. Figure 3 illustrates the ground,water elevation <br /> contours. z <br /> r <br />' 1 Advanced GcoEnvironmental,Inc. <br />