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Site Background <br /> Canepa's Car Wash,Park Street <br /> Page 7 of 7 <br /> Laboratory analytical results indicated that MTBE was detected in the groundwater samples collected <br /> from MW-1, MW-3, MW-4, MW-6, and MW-7 at concentrations of 1 1 µg/L, 1 8 µg/L, 1 0 µg/L, 3 5 <br /> µglL, and 2 0 µg/L, respectively MTBE was not detected at or above elevated detection limits of 10 0 <br /> µg/L and 50 0 }Lg/L in the groundwater samples collected from MW-2 and MW-5, respectively <br /> Laboratory analytical results indicated that 1,2-DCA was detected in the groundwater sample collected <br /> from MW-5 at a concentration of 72 µg/L The January 2005 monitoring event is the first time that <br /> 1,2-DCA was detected in any of the monitor wells at the site <br /> The average depth to groundwater in the monitor wells was 28 52 feet below the surveyed well collar <br /> measuring points on January 13, 2005, 0 56 foot higher than measured during the previous quarter The <br /> groundwater elevation contours indicated that the groundwater gradient was variable across the site, but <br /> generally toward the north <br /> P 12000_prj12038 Canepa Park12038B Canepa Park\ReportslReports\2038B Canepa's Apr 2005 2nd grnr\Site Back for Apnl 2005 2nd doc <br />