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' JJW GEOSCIENCES - Project #8013-01 <br /> Valley Showcase, Stockton, California <br /> eg <br /> iTEG PROJECT#01215C <br />' BTEX& MTBE EPA 8020A & TPH EPA mod8015 ANALYSES OF WATERS <br /> SAMPLE DATE DATE C5-C11 MTBE BENZENE TOLUENE ETHYLBNZ XYLENES <br /> NUMBER SAMPLE ANALYZED ug/L ug/L ug/L ug/L ug/L uglL_ <br />' BLANK 12/15/00 nd nd nd nd nd nd <br /> MW-1 12/13/00 12/15/00 nd nd nd nd nd nd <br />' MW-2 12/13/00 12/15/00 1100 nd 33 16 73 280 <br /> MW-3 12/13/00 12/15/00 nd nd nd nd nd nd <br /> MW-4 12/13/00 12/15/00 nd nd nd nd nd nd <br />' MW-5 12/13/00 12/15/00 55 nd 3.8 nd 4.7 2.6 <br /> i <br /> REPORTING LIMITS 50 1.0 0.5 0.5 Q5 0.5 <br />' 'nd' INDICATES NOT DETECTED AT LISTED REPORTING LIMITS. i <br /> 'C5-C11' INDICATES GASOLINE RANGE. <br /> I <br /> ' QA/QC DATA - LCS/LCSD- WATERS <br /> DATE GASOLINE MTBE BENZENE TOLUENE ETHYLBNZ XYLENES <br /> ANALYZED ug/L ug/L_ __ ug/L ug/L uq/L uglL <br /> ' <br /> Spiked Conc. 12/15/00 2000 5.00 5.00 5.00 5.00 15.00 <br /> ' Measured Conc. 1436 3.81 5.01 4.89 5.16 16.95 <br /> %Recovery 71.8% 76.2% 100.2% 97.8% 103.2% 113.0'/ <br /> ' Spiked Conc. 12115/00 2000 5.00 5.00 5.00 5.00 15.00 <br /> Measured Conc. 1346 4.06 4.69 4.63 4.95 15.76 <br /> %Recovery 67.3% 81.2% 93.8% 92.6% 99.0% 105.1% <br /> ' RPD _ 6.5% 6.4% 6.6% 5.5% 4.2% 7.3% <br /> ' ACCEPTABLE RPD LIMIT= 15% <br /> ANALYSES PERFORMED IN TEG-Northern California's DHS CERTIFIED LAB <br /> ANALYSES PERFORMED BY., Mr. Henry Wilkinson <br /> ' 11310 Monier Park Place, Rancho Cordova, CA 95742 Phone: (916) 853-8010 Fax: (916) 853-8020 <br />