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C 1R111�C30��CCI CERTIFICATE OF ANALYSIS <br /> Analytpcal Laboratory Tuesday,March 12, 200 <br /> TO: William Little <br /> Advanced GeoEnvironmentat <br /> 837 Shaw Road <br /> Stockton CA 95215 <br /> Trace Metals <br /> Sample Information <br /> Sample ID: 14494-01D Sample Type: Grab <br /> Sample Description: Tank#1 North End Project Name: 4040 E.Main ST. <br /> Date/Time Sampled: 3/6/2002 4:30:00 PM Sample Matrix: Soil <br /> ANALYTICAL RESULT QAIQCR.EPORT�� <br /> Date LCS Spike MS Spike <br /> ETest Parameter Method DLR Unit Result L Analyzed Blank Cone. LCS% Conc. MS% MSD RSD <br /> Lead(Pb) EPA 6010 0.5 mg/Kg 6.4 11-Mar-02 ND 1 101.0% 1 109.1% 112.0% 0.7% <br /> milligrams per iter rrr /L-- L <br /> g I -ppm RSD-represent relative percent dtfferenl(I?PD)hetween duplicates spike of samples <br /> or Duplicate gf'Sample <br /> E TF U B ITTED ug,L T microgrrons per Liner=ppb <br /> ' <br /> , d4S%h-1SD-meastu's of'lfte perce,rl recovery efficiencies tiri!{tin the rnnirn:r <br /> C=Composite G=Grub <br /> LCS-measure of the percent recovery of the Laborwort'Control Spike(1.Cb) <br /> DLI?-Defection Limit ja-the Putpose of Reporting. Erceptional stunple <br /> Jo hall an Han V Le, Laboratory Director <br /> matrices or into,fCrrnc>ces stm result in higher detection limits <br /> ,r <br />'i EY4-E,nironmemal Protection:lgency Molhod. SA-1—Standard Uerhod for I.rtnninurtion of fritter-tf ns'tctirrrter 18th Ed. Page 1 of I <br /> 545 E. Cleveland St. Suite A Stockton, CA 95204 Tel.: (209) 462-0892 Fax: (209) 462-7935 <br />