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' PROJECT NAME• PRECISION JOB NO <br /> U-IIAUL/STOCKTON E920581 <br /> Date Received Date Reported: <br /> December 30, 1992 January 4, 1993 <br /> _SAMPLE DESCRIPTION 3 WATER SAMPLES <br />' ANALYTICAL QUALITY CONTROL REPORT <br /> No._nf Samples Sample ID: OC Batch No• Units; Method ` <br /> 1 6227 GC1-162 ug/L 602 <br />' 2 6228 BTXE <br /> 3 6229 <br /> 4 <br />' 6 <br /> 7 <br /> 8 ` <br /> 9 <br /> 10 <br /> 7 <br /> Method Blank/ Laboratory Control Standard <br /> SAMPLE AMOUNT OC LIMITS <br />' <br /> COMPOUND RESULTS SPIKED %REC REC <br /> Method Blank <br /> Benzene ND <br /> Toluene ND j <br /> Ethyl Benzene ND <br /> Total Xylene ND <br /> LCS <br /> Benzene 51 50 1 2 $0-120 ; <br />, Toluene 52 50 104 80-120 <br /> Ethyl Benzene 54 50 108 80-120 <br /> Total Xylene 106 100 106 80-120 <br /> t <br /> Matrix Spike/ Matrix Spike Duplicate <br /> SAMPLE SAMPLE AMOUNT DUPLICATE OC LIMITS <br /> COMP UND ID RESULTS SPIKED %REC %REC RPD RPD REC,; <br /> I <br /> Benzene 6228 ND 50 123 108 13 250 80-120 <br /> Toluene 6228 ND 50 109 101 8 250 80-120 C <br /> i ' <br /> i <br /> 1 � <br /> Precisbri LaboraW69S <br /> ENVIRONMENTAL • GEOSYNTNEnC TESTING r <br />