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w.. <br /> ASSOCIATED LABORATORIES <br /> QA REPORT FORM - ORGANICS <br /> QC Sample: LR15572/692 Report Date: 10/20/97 <br /> Matrix: SOIL Prep. Method: 8020 <br /> Prep. Date: 10/17/97 File Name S10177S <br /> Analysis Date: 10/17/97 Report by QL <br /> Analyst: QD <br /> y LAB ID#'s in Batch: LR15572, LR15624, LR15611 <br /> V <br /> MATRIX SPIKE / MATRIX SPIKE DUPLICATE RESULT <br /> �. REPORTING UNITS = MG/KG <br /> Sample Spike Matrix Matrix %Rec %Rec <br /> Test Method Result ND Added Spike Spike Dup MS MSD RPD <br /> Benzene 8020 <0.005 U 0.05 0.0414 0.0381 82.8 76.2 8.3 <br /> Toluene 8020 <0.005 U 0.05 0.0399 0.0396 79.8 79.2 0.8 <br /> Ethylbenzene 8020 <0.005 U 0.05 0.0378 0.0386 75.6 77.2 2.1 <br /> Xylenes 8020 <0.015 U 0.15 0.1323 0.1299 88.2 86.6 1.8 <br /> %REC LIMITS = 70 - 130 <br /> RPD LIMITS = 30 <br /> ND = "U"-Not Detected <br /> v RPD =Relative Percent Difference of Matrix Spike and Matrix Spike Dup <br /> %REC-MS & MSD = Percent Recovery of Matrix Spike & Matrix Spike Duplicate <br /> PREPARATION BLANK / LAB CONTROL SAMPLE RESULTS <br /> PREP BLANK LCS <br /> `' Test Method lValue IND IResult I True I %Rec I L.Limit I H.Limit <br /> enzene 8020 < 0 0 <br /> Toluene 8020 <0.005 U 9.680 10 96.8 80% 120% <br /> V <br /> Ethylbenzene 8020 <0.005 U 9.600 10 96.0 80% 120% 11 <br /> Xylenes 8020 <0.015 U 29.670 30 98.9 80% 120% <br /> V <br /> VALUE=Preparation Blank Value; ND = "U"for Not-Detected <br /> LCS =Lab Control Sample Result <br /> �. TRUE= True Value of LCS <br /> L.L1M1T/H.LIMIT= LCS Control Limits <br /> v <br />