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QUALITY CONTROL REPORT <br /> Laboratory Control Sample <br /> Method 8020 <br /> LP# 11249 Batch # 950223-5601 <br /> Date Of Analysis 02/26/95 Spike Sample ID 0223-LCSS <br /> Column DBWax Spike ID Code W-1-1001 <br /> Instrument # 3 Surrogate ID Code W-1-1044 <br /> Matrix Soil Units ug_/Kg_ <br /> (e) (b) (C) (d) (e) (8) <br /> SAMPLE ACCEPTANCE <br /> SAMPLE DUP LIMITS <br /> + + SPIKE <br /> EPA SAMPLE SPIKE SPIKE SPIKE SPIKE DUP <br /> METHOD COMPOUNDS CONC CONC CONC RCC% CONC REC % RPD% %REC RPD <br /> 8020 Chlorobenzene 0 250 27S 110 NA NA NA 60- 128 ¢25 <br /> 8020 Benzene 0 250 268 107 NA NA NA 7()- 124 <25 <br /> 6020 EthyE Benzenc 0 250 1 282 113 NA NA NA 67-128 C25 <br /> Spike Recovery - d - ((c-a)/b) x 100 <br /> Spike Duplicate Recovery - f - ((e-a)/b) x 100 <br /> Relative Percent Difference - g - ( Ec-eJ )/((cfe) x 5) x 100 <br /> (h) U) W (1) <br /> SAMPLE <br /> SAMPLE UUP ACCEPTANCE <br /> SUR. + + SUI. SUR DUP LIMITS <br /> EPA SURROGATE SPIKE SUI.SPIKE SUR. SPIKE RECOVERY <br /> METHOD COMPOUNDS DEI' CONIC CONC REC % CONC % % REC, <br /> 8020 Bromo[luorobenzene PID 20D 139 70 NA NA 51 - 102 <br /> Surrogate % Recovery - j - (1/h) x 100 <br /> Surrogate Dup % Recovery - 1 - (k/h) x 100 <br /> MBT Environmental <br /> Laboratories Ii��1i (CN11249) <br />