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QUALITY CONTROL REPORT <br /> aboratory Control Sample/Laboratory Control Sample Duplicate <br /> ethod 8010 (Modified) <br /> edium Level <br /> LP# 7639A <br /> Analyst TB Batch # 930601-0901 <br /> Date Of Analysis 06/08 93 Spike Sample ID LC/LCSD-S67 _ <br /> Column RTX-1 Spike ID Code W-1-706 <br /> Instrument # 1 Surrogate ID Code W-1-681 <br /> Matrix Soil Units- m K <br /> r <br /> Ca) (h) (c) (d) (e) {f7 (g) <br /> SAMPLE ACCEPTANCE <br /> SAMPLE DUP LIMrI`5 <br /> EPA + + SPIKE <br /> SAMPLE SPIKE SPIKE SPIKE SPIKE DUP <br /> METHOD COMPOUNDS CONC CONC CONC <br /> REC% CONC REC %n RPD% % REC RPD <br /> 8010 1 1 -Dichloroethane 0 00500 00338 <br /> 68a 00405 81 18 75- 125 C25 <br /> 80I0 11,1 -Tnchloroethane 0 0 0500 0 0390 <br /> 78 00455 91 15 75- 125 <25 <br /> 80I0 Tnehloroethene 0 00500 0047? 94 <br /> 00470 94 0 75- 125 C25 <br /> Spike Recovery a d — ((c-a)/b) x 100 <br /> Spike Duplicate Recovery m f a ((e-a)/b) x 100 <br /> Relative Percent Difference a g — ( Ic-el )/((c+e) x 5) x 100 <br /> (h) (') �) (k) (I) <br /> SAMPLE <br /> SAMPLE DUP ACCEPTANCE <br /> SUR + + SUR SUR DUP LIMITS <br /> EPA SURROGATE SPIKE SUR SPIKE SUR <br /> I- SPIKE RECOVERY <br /> METHOD COMPOUNDS DE <br /> CONC CONC REC ro CONC % <br /> % REG <br /> j 8010 o-Chlorotoluene hall 0200 0223 11� <br /> t 0215 108 <br /> 43- 158 <br /> Surrogate % Recover <br /> t Surrogate Dup % Recover Recovery 13 a (i/h) x x00 <br /> ' Y � (k/h) x 100 <br /> Irhe LCS recovery is beyond advisory acceptance limits The calibration data associated with <br /> FIs laboratory project for the same instrument on the same day were within acceptance limits <br /> t <br /> i <br /> MBT Environmental ' <br /> Laboratories r <br />