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' QUALITY CONTROL REPORT <br /> Laboratory Control Sample/Laboratory Control Sample Duplicate <br /> Method 8015 - Modified <br /> LP# 6738 <br /> Analyst EB Batch # 921105-0303 <br /> Date Of Analysis 11/09/92 Spike Sample ID LCSS/LCSDS #27__ _ <br />�j Column DB-1 Spike ID Code W2-1325 W2-1144 <br /> Instrument # PGC #6 Surrogate ID Code NA <br /> Matrix Soil Units mg/—Kg <br /> (a) (b) (c) (d) (e) (f) (g) ACCEPTANCE <br /> LIMT!'S <br /> SAMPLE + SAMPLE SPIKE <br /> SAMPLE SPIKE SPIKE SPIKE DUP + DUP <br /> COMPOUNDS CONC CONC CONC REC % SPIKE CONC REC % RPD %REC RPD <br /> Gasoline 0 83 1 60 72 63 76 5 40-94 <25 <br /> Diesel 0 83 L 85 102 88 106 3 50- 121 < 25 <br /> Spike Recovery s d — ((c-a)/b) x 100 <br /> Spike Duplicate Recovery — f — ((e-a)/b) x 100 <br /> Relative Percent Difference — g = ( Ic-el )/((c+e) x 5) x 100 <br /> cALaSM <br /> - <br /> � (DC3-CN6738) <br /> ENVIRONMENTAL ENGINEERING CORPORATION OMCYC40PAW <br />