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QUALITY CONTROL REPORT <br /> Laboratory Control Sample <br /> Total Petroleum Hydrocarbons/TPH-Gasoline <br /> LP 11249 <br /> Date of Analysis 06/95Spike Sample ID 0223-LCSS <br /> Column RTX-VOA Spike ID Code W-1-1035 <br /> Instrument # 3 Surrogate ID Code W-1-1044 <br /> Batch # 950223-5601 Matrix Soil Units ug/Kg <br /> (a) (b) (c) (d) (c) V) (b) ACCEPTANCE <br /> LIMITS <br /> SAMPLE + SAMPLE DUP SPIKE <br /> SAMPLE SPIKE SPIKE SPIKE + UUP <br /> COMPOUNDS COVC CONC CONC REC °m SPIKE CONC REC % RPD %n %REC. RPD <br /> Gasolmc 0 2500 2400 97 NA NA NA j 75- 125 c2 5 <br /> Spike Recovery - d - ((c-a)/b) x 100 <br /> Spike Duplicate Recovery - f - ((e-a)/b) x 100 <br /> Relative Percent Difference - g - ( jc-ej )/( (c+e) x 5) x 100 <br />• (h) (k) (1) <br /> SAMPLE <br /> SAMPLE DUP ACCEPTANCE <br /> SUR. + + SUR- DUP LIMITS <br /> SURROGATE SPIKE SUR SPIKE SUR. REC SUP-SPIKE RECOVERY <br /> COMPOUNDS CONC CONC. ie CONC rb % REC_ <br /> Bromolluorobenzene 200 160 1 $0 1 NA NA 51 - 102 <br /> Surrogate % Recovery - ] - (i/h) x 100 <br /> Surrogate Dup % Recovery - 1 - (k/h) x 100 <br /> i <br /> MBT Environmental <br /> Laboratories �� ��� (CN11249) <br />