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O�"SSO 6ATED LABORATORIL) <br /> COMMAMENT TO gU.41M ' <br /> QUALITY CONTROL /QUALITY ASSURANCE REPORT G65956 <br /> i QA/QC CONTROL NO. G65934-3 INSTRUMENT LOGBOOK Hyd 1-6 <br /> DATE G65934-3 ANALYZED Jan 14 1994 I.L.B. PAGE LOCATION 70 <br /> DATE G65956 ANALYZED Jan 14 1994 SAMPLE LOG PAGE LOCATION 27 <br /> EPA 8020 REPORTING UNITS mg/kg SAMPLE MATRIX soil <br /> COMPOUND SR SRI RPD S.A. SSR SSRI %RE %REI RPD BLK <br /> BENZENE 0 0 0 0.05 0.043 0.046 86 92 6.7 0 <br /> � UE1VE -0 ;:... .0. `.. '.4 .......:...B.Q$: O a49. :::0048. 98.: ...: ;96...:`..:. . 0; <br /> ETHYLBEN7_ENE 0 0 0 0.05 0.038 0.042 76 84 10 0 <br /> XYLENES 0 0 0 0.15 0.14 0.14 93 93 0 0 <br /> . ... - <br /> ..GHLORDBENZENE.`:...... ... . <br /> .... <br /> . ... <br /> 1,2-DICHLOROBENZENE <br /> 1,3-DICHLOROBENZENE <br /> a <br /> :- 4 DTCHLOROBENZE'NE <br /> .... .. .:. .:......: <br /> AVERAGE 188 91 4.7 <br /> I <br /> SR-- SAMPLE <br /> SRI----- SAMPLE DUPLICATE <br /> RPD-- RELATIVE PERCENT DIFFERENCE <br /> S.A.--- ANALYTE SPIKE IN SAMPLE MATRIX <br /> SSR— SPIKE RECOVERED AND SAMPLE'SR' <br /> SSRI— SPIKE RECOVERED AND SAMPLE'SRV I <br /> %RE-- PERCENT RECOVERY OF SPIKE IN'SR' <br /> %REI--- PERCENT RECOVERY OF SPIKE IN'SRI' <br /> BLK— ANALYTE CONCENTRATION DETECTED IN LAB BLANK <br /> 99%— UPPER/LOWER CONTROL LIMIT <br /> 95%_ UPPERILOWER WARNING LIMIT <br /> s- STANDARD DEVIATION <br /> 2S--- 2 x STANDARD DEVIATION(WARNING LIMIT) <br /> 3s— 3 x STANDARD DEVIATION(CONTROL LIMIT) <br /> MEAN-- TIME WEIGHTED AVERAGE OF SPIKE RECOVERY <br /> SURROGATE SPIKE DATE <br /> BENZENYL FLUORIDE SPIKE CONCENTRATION OF 150 ng <br /> WITH A RECOVERY OF 108 % <br /> BENZENYL FLUORIDE RECOVERY LIMITS OF81 % TO 129 % <br /> PASS /NO PASS DATE TYPED .Jan 19 1994 A133201 <br /> ACTION TAKEN <br /> I <br /> SPIKE SOURCE EPA Repository Dil. STANDARD LOT NO. BTX 40893 <br /> i <br /> ANALYST Richard T.C. QA 1 QC COMPILER is <br /> 1 <br /> I <br /> I <br /> j <br /> I <br />