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'�PrSSOCIATED LABORATORIES <br />comurlww w QWfIIY <br />QUALITY CONTROL /QUALITY ASSURANCE REPORT G65956 <br />QA/QC CONTROL NO. G65934-3 <br />INSTRUMENT LOGBOOK Hyd lfi <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 <br />soil <br />COMPOUND <br />SR <br />SRI <br />RPD <br />S.A. <br />SSR <br />SSRI <br />%RE <br />%REI <br />RPD <br />BLK <br />BENZENE <br />0 <br />0 <br />0 <br />0.05 <br />0.043 <br />0.046 <br />86 <br />92 <br />6.7 <br />0 <br />TOLUENE <br />0 <br />0 <br />0 <br />0.05 <br />0.049 <br />0.048 <br />98 <br />96 <br />2 <br />0 <br />ETHYLBENZENB <br />0 <br />0 <br />0 <br />0.05 <br />0.038 <br />0.042 <br />76 <br />84 <br />10 <br />0 <br />XYLENES <br />0 <br />0 <br />0 <br />0.15 <br />0.14 <br />0.14 <br />93 <br />93 <br />0 <br />0 <br />CHLOROBENZENE <br />1,2 -DICHLOROBENZENE <br />1,3 -DICHLOROBENZENE <br />1,4 -DICHLOROBENZENE <br />AVERAGE <br />0- 188 191 <br />4.7 <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'SRl' <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%— UPPER/LOWER 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 ORI % TO 129 <br />% <br />PASS ! NO PASS <br />DATE TYPED Jan 19 1994 <br />A 133201 <br />ACTION TAKEN <br />SPIKE SOURCE EPA Repository Dil. <br />STANDARD LOT NO. BTX 40893 <br />ANALYST Richard T.C. <br />QA / QC COMPILER <br />