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ASSOCIATED LABORATORV <br />- COMMI'IMEM w QUAIIly <br />QUALITY CONTROL /QUALITY ASSURANCE REPORT G65955 <br />QA/QC CONTROL NO. G65934-3 <br />INSTRUMENT LOGBOOK Hyd 1-6 <br />DATE G65934-3 ANALYZED Jan 14 1994 I.L.B. PAGE LOCATION 70 <br />DATE G65955 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 />ETHYLBENZENE <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-DICHLOROBEAZENE <br />1,4 -DICHLOROBENZENE <br />AVERAGE of 188 91 <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'SRV <br />%RE---- PERCENT RECOVERY OF SPIKE IN'SR' <br />%REI--- PERCENT RECOVERY OF SPIKE IN'SRV <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 OF81 % TO 129 <br />% <br />PASS / NO PASS <br />DATE TYPED Jan 19 1994 A133201 <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 />