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COU <br /> LAB CORE LABORATORIES <br /> 16 <br /> 0 U A L I T Y C 0 N T R 0 L R E S U L T S <br /> Job Number 981689 Date 11/11/98 <br /> CUSTOMER, Fluor Daniel GTI PROJECT SL/STOCKTON #20632 ATTN. Shelby Lathrop <br /> QC Type Description Reag Code Lab ID Dilution Factor Date Time <br /> Test Method EPA 8020A Batch 3501 Analyst vz <br /> Method Description Volatile Organi Units - ug/L <br /> ACV Continuing Calibration Verification 08110201 11/02/98 0812 <br /> Parameter/Test Description QC Result QC Result True Value Orig Value Calc Result * Limits <br /> nzene 52 221 50 104 % 85-115 <br /> hytbenzene 50 411 50 101 % 85-115 <br /> Methyl-t-Butyl Ether (MTBE) 50 264 50 101 % 85-115 <br />�luene 51 216 50 102 % 85-115 <br /> lenes (total) 150 90 150 101 % 85-115 <br /> f <br /> Method Blank 11/02/98 0906 <br /> Parameter/Test Description QC Result QC Result True Value Orig Value Calc Result * Limits <br /> Benzene 0 0841 0 50 <br /> WrLenzene 0 0 50 <br /> -t-Butyl Ether (MTBE) 0 10 00 <br /> ie 0 0662 0 50 <br /> Xylenes (total) 0 00 0 50 <br /> LCS Laboratory Control Sample 08110202 11/02/98 1028 <br /> Parameter/Test Description QC Result QC Result True Value Orig Value Calc Result * Limits <br /> nzene 50 107 50 100 2 % 39-150 <br /> hytbenzene 44 740 50 89 5 % 32-160 <br /> Methyl-t-Butyl Ether (MTBE) 44 572 50 89 1 % 50-150 <br />�Luene 49 338 50 98 7 % 46-148 <br /> Lenes (total) 141 39 150 94 3 % 75-125 <br /> LCD Laboratory Control Sample Duplicate 08110202 11/02/98 1055 <br /> Parameter/Test Description QC Result QC Result True Value Orig Value Calc Result * Limits <br /> Benzene 49 932 50 107 50 99 9 % 39-150 <br /> 03 R20 <br /> hytbenzene 45 039 44 740 50 90 1 % 32-160 <br /> 07 R20 <br /> lethyt-t-ButyL Ether (MTBE) 43 827 44 572 50 87 7 % 50-150 <br /> 1 7 R 25 <br /> Luene 49 467 49 338 50 98 9 % 46-148 <br /> 0 3 R 20 <br /> Itenes (total) 142 95 141 39 150 95 3 % 75-125 <br /> 1 1 R 20 <br /> Page 8 <br /> * %-% REC R-RPD A-ABS Diff D-% Diff <br /> The ru yl c x cps ap rxons o terdelatpn9 soots netl n Ir 5 eppn a e bases upon fdmaxgn a O meter ppt po pT tnB Cie 1 wnp e c e Dna cp sant!s b In —1 n is Dhow rw 6e I+e na y[ I pp ruts w n e p f[ !on <br /> a p e sa r eTY,o I the b 1 da—of Cde L—®tap Care—t—tea Dower,[takes no wu .,n y d epre enlnapn e p e p <br /> 11 s d mea of any type sntl a p o by a c m w eep!>t peas x ly p ptce ope at pot p p Of t tblrr-s pf <br /> o Aas c 0 O4De m Li poporty wa a cYb n eonnyxl Dn w tD wlr cb eupD repgt a p [ca fd any ee w wbatspevp rcp,t D MI be EF uapce0 ^ e a l w n *Ire w x n app 0 sl pl Cie Leto a!d p <br />