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am <br /> Laboratories Inc. _1 <br /> 7L <br /> Environmental Testing Laboratory Since 1949 <br /> Herst Associates Project: NCYC Reported: 10/07/2009 13:55 <br /> 4630 South Highway 94 North Outer Road Project Number: Austin Road <br /> Saint Charles, MO 63304 Project Manager: Erin Fanning <br /> 'volatile organic Analysis (EPA Method 6260) <br /> Quality Control Report - Laboratory Control Sample <br /> Control Limits <br /> Spike Percent Percent <br /> Constituent Batch ID QC Sample ID QC T Result Levet PQL Units RecoveryRPD RecoveryRPD Lab Quaffs <br /> 4-Bromofluorobenzene(Surrogate) BSJ0211 BSJ0211-BS1 LCS 10,140 10.000 ug/L 101 86-115 <br /> Benzene BSJ0219 BSJ0219-BS1 LCS 28.630 25.000 0.50 ug/L 115 70-130 <br /> ---..............— - <br /> 30 <br /> Brom odichloromethane BSJ0219 BSJ0219-BS1 LCS 25.630 25.000 0.50 ug/L 103.__._.____-70-.._�__— ___...._...,..—.__..—.___...........____............. <br /> Chlorobenzene BSJ0219 BSJ0219-BS1 LCS 26.340 25.000 0.50 ug/L 105 70- 130 <br /> —.... ......- --.... ... _— _.........— _... <br /> Chloroethane BSJ0219 BSJ0219-BS1 LCS 27.980 25-000 0.50 ug/L 112 70-130 — <br /> —_ ................ .............----- ... -- <br /> 1,4-Dichlorobenzene BSJ0219 BSJ0219-BSI LCS 25.940 25.000 0.50 ug/L 104 70-130 <br /> —_ ....... .........._..—......... ...— .—_................ <br /> ..- <br /> 1,I-Dichloroethane BSJ0219 BSJ0219-BSI LCS 27.210 25.000 0.50 ug/L 109 70-130 _ <br /> __ --- - — - .,..— -------------- ---— _-.. ................. _ <br /> 1,1-Dichloroethene BSJ0219 8SJ0219-BS1 LCS 28.870 25.000 0.50 ug/L 115 70-1 — <br /> Toluene BSJ0219 BSJ0219-BS1 LCS 26.770 25.000 0.50 ug/L 107 70-130 <br /> __...------ ---...... <br /> Trichloroethene BSJ0219 BSJ0219-BS1 LCS 26.460 25.000 0.50 ug/L 106 70-130 __.__.-_. .....--.—..... <br /> ..— —. <br /> -- __.... ......_.-..—_--- _--.. ..... ......_---- <br /> 1,2-Dichloroethane-d4(Surrogate) BSJ0219 BSJ0219-BS1 LCS 9.7900 10.000 ug/L 97.9 76-114 _............ — •..........-- <br /> Toluene-d8(Surrogate) BSJ0219 BSJ0219-BSI LCS 9.9700 10.000 ug/L 99.7 88-110 <br /> ...................... ....... <br /> 4-Bromofluorobenzene(Surrogate) BSJ0219 BSJ0219-BS1 LCS 9.3200 10.000 ugtL 93.2 86-115 —— <br /> The results in this report apply to the samples analyzed in accordance with the chain of custody document. This analytical report must be reproduced in its entirety. <br /> All results listed in Otis report are for the exclusive use of the subarittinR party. BC Laboratories,Inc.asswnes no responsibility for retort alteration,separation,detachment or third Iwrtv interpretation. Page 35 of 44 <br /> 4100 Atlas Court Bakersfield,CA 93308 (661)327-4911 FAX(661)327-1918 www.bclabs.com g <br /> Certifications: California-ELAP Certification Number 1186; Nevada Administrative Code-NAC-445A <br />