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AN <br />Environmental Testing Laboratory Since 1949 <br />Herst Associates Project: NCYC Reported: 03/3012010 13:26 <br />4630 South Highway 94 North Outer Road Project Number: [none] <br />Saint Charles, MO 63304 Project Manager: Erin Fanning <br />Volatile Organic Analysis (EPA Method 8260) <br />QualityControl Report ControlSample <br />Control Um'sts <br />Spike Percent Percent <br />Constituent Batch ID QC Sam le ID QC Type Result Level PQL Units Recoveg RPD Recovery RPD Lab Quals <br />Benzene <br />BTC0897 BTC0897-BSI <br />LCS <br />25.570 <br />25.000 <br />0.50 <br />ug/L <br />102 <br />70-130 <br />Bromodichloromethane <br />BTC0897 BTC0897-BSI <br />LCS <br />24.320 <br />___-- .... <br />25.000 <br />__....... _._._ <br />0.50 <br />-_ _...._... _... <br />ug/L <br />_._ __.._..._..__....._ <br />97.3 <br />.___ __.._.-- <br />70-130 <br />------_... _ ..... ___._ _ <br />Chlorobenzene <br />BTC0897 BTC0897-BSI <br />LCS <br />24.570 <br />25.000 <br />0.50 <br />ug/L <br />98.3 <br />70-130 <br />Chloroethane <br />BTC0897 BTC0897-BSI <br />LCS <br />26.480 <br />25.000 <br />0.50 <br />ug/L <br />106 <br />-_.-_-.-.._...._.___..._...___._..__---•--__.__._--- <br />70-130 <br />1,4 -Dichlorobenzene <br />BTC0897 BTC0897-BS1 <br />LCS <br />-- <br />22.240 <br />25.000 <br />0.50 <br />ug/L <br />89.0 <br />70-130 <br />1,1-Dic hloroethane _ <br />BTC0897 BTC0897-BS1 <br />-.__._.___._________._.. <br />LCS <br />26.320 <br />--------__---_----_ <br />25.000 <br />0.50 <br />___._..____._._._..._.._.__--._..._- <br />uglL <br />105 <br />..____.-- <br />70-130 -.___.-- __........ _-_---- <br />__._____..._.__.....___....._---_._.... <br />1,1-Dichloroethene <br />BTC0897 BTC0897-BS1 <br />LCS <br />26.650 <br />25.000 <br />0.50 <br />ug/L <br />107 <br />70-130 <br />Toluene <br />BTC0897 BTC0897-BS1 <br />LCS <br />25.140 <br />25.000 <br />0.50 <br />ug/L <br />101 <br />70-130 <br />Trichloroethene <br />BTC0897 BTC0897-BSI <br />LCS <br />26.380 <br />25.000 <br />0.50 <br />ug/L <br />106 <br />70-130 <br />----_-.-...---- <br />1,2-Dichloroethane-d4 (Surrogate) <br />BTC0897 BTC0897-BS1 <br />LCS <br />9.5900 <br />10.000 <br />ug/L <br />95.9 <br />76-114 <br />Toluene -d8 (Surrogate) <br />BTC0897 BTC0897-BS1 <br />LCS <br />10.110 <br />10.000 <br />ug/L <br />101 <br />88-110 <br />4-Bromofluorobenzene (Surrogate) <br />BTC0897 BTC0897-BS1 <br />LCS <br />9.5300 <br />10.000 <br />ug/L <br />95.3 <br />86-115 <br />-------.......... _---- <br />Benzene <br />BTC0953 BTC0953-BSI <br />LCS <br />---._..-------.__..__- <br />27.330 <br />------ _..__.._._..___.__..._._.__.....__. <br />25.000 <br />0.50 <br />__._____.__-__._--- <br />ug/L <br />-- <br />109 <br />70-130 <br />--..-_--- - _-- <br />----...---...._..______...._......__..._..__.____-.---__..__.-_--- <br />Bromodichloromethane _-_.-._._ <br />BTC0953 BTC0953-BSI <br />_ _. ._, __.__-- <br />LCS <br />__-._._.-_- <br />25.670 <br />...___._ ___.._. <br />25.000 <br />_. _.__._.. .__._._-_._...---- <br />0.50 <br />ug/L <br />103 <br />-_-.._-- <br />70-130 <br />_-....._ <br />Chlorobenzene <br />BTC0953 BTC0953-BSI <br />LCS <br />26.430 <br />25.000 <br />0.50 <br />ug/L <br />106 <br />70-130 <br />Chloroethane <br />BTC0953 STC0953-BSI <br />LCS <br />29.250 <br />25.000 <br />__ <br />0.50 <br />ug/L <br />- <br />117 <br />70-130 <br />__..._...-------.__--_-----__ <br />-----._...__.-_....__...._._..._.___.__-.._._.._...._.. <br />1,4 -Dichlorobenzene <br />___. <br />BTC0953 BTC0953-BSI <br />LCS <br />-.._-_.__._._,._.._..__-..._.._-._..._...... <br />25.030 <br />25.000 <br />0.50 <br />ug/L <br />100 <br />70-130 <br />1,1-Dichloroethane <br />BTC0953 STC0953-BSI <br />LCS <br />28.200 <br />25.000 <br />0.50 <br />ug/L <br />113 _.......... <br />70-130 <br />-----..-.. <br />1,1-Dichloroethene <br />BTC0953 BTC0953-BSI <br />...._..-.._...-__- ------------ <br />LCS <br />--- <br />30.240 <br />-- - ----- <br />25.000 <br />-- -- ._.... <br />0.50 <br />ug/L <br />121 <br />70-130 <br />Toluene <br />BTC0953 BTC0953-BS1 <br />LCS <br />27.210 <br />25.000 <br />0.50 <br />ug/L <br />109 <br />70-130 <br />Trichloroethene <br />BTC0953 BTC0953-BS1 <br />LCS <br />28.400 <br />25.000 <br />0.50 <br />ug/L <br />114 <br />70 -130 <br />1,2-Dich€oroethane-d4 (Surrogate) STC0953 BTC0953-BSI LCS 9.0700 10.000 ug/L 90.7 76-114 <br />-..--.._.._.___.......__.._..----.-._.__.� _.-.. __.. _..__ .. _ ..---_._..._------------- _ . ... -...__ .... _....... <br />Toluene -d8 (Surrogate) BTC0953 BTC0953-BSI LCS 10.010 10.000 ug/L 100 88-110 <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 this report arc for the exclusive use of the submitting party. BC Laboratories, Inc. assumes no responsibility for report alteration, separation, detachment or third party interpretation. <br />4100 Atlas Court Bakersfield, CA 93308 (661) 327-4911 FAX(661)327-1918 www.belabs.com Page 34 of 44 <br />Certifications: California - ELAP Certification Number 1186; Nevada Administrative Code - NAC -445A <br />