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i ® M i i i i i i Mill M i i i <br /> Laboratories,Inc. I <br /> Environmental Testing Laboratory Since 1949 <br /> Herst Associates Project: NCYC Reported: 01/26/2009 14:30 <br /> 4630 South Highway 94 North Outer Road Project Number: NCYCC VOC Samples <br /> Saint Charles,MO 63304 Project Manager: Brian Power <br /> Volatile Organic A (EPA Method 8260) <br /> Quality Control Repo - Precision & Accuracy <br /> Control Limits <br /> Source Source Spike Percent Percent <br /> Constituent Batch ID QC Sample Type Sample ID Result Result Added units RPD Recovery RPD Recoveq Lab Quals <br /> Benzene BSA1303 Matrix Spike 0900831-02 0 26.970 25.000 ug/L 108 70-130 <br /> Matrix Spike Duplicate 0900831-02 0 27.150 25.000 ug/L 0.9 109 20 70-130 <br /> 70-130 <br /> Bromodichloromethane BSA1303 Matrix Spike 0900831-02 0 25 25.580 0 ug/L 1.9 102 20 70-130 <br /> .030 25.0025.000 ug/L 104 <br /> Matrix Spike Duplicate 0900831-02 0 - <br /> ------------------- <br /> ---------------- <br /> ------- 113 70-130 <br /> Chlorobenzene BSA1303 Matrix Spike 0900831-02 0 28.310 25.000 ugl <br /> Matrix Spike Duplicate 0900831-02 0 25.180 25.000 ug/L 11.2 J 101 20 70-130 - <br /> --- ----- ------ <br /> __ --- p p <br /> ----------._.-_ 115 70-130 <br /> Chloroethane <br /> 0- <br /> Chloroethane BSA1303 Matrix Spike 0900831-02 0 28.750 25.00D ug/L <br /> Matrix Spike Duplicate 0 29.560 25.000 ug/L 2.6 118 20 70-130 <br /> -------- _--- 109 70-130 <br /> 1,4-Dichlorobenzene BSA1303 Matrix Spike 0900831-02 0 27.320 25.000 u <br /> Matrix Spike Duplicate0900831-02 0 24.760 25.000 ug/L - 9.6 99.0 20 70-130 _- - <br /> 1,1-Dichloroethane BSA1303 Matrix Spike 0900831-02 0 27.400 25.000 ug/L 110 70- <br /> 130 <br /> Matra Spike Duplicate 0900831-02 0 27.690 25.000 ug/L 0.9 111 20 70-130 <br /> -- - .... <br /> 130 <br /> 1,1-Dichloroethene BSA1303 Matrix Spike 0900831-02 0 29.190 25.000 ug/L 117 - <br /> Matrix Spike Duplicate 0900831-02 _0 29.230- - 25.000 ug/L 0 117 20 70-130 <br /> Toluene _ BSA1303 Matrix Spike 0900831-02 0 27.600 25-000 ug/L 110 70-130 <br /> Matrix Spike Duplicate 0900831-02 0 27.620 25.000 ug/L 0 110 20 70-130 <br /> 110 <br /> 70-130 <br /> Trichloroethene BSA1303 Matrix Spike 0900831-02 0 27.550 25.000 ug/L <br /> Matrix Spike Duplicate 0900831-02 0 26.770 25.000 ugtL 2.8 107 20 70-130 <br /> -_....-------- -- -- <br /> 114 <br /> 1,2-Dichloroethane-d4(Surrogate) BSA1303 Matrix Spike 0900831-02 ND 10.070 10.000 ug/L. 101 - <br /> Matrix Spike Duplicate 0900831-02 ND 9.9700 10.000 ug/L 99.7 76-114- <br /> _..-. <br /> Toluene-d8(Surrogate) BSA1303 Matrix Spike 0900831-02 ND 10.250 10.000 ug/L 102 88-110 <br /> Matra Spike Duplicate 0900831-02 ND 10.140 10.000 ug/L 101 88-110 <br /> 4-Bromofluorobenzene(Surrogate) BSA1303 Matra Spike 0900831-02 ND 10.230 10.000 ug/L 102 86 <br /> -115 <br /> Matrix Spike Duplicate 0900831402 ND 9.8300 10.000 ug/L 98.3 86-115 <br /> _ ...-- <br /> 70-130 <br /> Benzene BSA1304 Matrix Spike 0900836-01 0 27.730 25.000 ug/L 111 <br /> Matrix Spike Duplicate 0900836-01 0 27.500 25.000 ug/L 0.9 110 20 70-130 <br /> The results in this report apply to the samples analyzed in accordance with the chain a,f custody document.This analytical report must be reproduced in its enurety- <br /> Alt results listed in this report are for the exclusive use of the submitting patty. BC Laboratories,Inc._asstnnnes no responsibility for report alteration,separation,detacbment of third pay interpretation Page 31 of 40 <br /> 4100 Atlas Court Bakersfield,CA 93308 (661)327-4911 FAX(661)327-1918 www.bclabs.com g <br /> Certifications: Califomia-EIAP Certification Number 1186; Nevada Administrative Code-NAC-445A <br />