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819 Stoker Avenue.Suite 8 <br /> TeStAmerica Sacramento, 95934 <br /> (916)921-9600 <br /> FAX(91619227-01000100 <br /> ANAtYTICAL Tr STING CORPORATION www,testamericaine.com <br /> Kleinfelder-Stockton Project: Grace Christian S701265 <br /> 2825 East Myrtle Street Project Number: 78311 G01 Reported: <br /> Stockton CA,95205 Project Manager. Steve Wiesner 01/29/07 1320 <br /> EDB AND DBCP IN WATER BY GC/ECD (EPA 504.1) - Quality Control <br /> TestAmerica - Ontario, CA <br /> Reporting Spike Source %RFC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> ^Batch C7A2103-EPA 504.1 /EPA 504.1 <br /> Blank(C7A2103-BLKI) _ Prepared&Analyzed: 01/21/07 <br /> 1,2-Dibromoethane(EDB) ND 0.010 ugh <br /> 1,2-Dibromo-3-chloropropane ND 0.0050 <br /> Surrogate: 4-BranoJluorobenzene 5.31 5.00 106 65-170 <br /> _ Laboratory Control Sample(C7A2103-B_ SI) _ Prepared&Analyzed:01/21/07 _ _- <br /> 12-Dibromoethane(EDB) 0.231 0.010 ug/1 0.250 92 70-130 <br /> 1,2-Dibromo-3-chloropropane 0.258 0.0050 0.250 103 70-130 <br /> Surrogate: 4-Bromofluoroben_ene 5.08 5.00 102 65-170' <br /> ^ Laboratory Control Sample(C7A2103-BS2) Prepared_&Analyzed`.01/21/07 <br /> 1 2-Dibromoethane(EDB) 0.229 0.010 ug/t 0.250 92 70-130 <br /> 1.2-Dibromo-3-chloropropane 0.245 0.0050 0.250 98 70-130 <br /> Surrogale: 4-Bromofluorobenzene 5.09 5.00 102 65-170 <br /> Laboratory Control Sample D_u_p_(C_ 7A2103-BSD1) Prepared&Analyzed: 01/21/07 <br /> _ 1,2-Dibromoethane(EDB) 0.0771 0.010 ug/I 0.100 77 70-130 18 30 <br /> 1,2-Dibromo-3-chloropropane 0.0846 0.0050 0.100 85 70-130 19 30 <br /> Surrogate: 4-Bramofluorobenzene 4.80 5.00 96 65-170 <br /> ^ Laboratory Control Sample Dup(C7A2103-BSD2) Prepared:01/21/07 Analyzed: 01/22/07 <br /> 1,2-Dibromoethane(EDB) 0.0779 0.010 ug/I 0.100 78 70-130 16 30 <br /> 12-Dibromo-3-chloropropane 0.0869 0.0050 0.100 87 70-130 12 30 <br /> ^Surrogate: 4-Brojnofluorobenzene 4.92 5.00 98 65-170 <br /> Matrix Spike(C7A2103-MSI) Source: 5701265-01 Prepared&Analyzed: 01/21/07 <br /> 1,2-Dibromoethane(EDB) 0.209 0.010 ug/I 0.246 ND 85 60-130 <br /> ^ 1.2-Dibromo-3-chloropropane 0.216 0.0050 0.246 ND 88 60-140 <br /> Sunogale:4-Bromoflam'obenzene 6.60 " 4.91 134 65-170 <br /> TestAmerica-Sacramento,CA The resulls in this report apply to the samples analysed in accordance,rah die chain of <br /> custody document. Unless otherwise stated,results are reported on a net weight basis. <br /> This analytical report must be reproduced in it.r entirety. <br /> _ PLATE 8 <br /> Pate 6 of 7 <br />