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ASSOCIATED LABORATORIES <br /> LCS REPORT FORM-METHOD 8260/624/524 2 <br /> QC Sample LCS/LCSD-Water Samples <br /> Arlulysis Date 02/28/03 <br /> Wiesto LR 106887, 106877,106964,106886 <br /> g Units= ug/L <br /> Lab Controlled S ike 1 Lab Controlled Spike Du ficate <br /> Sample Spike LCS LCS %Rec %Rec QC Limits <br /> Test Result Added Spike S k Dup LCS LCS D RPD RPD I %REC <br /> I,1-DEchloToethene ND 50 5058 4742 101 95 6 22 59-172 <br /> MTBE ND 50 4637 4636 93 93 0 24 62-137 <br /> Benzene ND 50 4978 4573 100 91 1 8 24 62-137 <br /> Tnchloroethene ND 50 48 12 4625 96 93 4 21 66-142 <br /> Toluene ND 50 50 02 47 86 100 96 4J�21H <br /> 59-139 <br /> Chicrobenzene ND 50 4602 44 33 92 89 460-133 <br /> QC Sample LCS# 1 11 19 AM <br /> Analysts Date 02/27/03 <br /> LCS RECOVERY I METHOD BLANK <br /> Sample Spike UCS %Rec QC Limits <br /> Test Result Added Spike LCS %REC <br /> I t-Dichloroethene ND 50 4781 96 59-172 <br /> MTBE ND 50 4361 87 62-137 <br /> Benzene ND 50 4800 96 62-137 <br /> Trichloroethene ND 50 4577 92 66-142 <br /> ene ND 50 4969 99 59-139 <br /> benzene ND 50 4778 96 60-133 <br /> QC Sample LCS#2 10 37 PM <br /> Analysis Date 02/27/03 <br /> LCS RECOVERY 1 METHOD BLANK <br /> Sample Spike LCS %Rec QC Limits <br /> Test Result Added I Spike LCS %REC <br /> 1 1-DEchlomethene ND 50 5056 101 59-172 <br /> MTBE ND 50 4521 90 62-137 <br /> Benzene ND 50 5041 101 62-137 <br /> Tnchloroethene ND 50 4790 96 66-142 <br /> Toluene ND 50 4991 100 59-139 <br /> Chlorobenzene ND 5046 88 94 60-133 <br /> Method Blank-All ND <br /> SURROGATE(QC Limits 70-130) <br /> Compounds DBFM 1,2-DCA Tot-d8 -BFB <br /> LCS 89 91 99 116 <br /> LCSD 88 89 97 115 <br /> BLANK#1 84 124 102 123 <br /> K#2 89 125 106 117 <br /> 1 94 80 95 120 <br /> LCS#2 91 86 97 112 <br /> 311212003 ansa rcsa--ice 02.8.2 <br />