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819 Sinker Ave Ste 8 <br /> Sequoia Sacramento C 95834 <br /> (916)921 <br /> 19b00 <br /> Analytical FAX(916)92! OloO <br /> www aegaoialabs cum <br /> Gettler-Ryan-Dublin Project Former Unocal 5098,Stockton,CA S302592 <br /> Reported <br /> Project Number NIA Re <br /> 6747 Sierra Court, Ste J j P <br /> Dublin CA,94568 Project Manager Deanna L Harding 03/10/03 17 17 <br /> Volatile Organic Compounds by EPA Method 8260B - Quality Control <br /> Sequoia Analytical - Sacramento <br /> Reportmg Spike Source %REC RPI) <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> Batch 3030025 -EPA 5030B JP/TJ - <br /> Blank(3030025-BLKI) Prepared&Analyzed 03/04/03 _ <br /> Surrogate Dtbromohuorontelhane 252 ug// 250 101 7013 0 4� <br /> Sur regale 1 2-DCA d4 248 250 99 70-130 <br /> Surrogate Toluene-d8 289 11250 116 70 130 <br /> Surrogate 4-BFB 251 1, 250 100 70 130 t� <br /> Laboratory Control Sample(3030025-BS]) Prepared& Analyzed 03/04/03 <br /> Benzene 23 5 050 ug/l 250 94 70-130 <br /> Chlorobenzene 248 050 1250 99 70-130 <br /> 1,1-Dichloroethene 231 050 " 250 92 70-130 <br /> Toluene 262 050 " 25 0 105 70-130 <br /> Trichloroethene 210 0 50 25 0 84 70-130 <br /> Surrogate 1,2-DCA44 23 7 250 95 60-140 <br /> Surrogate Dtbromo/lumomethane 24.5 250 98 70-130 <br /> Surrogate 12-DCA-d4 13 7 2.50 95 70 130 <br /> Surrogale Toluene-d8 281 250 112 70-130 10 <br /> Surrogate 4-BFB 259 15 U tU4 i0-1,5t) <br /> Matrix Spike(3030025-MS]) Source 5302565-02 Prepared& Analyzed 03/04/03 -- — AN <br /> Benzene 24 2 0 50--ug/1-25 0----ND 97 60-140- - <br /> Chlorobenzene 268 _ 0_50 25 0 ND 107 60-140 <br />- _1,1-Dichloraethene-- ------- -----�----=-23 0 050 25 0 ND 92� 60-140 - <br /> Toluene 281 0 50 25 0 ND 112 60-140 <br /> Trichloroethene 145 050 250 140 20 60-140 QM-4X <br /> Sur rugate 1,2-DCA d4 254 " 250 102 60-140 I <br /> Surrogate DibromoJluoromethmie - 242 250 97 70-130 - - - <br /> Surrogate 11-DCA-d4 254 250 101 70 130 <br /> Surrogate Toluene-d8 271 250 109 70 130 <br /> Surrogate 4 BFB 257 250 103 70-130 <br /> Sequoia Analytical - Sacramento The r esulrs in this t epos t apply to the samples anaIjacd in accordance with the chain o <br /> custody document Unless otherwise stated t esulrs are reported on a wet weight basis <br /> This analytical i eport must be reproduced in its entirety <br /> Page 112 of 126 <br /> F <br />