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\��O �g ACCORpgy i <br /> Lfeystone " �F MEMBER_4_; <br /> LABORATORIES, INC, d � <br /> GeoSyntec-Oakland Project Western Farm Service-Vernalis <br /> 475 14th Street,Suite 450 Project Number [none] Reported <br /> Oakland CA,94612 Project Manager Susan Skoe 12/10/04 08 59 <br /> Determination of Volatile Organic Compounds-Quality Control <br /> Keystone Laboratories, Inc. - Newton <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> etch IL40709-EPA 5030B <br /> Calibration Check(1IA0709-CCVI) Prepared&Analyzed 12/06/04 <br /> turrogate Toluene-d8 4990 u9/1 5000 998 79-121 <br /> urrogate 4-Bromofluorobenzene 4998 5000 100 82-122 <br /> Matrix Spike(1140709-MSI) Source 14K1088-01 Prepared&Analyzed 12/06/04 <br /> t-Chloropropane 1108 100 ug/I 9840 ND 113 70-130 <br /> -Chloropropane 1276 100 1060 ND 120 70-130 <br /> trans-l,2-Dichloroethylene 4973 100 5010 ND 993 70-130 <br /> is- <br /> s l 2-❑ichloroethylene S09 3 10 0 " 500 0 ND 102 70-L3D <br /> richlorocthylene S l0 6 100 5010 ND 102 70-130 <br /> 1 2-Dichloroprepane 5083 100 5010 ND 101 70-130 <br /> Tetrachloroethylene 513 8 100 5000 ND 103 70-130 <br /> Mdh <br /> Tnchloropropane 5089 100 5010 ND 102 70-130 <br /> IFWgate Dibromofluoramethane 4990 5000 998 81-122 <br /> Surrogate 12-Dichloroeihane-d4 4979 5000 996 76-121 <br /> urrogate Toluene-8 4943 5000 989 79-121 <br /> urrogate 4-8romofluorobenzene 4843 5000 969 82-122 <br /> Matrix Spike Dup(1LA0709-MSD1) Source 14KI088-01 Prepared&Analyzed 12/06/04 <br /> 1-Chloropropane 1160 100 ug/I 9840 ND 118 70-130 459 20 <br /> Chloropropane 1324 100 ^ 1060 ND 125 70-130 369 20 <br /> tans-1,2-Dichloroethylene 4914 too 501 0 ND 98 1 70-130 1 19 20 <br /> cis-1 2-Dichloroethylene 4966 100 5000 ND 993 70-130 253 20 <br /> Frichloroethylene 5022 100 5010 ND t00 70-130 166 20 <br /> ,,2-Dichloropropane 4934 100 5010 ND 985 70-130 297 20 <br /> Tetrachloroethylene 503 7 100 5000 ND 101 70-130 199 20 <br /> 1 2 3-Trichloropropane 5078 100 5010 ND 101 70-130 0 216 20 <br /> turrogate Dtbromofluoromethane 5009 5000 100 81-122 <br /> urrogate 1 2-Dichloroethane-d4 5072 5000 101 76-121 <br /> Surrogate Toluene-d8 4948 5000 990 79-121 <br /> urrogate 4-Bromofluorobenzene 4952 5000 990 82-122 <br /> li <br /> I <br /> stone Laboratorles, Inc -Newton The results to this report apply to the samples analyzed in accordance with the chain of <br /> custody document Thu analytical report must be reproduced in its entirety <br /> Jeffrey King, Ph D , Laboratory Director Page 8 of 23 <br /> Phone 641-792-8451 600 East 17th Street South Fax 641-792-7989 <br /> Newton, IA 50208 <br />