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`��� t lS ACC 0 RQgy <br /> stone 4a of MEMBER <br />� LfeyU <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 /> Reportmg Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Lunit Notes <br /> etch I L40709-EPA 5030B <br /> Blank(1L40709-BLKI) Prepared 12/06/04 Analyzed 12/07/04 <br /> 9Chloropropane ND to ugll <br /> -Chloropropane ND 10 <br /> trans-1,2-Dichloroethylene ND 10 " <br /> t'-rl2-Dichloroethylene ND 10 " <br /> hloroethylene ND 10 <br /> l-Dichloropropane ND 10 <br /> Tetrachloroethylene ND to " <br /> 1,2,3-Tnchloropropane ND to " <br /> arrogate Dibromofluoromethane 4902 5000 980 81-122 <br /> Surrogate 1 2-Dichloroethane-d4 4444 5000 889 76-121 <br /> llll�agate Toluene-d8 5009 5000 100 79-121 <br /> ate 4-Bromofluorabenzene 4901 5000 980 82-122 <br /> LCS(IL40709-BSI) Prepared&Analyzed 12/06/04 <br /> -Chloropropane 1195 1 0 ug/1 9840 121 70-130 <br /> -Chloropropane 1362 l 0 ;' 1060 128 70-130 <br /> ns 12-Dichloroethylene 4743 t 0 50 t0 947 70-130 <br /> cis-1,2-Dichloroethylene 4867 1 0 5000 973 70-130 <br /> arrichloroethylene 4939 1 0 50 10 986 80-124 <br /> 1,2-Dichloropropane 4785 10 50 t0 95 5 70-130 <br /> Tetrachloroethylene 5025 10 5000 t00 81-120 <br /> 1,2,3-Trichloroprepane 4817 10 5010 961 70-130 <br /> arrogate Dibromofluaromethane 4994 5000 999 81-122 <br /> rogate 1 2-Dichloroethane-d4 50 71 50 00 101 76-121 <br /> Sur <br /> Surrogate Toluene-d8 4919 5000 984 79-121 <br /> Calibration <br /> rrogate 4-Bromofluorobenzene 5022 5000 100 82-122 <br /> Check(1IA0709-CCVI) Prepared&Analyzed 12/06/04 <br /> trans-l,2-Dichloroethylene 4890 ug/l 5000 978 70-130 <br /> 1IV-1,2-Dichloroethylene 4790 5000 95 8 70-130 <br /> Pnchloroethylene 4850 ,e 5000 970 70-130 <br /> 1,2-Dichloropropane 4789 5000 95 8 70430 <br /> Tetrachloroethylene 47 81 �50 00 95670-130,2,3-Tnchloropropane 4878 0097 6 70-130arrogateDtbrmoflaorometharre 4993 00 999 <br /> 81-122 <br /> Surrogate 1 2-Dichloroethane-d4 4990 5000 998 76-121 <br /> stone Laboratories, Inc -Newton The results to this report apply to the samples analyzed to accordance with the chain of <br /> custody document This analytical report must be reproduced to its entirety <br />'JeffTey King,Ph D,Laboratory Director -_ Page 7 of 23 <br /> Phone 641-792-8451 600 East 17th Street South Fax 641-792-7989 <br /> Newton, IA 50208 <br />