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i <br /> \��a �Iy ACCpgOgy <br /> �p T10 MEMBER <br /> Lfeifstone tjir-_ <br /> LABORATORIES, INC a WON <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 Dissolved Metals-Quality Control <br /> Keystone Laboratories, Inc. - Newton <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Lunit Notes <br />,Batch 1K43017-Dissolved Metal Pre <br /> Blank(1K43017-BLKI) Prepared&Analyzed 11/30/04 <br />'Arsenic dissolved ND 0 005 mg/l <br /> Calibration Check(IK43017-CCVI) Prepared&Analyzed 11/30/04 <br /> Arsenic,dissolved 00254 mg/1 00250 102 90-1 10 <br /> calibration Check(IK43017-CCV2) Prepared&Analyzed 11/30/04 <br /> rsenic,dissolved 00245 mg11 00250 980 85-115 <br /> Matrix Spike(1K43017-MS1) Source 14KI101-01 Prepared&Analyzed 11/30/04 <br /> rsemc,dissolved 00513 0 010 mg/l 00250 0 032 772 67-132 <br /> Matrix Spike Dup(1K43017-MSD1) Source 14KI101-01 Prepared&Analyzed 11/30/04 <br /> Wic dissolved 00528 0 010 mg/1 00250 0 032 832 67432 288 13 <br /> Spike(1K43017-PSI) Source 14KII01-01 Prepared&Analyzed 11/30/04 <br /> Arsenic dissolved 00534 Mg/1 00250 00320 856 65-136 <br /> eference(1K43017-SRM1) Prepared&Analyzed 11/30/04 <br /> BlArsenic dissolved 000560 0 005 mg/l 000500 112 80-120 <br />=Batch I L40118- EPA 7470A Ug Water <br /> lank(1L40118-BLKI) Prepared&Analyzed I2/0I/04 <br /> Mercury dissolved ND 000050 ing/1 <br /> CS(1L40118-BSI) Prepared&Analyzed 12/01/04 <br /> ercury,dissolved 000175 000050 mg/1 000200 875 60-126 <br /> Keystone Laboratories, Inc -Newton The results in this report apply to the samples analyzed in accordance with the chain of <br /> custody document 77its analytical report must be reproduced in its entirely <br /> Jeffrey Kung, Ph D, Laboratory Director Page 18 of 23 <br /> Phone 641-792-8451 600 East 17th Street South Fax 641-792-7989 <br /> Newton, IA 50208 <br />