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EXCELCHEM <br /> ENVIRONMENTAL LABS <br /> 500 Giuseppe Court, Suite 9 <br /> Roseville, CA 95678 <br /> Phone#: (916) 773-3664 Fax#: (916) 773-4784 <br /> 1 !QA/OC REPORT <br /> Attention: Mr. Patrick Fischer Date Analyzed: 11-04-96 <br /> ESPANA GEOTECHNICAL Matrix: Soil <br /> 502 Giuseppe Court, Suite 11 <br /> 1 Roseville, CA 95678 <br /> Project : E16S-11Lodi Rail/Multimodal Station <br /> MS/MSD RECOVERIES Unit=u 1L <br /> 1 EPA Sample Spike <br /> MS% MSD% % <br /> Element Method Cone. Cone. MS Recovery 0.5 <br /> 1� 9 % RPD <br /> Cd 7130 ND 0.5 0.5 93% <br /> Cr 7190 ND 1 1.1 107% 1.0 99% 7% <br /> Pb 7420 ND 1 1.0 104% 1.6 158% 41% <br /> a <br /> Ni 7520 ND 1 1.0 96% 0.9 93% 3% <br /> Zn 7950 ND 0.8 i.1 132% 0.8 100% 28% <br /> Samples were extracted using Title 22,WET. <br /> ppb-parts per billion-ug/L.-micrograms per liter. <br /> ND -Not detected. Compound(s)may be present at concentrations below the reporting limit. <br /> ' 11-11-96 <br /> eoratoryepresentative Date Reported <br /> i <br /> 1 <br /> 1 <br /> EXCELCHEM ENV1RONN•ES'rAL LABS IS CERTIFIED BYTHE STATE OF CALIFORNIA <br /> DEPARTMENT OF HEALTH SMICES AS A HAL ADOUS WASTE TESTING LABORATOAY <br /> (Ca tficeb n No.1760) <br /> 1 ' <br />