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- 1"� <br />R0HMENTAL <br />i ABORATORIES INC <br />Northwest Region <br />4080 C Pike Lane <br />Concord, CA 94520 <br />1510) 665 7852 <br />(800) 544 3422 from inside California <br />19n0l /123 7143 from ourt+de California <br />,, oma, 0/20 jrNnj <br />Argy Mena <br />Sierra Environmental Services <br />M0 : •. 4M:1 <br />Martinez, CA 94553 <br />Client Number <br />Consultant Project Number <br />Facility Number <br />Project ID <br />Work Order Number <br />SIE01CHV08 <br />1 29904 <br />90959 <br />103 W 1 1 th St Tracy CA <br />C3 06-0426 <br />July 7, 1993 <br />Enclosed please find the analytical results for samples received by GTEL Environmental <br />Laboratories, Inc on 06/23/93 <br />A formal Quality Assurance/Quality Control (QA/QC) program is maintained by GTEL, <br />which is designed to meet or exceed the EPA requirements Analytical work for this project <br />met QA/QC criteria, unless otherwise stated in the footnotes <br />GTEL is certified by the California State Department of Health Services, Laboratory certi- <br />fication number El 075, to perform analyses for drinking water, wastewater, and hazardous <br />waste materials according to EPA protocols <br />If you have any questions concerning this analysis or if we can be of further assistance, <br />please call our Customer Service Representative <br />Sincerely, <br />GTEL Environmental Laboratories, Inc <br />�v �U (_4 q�ual %__ <br />Eileen F Bullen <br />Laboratory Director <br />GTEL Concord, CA <br />C3060426 BXG <br />