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Accredited by <br /> US Dept of Commerce <br /> ASBESTOS TEM LABORATORIES, INC uVSy/?1Q <br /> January 29, 1993 <br /> Ms Kathleen Isaacson <br /> Levin-Fricke,Inc <br /> 1900 Powell street, 12th Fl <br /> Emeryville,CA 94608 <br /> RE LABORATORY JOB# 143-022 <br /> Polarized light microscopy analytical results for 2 bulk sample(s) <br /> Job Site MDBE-Stockton <br /> Job No 2655 <br /> Enclosed please find the bulk material analytical results for one or more samples subnutted for asbestos analysis <br /> The analyses were performed in accordance with the EPA Interum Method for the determination of asbestos in <br /> bulk insulation samples (The method states that it is designed for friable materials only However, its application <br /> to non-finable materials,such as floor tiles,is commonly performed Confirmation may be obtained by TEM <br /> analysis) <br /> Prior to analysis,samples are logged-in and all data pertinent to the sample recorded The samples are checked <br /> for damage or disruption of any chain-of-custody seals A umque laboratory ID number is assigned to each <br /> sample A hard copy log-m sheet containing all pertinent information concerning the sample is generated This <br /> and all other relevant paper work are kept with the sample throughout the analytical procedures to assure proper <br /> analysis <br /> Each sample is opened in a class 100 NEPA negative air hood A representative sampling of the material is <br /> selected and placed onto a glass nucroscope slide containing a drop of refractive index oil The glass slide is <br /> placed under a polarizing light nucroscope where standard mineralogical techniques are used to analyze and <br /> quantify the various materials present,including asbestos The data is then compiled into standard report format <br /> and subjected to a thorough quality assurance check before the information is released to the client <br /> Sincerely Yours, <br /> R MZk Bailey <br /> Registered Geologist <br /> President <br /> ---These results relate only to the samples tested and must not be reproduced,except in full,with the approval of <br /> the laboratory This report must not be used to claun product endorsement by NVLAP or any other agency of the <br /> U S Government. --- <br /> 1409 FIrrF1 STFEET - BERKELEY,CALIFORNIA 94710 - (510)528-0108 <br />