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<br />Page 1 of 2 <br /> <br />July 30, 2020 <br /> <br /> <br />Attn: TL Erickson Enterprises <br /> <br />Project Location: 1225 Shoreline Drive, Orono, MN <br /> <br />Client Project #: <br /> <br />Techtron Project #: 13178 Analyzed by: Joshua Kranz <br />Date Samples Submitted: 7/29/2020 Date Samples Analyzed: 7/30/2020 <br />Number of Samples Analyzed: 7 <br /> <br /> <br /> <br />Test Report: Asbestos Bulk Materials Identification by PLM <br /> <br />Following are the results of material samples obtained for asbestos identification analysis. Samples were <br />observed at 42X magnification and suspect fibers were isolated from the bulk samples for observation <br />under polarized light microscopy. The fibers were then evaluated under polarized light microscopy for <br />extinction angle, sign of elongation, and morphology. Dispersion staining was performed using Cargille <br />dispersion oils to observe color changes of fibers at various orientations. <br /> <br />Analysis was performed according to EPA method 600/R-93/116. This method has a reporting limit to <br /><1% asbestos, in volumetric concentrations. Bulk samples were checked for the following types of <br />asbestiform minerals: chrysotile, amosite, crocidolite, anthophyllite, and tremolite-actinolite. <br /> <br />All sample details and results are listed in the table below. <br /> <br />Laboratory Manager, <br /> <br /> <br /> <br />Joshua Kranz