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Page 1 of 2 <br /> <br />June 3, 2019 <br /> <br /> <br />Attn: TL Erickson Enterprise <br /> <br />Project Location: 701 8th Avenue NW, New Brighten, MN <br /> <br />Client Project #: <br /> <br />Techtron Project #: 8686 Analyzed by: Joshua Kranz <br />Date Samples Submitted: 6/3/2019 Date Samples Analyzed: 6/3/2019 <br />Number of Samples Analyzed: 5 <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. Cargille dispersion liquids were used to observe <br />color changes of asbestos fibers at varying orientations while performing dispersion staining techniques. <br /> <br />Analysis was performed according to EPA method 600/R-93/116. This method’s detection range of <br />asbestos is <1% or greater, in volumetric concentrations. Bulk samples were checked for the following <br />types of 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 />Joshua Kranz