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<br /> <br />October 10, 2017 <br /> <br /> <br />Attn: TL Erickson Enterprises <br /> <br />Project Location: 701 8th Avenue NW <br /> New Brighton, MN <br /> <br /> <br /> <br />Client Job #: n/a <br /> <br />Techtron Project #: 2004 Analyzed by: JK <br />Date samples submitted: 10/9/17 Date samples analyzed: 10/9/17 <br />Number of samples submitted: 41 Number of samples analyzed: 42 <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 <br />were observed at 30X and suspect fibers were picked from the bulk samples and observed under <br />polarized light microscopy. The fibers were then evaluated under crossed polars for extinction angle, <br />sign of elongation, and morphology. Dispersion staining techniques using different Cargille liquids <br />and observing colors at two different orientations of the crystal were then performed. <br /> <br />Analysis was performed according to EPA method 600/R-93/116. This method detects asbestos in <br />volumetric concentrations of 1% or greater. Bulk samples were checked for the following types of <br />asbestiform minerals: chrysotile, amosite, crocidolite, anthophyllite, and tremolite-actinolite. <br /> <br /> <br /> <br /> <br />Laboratory Manager, <br /> <br /> <br />Michael Bodnar <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />