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3618 Shore Avenue • <br /> Everett,WA 98203 <br /> Project Number:2019-0520 <br /> 3.0 LABORATORY INFORMATION <br /> Laboratory Analysis: Asbestos <br /> In accordance with 40 CFR Chapter 1 (7-01-07 Edition) Part 763, Subpart E, Appendix E, asbestos <br /> samples are analyzed at NVL Labs using polarized light microscopy (PLM) with dispersion staining. If <br /> samples are not homogeneous, then sub-samples of the components are analyzed separately. All bulk <br /> samples are analyzed using EPA Method 600/R-93/116 with the following measurement uncertainties <br /> for reported % asbestos: 1%=0-3%, 5%_>1-9%, 10%=5-15%, 20%=10-30%, 50%=40-60%. Only <br /> materials containing more than 1% total asbestos were classified as "asbestos-containing" based on <br /> EPA, state, and local regulations. <br /> Findings for samples containing more than one separable layer of materials are reported for each layer, <br /> The asbestos concentration in the sample is determined by visual estimation. <br /> NVL Labs is accredited by the National Institute of Standards and Technology(NIST)under the National <br /> Volunteer Laboratory Accreditation Program (NVLAP) program for bulk asbestos fiber analysis; NVLAP <br /> Lab Code 102063-0 <br /> Laboratory Accreditation <br /> Professional accreditations for NVL Laboratories, Inc. include the following: <br /> NVL Laboratories, Inc. is currently accredited by the National Institute of Standards and Technology <br /> (NIST) under the National Volunteer Laboratory Accreditation Program (NVLAP) program for bulk <br /> asbestos fiber analysis. <br /> NVLAP Lab Code 102063-0 <br /> NVL Laboratories, Inc. is approved by the American Industrial Hygiene Association (AIHA) Asbestos <br /> Analysts Registry (AAR) program for airborne asbestos fiber analysis. <br /> AAR Counter ID 7412 <br /> NVL Laboratories, Inc. is currently accredited by the American Industrial Hygiene Association (AIHA) <br /> under the Industrial Hygiene Laboratory Accreditation Program (IHLAP). The IHLAP program is <br /> designed specifically for laboratories involved in analyzing samples to evaluate workplace exposure. <br /> IHLAP Certification Number 563 <br /> NVL Laboratories, Inc. <br /> 4708 Aurora Ave N <br /> Seattle,WA 98199 <br /> Phone(206)547-0100•Fax(206)634-1936 6 <br />